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Brink SM, Wortelboer HM, Hoff AFT, Emmelot CH, Visscher TLS, van Wietmarschen HA. Two-Year Results of a Five-Year Personalized Integrative Obesity Coaching Program (IBO) Based upon a Systems Health Perspective and an Evolutionary Longitudinal Study Approach. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:807. [PMID: 38929053 PMCID: PMC11203432 DOI: 10.3390/ijerph21060807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/13/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024]
Abstract
This study presents the outcomes of a 5-year personalized integrative coaching program for adults with obesity (body mass index BMI ≥ 30 kg/m2), based upon a systems health perspective, during the first 2 years. This longitudinal study, which had an evolutionary design, included all adults who enrolled in the program. Health-related quality of life (HRQoL) was measured with the Short Form-36 (SF-36), and physical outcomes included weight, waist circumference, aerobic capacity, lipid profile, and HbA1c. Subsequently, participants completed questionnaires (e.g., the Symptom Checlist-90 (SCL-90) and the Checklist Individual Strength (CIS)). Seventy-nine adults with a mean BMI of 39.5 kg/m2 (SD 5.3) were included. Forty-four participants completed 2 years in the program. Compared to baseline, there were significant improvements in the SF-36 subscales 'physical functioning' (MD 9.9 points, 95% CI: 2.1-17.5, p = 0.013) and 'general health perceptions' (MD 9.3 points, 95% CI 2.9-15.7, p = 0.006). Furthermore, significant improvements in physical outcomes and psychosocial questionnaires (e.g., weight loss (MD 3.5 kg, 95% CI: 1.2-5.7, p = 0.003), waist circumference (MD 5.1 cm, 95% CI: 2.4-7.8, p < 0.001), and CIS fatigue (MD 6.8, 95% CI: 3.1-10.5, p = 0.001) were observed. This study highlights the importance of a systems health perspective supporting the development of a personalized integrative coaching program for adults with obesity in a 'real-world' setting.
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Affiliation(s)
- Sander M. Brink
- Vogellanden, Center of Rehabilitation Medicine & Special Dentistry, 8001 BB Zwolle, The Netherlands; (A.F.t.H.); (C.H.E.)
| | - Heleen M. Wortelboer
- The Netherlands Organization for Applied Scientific Research (TNO), Department Work Health and Technology, 2333 BE Leiden, The Netherlands;
| | - Ard F. ten Hoff
- Vogellanden, Center of Rehabilitation Medicine & Special Dentistry, 8001 BB Zwolle, The Netherlands; (A.F.t.H.); (C.H.E.)
| | - Cornelis H. Emmelot
- Vogellanden, Center of Rehabilitation Medicine & Special Dentistry, 8001 BB Zwolle, The Netherlands; (A.F.t.H.); (C.H.E.)
| | - Tommy L. S. Visscher
- Knowledge Centre Societal Innovations, Windesheim University of Applied Sciences, 1315 RC Almere, The Netherlands;
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Al-Abdullah L, Ahern A, Welsh P, Logue J. A predictive model for medium-term weight loss response in people with type 2 diabetes engaging in behavioural weight management interventions. Diabetes Obes Metab 2024. [PMID: 38874091 DOI: 10.1111/dom.15706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 06/15/2024]
Abstract
AIMS To develop and evaluate prediction models for medium-term weight loss response in behavioural weight management programmes. MATERIALS AND METHODS We conducted three longitudinal analyses using the Action for HEalth in Diabetes (LookAHEAD) trial, Weight loss Referrals for Adults in Primary care (WRAP) trial, and routine data from the National Health Service Greater Glasgow and Clyde Weight Management Service (NHS-GGCWMS). We investigated predictors of medium-term weight loss (>5% body weight) over 3 years in NHS-GGCWMS and, separately, predictors of weight loss response in LookAHEAD over 4 years. We validated predictors in both studies using WRAP over 5 years. Predictors of interest included demographic and clinical variables, early weight change in-programme (first 4 weeks) and overall in-programme weight change. RESULTS In LookAHEAD and WRAP the only baseline variables consistently associated with weight loss response were female sex and older age. Of 1152 participants in NHS-GGCWMS (mean age 57.8 years, 60% female, type 2 diabetes diagnosed for a median of 5.3 years), 139 lost weight over 3 years (12%). The strongest predictor of weight loss response was early weight change (odds ratio 2.22, 95% confidence interval 1.92-2.56) per 1% weight loss. Losing 0.5% weight in the first 4 weeks predicted medium-term weight loss (sensitivity 89.9%, specificity 49.5%, negative predictive value 97.3%). Overall in-programme weight change was also associated with weight loss response over 3 years in NHS-GGCWMS and over 5 years in WRAP. CONCLUSIONS Not attaining a weight loss threshold of 0.5% early in weight management programmes may identify participants who would benefit from alternative interventions.
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Affiliation(s)
- Lulwa Al-Abdullah
- School of Cardiovascular and Metabolic Health, University of Glasgow, BHF Glasgow Cardiovascular Research Centre, Glasgow, UK
- Department of Population Health, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Amy Ahern
- MRC Epidemiology Unit, University of Cambridge School of Clinical Medicine, Institute of Metabolic Science, Cambridge Biomedical Campus, Cambridge, UK
| | - Paul Welsh
- School of Cardiovascular and Metabolic Health, University of Glasgow, BHF Glasgow Cardiovascular Research Centre, Glasgow, UK
| | - Jennifer Logue
- Lancaster Medical School, University of Lancaster, Lancaster, UK
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Neri LDCL, Mariotti F, Guglielmetti M, Fiorini S, Tagliabue A, Ferraris C. Dropout in cognitive behavioral treatment in adults living with overweight and obesity: a systematic review. Front Nutr 2024; 11:1250683. [PMID: 38784136 PMCID: PMC11111870 DOI: 10.3389/fnut.2024.1250683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 04/26/2024] [Indexed: 05/25/2024] Open
Abstract
Obesity is a chronic, complex, and multifactorial disease resulting from the interaction of genetic, environmental, and behavioral factors. It is characterized by excessive fat accumulation in adipose tissue, which damages health and deteriorates the quality of life. Although dietary treatment can significantly improve health, high attrition is a common problem in weight loss interventions with serious consequences for weight loss management and frustration. The strategy used to improve compliance has been combining dietary prescriptions and recommendations for physical activity with cognitive behavioral treatment (CBT) for weight management. This systematic review determined the dropout rate and predictive factors associated with dropout from CBT for adults with overweight and obesity. The data from the 37 articles selected shows an overall dropout rate between 5 and 62%. The predictive factors associated with attrition can be distinguished by demographics (younger age, educational status, unemployed status, and ethnicity) and psychological variables (greater expected 1-year Body Mass Index loss, previous weight loss attempts, perceiving more stress with dieting, weight and shape concerns, body image dissatisfaction, higher stress, anxiety, and depression). Common reasons for dropping out were objective (i.e., long-term sickness, acute illness, and pregnancy), logistical, poor job conditions or job difficulties, low level of organization, dissatisfaction with the initial results, lack of motivation, and lack of adherence. According to the Mixed Methods Appraisal quality analysis, 13.5% of articles were classified as five stars, and none received the lowest quality grade (1 star). The majority of articles were classified as 4 stars (46%). At least 50% of the selected articles exhibited a high risk of bias. The domain characterized by a higher level of bias was that of randomization, with more than 60% of the articles having a high risk of bias. The high risk of bias in these articles can probably depend on the type of study design, which, in most cases, was observational and non-randomized. These findings demonstrate that CBT could be a promising approach for obesity treatment, achieving, in most cases, lower dropout rates than other non-behavioral interventions. However, more studies should be conducted to compare obesity treatment strategies, as there is heterogeneity in the dropout assessment and the population studied. Ultimately, gaining a deeper understanding of the comparative effectiveness of these treatment strategies is of great value to patients, clinicians, and healthcare policymakers. Systematic review registration: PROSPERO 2022 CRD42022369995 Available from: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022369995.
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Affiliation(s)
- Lenycia de Cassya Lopes Neri
- Human Nutrition and Eating Disorder Research Center, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Francesca Mariotti
- Laboratory of Food Education and Sport Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Monica Guglielmetti
- Human Nutrition and Eating Disorder Research Center, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Laboratory of Food Education and Sport Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Simona Fiorini
- Human Nutrition and Eating Disorder Research Center, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Laboratory of Food Education and Sport Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Anna Tagliabue
- Human Nutrition and Eating Disorder Research Center, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Cinzia Ferraris
- Human Nutrition and Eating Disorder Research Center, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Laboratory of Food Education and Sport Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
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Chew HSJ, Chew NW, Loong SSE, Lim SL, Tam WSW, Chin YH, Chao AM, Dimitriadis GK, Gao Y, So JBY, Shabbir A, Ngiam KY. Effectiveness of an Artificial Intelligence-Assisted App for Improving Eating Behaviors: Mixed Methods Evaluation. J Med Internet Res 2024; 26:e46036. [PMID: 38713909 PMCID: PMC11109864 DOI: 10.2196/46036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 12/12/2023] [Accepted: 03/12/2024] [Indexed: 05/09/2024] Open
Abstract
BACKGROUND A plethora of weight management apps are available, but many individuals, especially those living with overweight and obesity, still struggle to achieve adequate weight loss. An emerging area in weight management is the support for one's self-regulation over momentary eating impulses. OBJECTIVE This study aims to examine the feasibility and effectiveness of a novel artificial intelligence-assisted weight management app in improving eating behaviors in a Southeast Asian cohort. METHODS A single-group pretest-posttest study was conducted. Participants completed the 1-week run-in period of a 12-week app-based weight management program called the Eating Trigger-Response Inhibition Program (eTRIP). This self-monitoring system was built upon 3 main components, namely, (1) chatbot-based check-ins on eating lapse triggers, (2) food-based computer vision image recognition (system built based on local food items), and (3) automated time-based nudges and meal stopwatch. At every mealtime, participants were prompted to take a picture of their food items, which were identified by a computer vision image recognition technology, thereby triggering a set of chatbot-initiated questions on eating triggers such as who the users were eating with. Paired 2-sided t tests were used to compare the differences in the psychobehavioral constructs before and after the 7-day program, including overeating habits, snacking habits, consideration of future consequences, self-regulation of eating behaviors, anxiety, depression, and physical activity. Qualitative feedback were analyzed by content analysis according to 4 steps, namely, decontextualization, recontextualization, categorization, and compilation. RESULTS The mean age, self-reported BMI, and waist circumference of the participants were 31.25 (SD 9.98) years, 28.86 (SD 7.02) kg/m2, and 92.60 (SD 18.24) cm, respectively. There were significant improvements in all the 7 psychobehavioral constructs, except for anxiety. After adjusting for multiple comparisons, statistically significant improvements were found for overeating habits (mean -0.32, SD 1.16; P<.001), snacking habits (mean -0.22, SD 1.12; P<.002), self-regulation of eating behavior (mean 0.08, SD 0.49; P=.007), depression (mean -0.12, SD 0.74; P=.007), and physical activity (mean 1288.60, SD 3055.20 metabolic equivalent task-min/day; P<.001). Forty-one participants reported skipping at least 1 meal (ie, breakfast, lunch, or dinner), summing to 578 (67.1%) of the 862 meals skipped. Of the 230 participants, 80 (34.8%) provided textual feedback that indicated satisfactory user experience with eTRIP. Four themes emerged, namely, (1) becoming more mindful of self-monitoring, (2) personalized reminders with prompts and chatbot, (3) food logging with image recognition, and (4) engaging with a simple, easy, and appealing user interface. The attrition rate was 8.4% (21/251). CONCLUSIONS eTRIP is a feasible and effective weight management program to be tested in a larger population for its effectiveness and sustainability as a personalized weight management program for people with overweight and obesity. TRIAL REGISTRATION ClinicalTrials.gov NCT04833803; https://classic.clinicaltrials.gov/ct2/show/NCT04833803.
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Affiliation(s)
- Han Shi Jocelyn Chew
- Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Nicholas Ws Chew
- Department of Cardiology, National University Hospital, Singapore, Singapore
| | - Shaun Seh Ern Loong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Su Lin Lim
- Department of Dietetics, National University Hospital, Singapore, Singapore
| | - Wai San Wilson Tam
- Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yip Han Chin
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Ariana M Chao
- School of Nursing, Johns Hopkins University, Baltimore, MD, United States
| | - Georgios K Dimitriadis
- Department of Endocrinology ASO/EASO COM, King's College Hospital NHS Foundation Trust, London, United Kingdom
| | - Yujia Gao
- Division of Hepatobiliary & Pancreatic Surgery, Department of Surgery, National University Hospital, Singapore, Singapore
| | - Jimmy Bok Yan So
- Division of General Surgery (Upper Gastrointestinal Surgery), Department of Surgery, National University Hospital, Singapore, Singapore
| | - Asim Shabbir
- Division of General Surgery (Upper Gastrointestinal Surgery), Department of Surgery, National University Hospital, Singapore, Singapore
| | - Kee Yuan Ngiam
- Division of Thyroid & Endocrine Surgery, Department of Surgery, National University Hospital, Singapore, Singapore
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Coleman CD, Kiel JR, Guarneiri LL, Bell M, Wilcox ML, Maki KC, Unick JL, Jonnalagadda SS. Importance of early weight loss and other predictors of lower weight loss in a commercial program: A secondary data analysis. Obes Sci Pract 2024; 10:e724. [PMID: 38263985 PMCID: PMC10804349 DOI: 10.1002/osp4.724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/30/2023] [Accepted: 11/08/2023] [Indexed: 01/25/2024] Open
Abstract
Objective There is substantial inter-individual variability in response to weight loss interventions and emerging evidence suggests that weight loss during the early weeks of an intervention may be predictive of longer-term weight loss. This secondary analysis of data from a commercial program therefore examined 1) the associations between early weight loss (i.e., week 4) with final visit weight loss and duration on the program, and 2) other predictors of lower weight loss at final visit. Methods Client charts of adults with overweight or obesity (N = 748) were analyzed. Clients were stratified into categories of weight loss at the week 4 (< and ≥2%, 3% and 4%) and final visits (< and ≥5% and 10%). Multivariate logistic regression was used to assess predictors of <5% and <10% final visit weight loss. Results The odds ratios for losing <5% or <10% of weight at the final visit were higher (49.0 (95% CI: 13.84, 173.63) and 20.1 (95% CI: 6.96, 58.06)) for clients who lost <2% or <3% compared to those who lost ≥2% or ≥3% at week 4. Other predictors of not losing a clinically relevant amount of weight included female sex, use of higher calorie meal plans and shorter time in the program, among others. Those who lost ≥2% at week 4 also had a significantly greater percent program completion (109.2 ± 75.2% vs. 82.3 ± 82.4, p < 0.01) compared with those who did not meet the 2% threshold. Conclusions Lower 4-week weight loss was identified as a strong predictor of not losing a clinically relevant amount of weight. These results may be useful for the early identification of individuals who can be targeted for additional counseling and support to aid in attaining weight loss goals.
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Affiliation(s)
| | - Jessica R Kiel
- Department of Scientific and Clinical Affairs Medifast, Inc. Baltimore Maryland USA
| | | | | | | | - Kevin C Maki
- Midwest Biomedical Research Addison Illinois USA
- Indiana University Department of Applied Health Science School of Public Health-Bloomington Bloomington Indiana USA
| | - Jessica L Unick
- The Miriam Hospital's Weight Control and Diabetes Research Center Warren Alpert Medical School at Brown University Providence Rhode Island USA
| | - Satya S Jonnalagadda
- Department of Scientific and Clinical Affairs Medifast, Inc. Baltimore Maryland USA
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Unick JL, Pellegrini CA, Dunsiger SI, Demos KE, Thomas JG, Bond DS, Webster J, Wing RR. Characterization of early non-responders within behavioral weight loss treatment. Am J Health Behav 2024; 48:1-8. [PMID: 38948155 PMCID: PMC11213563 DOI: 10.5993/ajhb.48.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Objective Given that low early (4 weeks) weight loss (WL) predicts longer-term WL, the purpose of this study was to identify factors associated with poor early WL. Methods 438 adults with overweight/obesity participating in an Internet-delivered behavioral WL program provided weights at baseline and 4 weeks. Participants were stratified by percent WL at 4 weeks: LOW: <2% WL, MEDIUM: 2 to <4% WL, HIGH: ≥4% WL and groups were compared on baseline variables (demographics, physical activity, and psychosocial measures) and 4-week intervention adherence. Results 37.4%, 40.9%, and 21.7% of participants had LOW, MEDIUM, and HIGH early WL respectively. LOW was more likely to be female compared to HIGH and less likely to be non-Hispanic White compared to MEDIUM and HIGH (p's<0.05). After controlling for demographic differences, LOW had lower baseline physical activity compared to HIGH and watched fewer video lessons, self-monitored calorie intake and weight on fewer days, and were less likely to achieve the exercise goal compared to MEDIUM and HIGH (p's<0.05). Conclusion Findings can inform future adaptive interventions which tailor treatment based upon early WL to improve WL outcomes for more individuals.
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Affiliation(s)
- Jessica L Unick
- Warren Alpert Medical School at Brown University and The Miriam Hospital's Weight Control and Diabetes Research Center, Providence, RI, United States
| | - Christine A Pellegrini
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia SC, United States
| | - Shira I Dunsiger
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States
| | - Kathryn E Demos
- Warren Alpert Medical School at Brown University and The Miriam Hospital's Weight Control and Diabetes Research Center, Providence, RI, United States
| | - J Graham Thomas
- Warren Alpert Medical School at Brown University and The Miriam Hospital's Weight Control and Diabetes Research Center, Providence, RI, United States
| | - Dale S Bond
- Hartford Hospital, Hartford, CT, United States
| | - Jennifer Webster
- The Miriam Hospital's Weight Control and Diabetes Research Center, Providence, RI
| | - Rena R Wing
- Warren Alpert Medical School at Brown University and The Miriam Hospital's Weight Control and Diabetes Research Center, Providence, RI, United States
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Bukhari AS, Knowles WL, Reagan JJ, Schwartz JA, Lindberg TJ, Hough HL, Wagaman LM, Young KL, Harward JB, Feeney KA, Weinstein JL. Evidence-Based Strategies to Enhance Weight Management Programs for Adult Military Beneficiaries: A Narrative Review. Mil Med 2023; 188:215-224. [PMID: 37948205 DOI: 10.1093/milmed/usad092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/28/2023] [Accepted: 03/20/2023] [Indexed: 11/12/2023] Open
Abstract
INTRODUCTION Overweight and obesity trends are on the rise among both civilian and military beneficiaries. The purpose of this narrative review was to evaluate nutrition, behavioral, lifestyle, pharmacotherapy, and alternative approaches to weight management (WM) among adults with a focus toward identifying gaps and evidence-based strategies that could support or enhance current and future WM programming among military adult beneficiaries. MATERIALS AND METHODS A trained research team identified publications (January 2013-January 2020) for abstract review using key search terms and inclusion criteria. Two independent researchers conducted both the abstract review and full-paper bias scoring using selected Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria. All eligible studies were assessed for bias and categorized based on key themes. The study was registered in PROSPERO, the international prospective register of systematic reviews. RESULTS The research team identified 741 articles, with 278 meeting final inclusion criteria. The mean bias score was 7.5 ± 3.9 (score of 0-13; higher indicating fewer bias factors), with 64% scoring ≥9. Factors contributing to low bias included intervention compliance, dropout rate, and inability to blind participants. The most common published weight-loss interventions included a combination of therapies (59%), diet/supplement (17%), other approaches (12%), behavior change (7%), and exercise (6%). Themes identified to improve WM outcomes included leveraging technology, increasing intervention interactions, community support, emphasis on early weight loss, pharmacotherapy risk-benefit, enhanced behavioral component, resistance exercise, mindfulness, and benefits of quality-of-life measures. CONCLUSIONS Reviewers identified several validated tools and techniques to augment and update existing WM programming to improve health and weight outcomes. The review affirmed use of individualized dietary patterns and not a "one-size-fits-all approach" as well as incorporating more comprehensive and team-approached treatments to make the best use of tools and strategies to enhance outcomes.
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Affiliation(s)
- Asma S Bukhari
- US Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | | | - Joanna J Reagan
- Health Promotion & Wellness Directorate, Defense Centers Public Health-Aberdeen, APG, MD 21010, USA
| | - Julie A Schwartz
- USAF Healthcare to Health, 6th Medical Group, MacDill AFB, Tampa FL 33621, USA
| | - Tammy J Lindberg
- Air Force Services Center, Joint Base San Antonio Lackland-Kelly AFB, TX 78236, USA
| | | | - Lisa M Wagaman
- USAF David Grant Medical Center, Travis AFB, CA 94535, USA
| | | | - Jennifer B Harward
- 341st Operational Medical Readiness Squadron, Malmstrom AFB, MT 59402, USA
| | - Kimberly A Feeney
- USAF Special Warfare Human Performance Squadron OL-B, Pope Army Airfield, NC 28308, USA
| | - James L Weinstein
- United States Air Force, Biomedical Sciences Corps, Wright-Patterson Air Force Base, OH 94535, USA
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Everitt JD, Battista-Dowds EM, Heggs D, Hewlett P, Squire ALM. Determinants of completion and early dropout in an adult weight management service: a prospective observational study. J Hum Nutr Diet 2023; 36:1931-1941. [PMID: 37357716 DOI: 10.1111/jhn.13196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/05/2023] [Indexed: 06/27/2023]
Abstract
BACKGROUND High attrition rates in weight management interventions (WMIs) undermine their effectiveness but are poorly understood. This study aimed to identify determinants of completion and early dropout in National Health Service (NHS) WMIs. METHODS In this prospective observational study, 329 patients recruited at initial consultation appointments satisfied the eligibility criteria: age ≥18 years and body mass index (BMI) ≥30 kg/m2 . Multivariate logistic regression analyses were performed to identify the odds ratios (OR, given with 95% confidence interval) of completion and early dropout. RESULTS Intervention completion rate was 39.8% (131 of 329). Variables that increased the likelihood of completion included engagement in support sessions, OR10.6 (4.7-23.6, p < 0.001); male sex, OR2.5 (1.4-4.5, p = 0.002); osteoarthritis, OR1.9 (1.1-3.3, p = 0.014); and one or more missed intervention appointments marked as 'could not attend' (notified nonattendance), OR1.8 (1.1-2.9, p = 0.032). Odds of early dropout were higher for participants with anxiety and depression OR2.0 (1.0-4.0, p = 0.039). Dietetic 1:1 participants were less likely to drop out early compared with group programme participants, OR0.3 (0.2-0.7, p = 0.002), but were less likely to complete the full intervention, OR0.5 (0.3-0.9, p = 0.02). Age, BMI, social deprivation and travel distance were among the variables not associated with completion or early dropout. CONCLUSIONS This study provides further evidence of the importance of support for participants of WMIs and the need for services to consider how support networks can be incorporated. Patients with poorer mental health may be more likely to drop out early and consequently benefit less from WMIs. Future research should qualitatively explore why these factors contribute to attrition to improve WMI effectiveness.
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Affiliation(s)
| | - Enzo M Battista-Dowds
- Weight Management Service, Nutrition and Dietetics Department, Cwm Taff Morgannwg University Health Board, Merthyr Tydfil, Wales, UK
| | - Daniel Heggs
- Department of Applied Psychology, School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, Wales, UK
| | - Paul Hewlett
- Department of Applied Psychology, School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, Wales, UK
| | - Amanda L M Squire
- Department of Healthcare and Food, School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, Wales, UK
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Cava E, Spadaccini D, Aimaretti G, Marzullo P, Cavigiolo B, Farinelli D, Gennari A, Saggia C, Carbonelli MG, Riso S, Prodam F. Weight Management Effectiveness and Predictors of Dropout in Breast Cancer Survivors: A Retrospective Study. Cancers (Basel) 2023; 15:4401. [PMID: 37686676 PMCID: PMC10486561 DOI: 10.3390/cancers15174401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/24/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
BACKGROUND Reducing obesity and weight gain, which often occurs during breast cancer treatment, may represent an efficient secondary or tertiary prevention against cancer. PURPOSE This retrospective observational cohort study aimed to assess the impact of a Mediterranean diet on weight and anthropometric changes in women completing active breast cancer treatment. Additionally, we sought to identify factors associated with study dropout within one year. METHODS A total of 182 female patients (20 normal weight, 59 overweight, 103 obese) received personalized Mediterranean diet interventions and underwent monthly outpatient visits. RESULTS Dropout rates were 42.3% at 6 months and 64.1% at 12 months. Among the obese subgroup, BMI (p < 0.001) and fat mass (p < 0.05) decreased after 6 months. At 12 months, the obese subgroup showed a borderline significant further reduction in BMI (p = 0.062). BMI or weight loss did not predict dropout at any time point. However, age (OR = 0.91) and diastolic blood pressure (OR = 1.07) were significant predictors of dropout at 12 months. CONCLUSION Implementing a Mediterranean diet can lead to weight and anthropometric improvements in breast cancer survivors. Further research is necessary to explore the long-term effects of weight loss on these individuals, identify effective dietary approaches, and consider specific predictors of dropout.
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Affiliation(s)
- Edda Cava
- Unit of Dietetic and Clinical Nutrition, San Camillo-Forlanini Hospital, 00149 Rome, Italy; (E.C.); (M.G.C.)
| | - Daniele Spadaccini
- Department of Health Sciences, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (D.S.); (G.A.); (P.M.)
| | - Gianluca Aimaretti
- Department of Health Sciences, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (D.S.); (G.A.); (P.M.)
- SCDU Endocrinology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy;
| | - Paolo Marzullo
- Department of Health Sciences, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (D.S.); (G.A.); (P.M.)
- SCDU Endocrinology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy;
| | - Beatrice Cavigiolo
- SCDU Endocrinology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy;
| | - Deborah Farinelli
- Unit of Dietetic and Clinical Nutrition, University Hospital “Maggiore della Carità”, 28100 Novara, Italy; (D.F.); (S.R.)
| | - Alessandra Gennari
- Division of Oncology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Eastern Piedmont, Via Solaroli 17, 28100 Novara, Italy; (A.G.)
| | - Chiara Saggia
- Division of Oncology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Eastern Piedmont, Via Solaroli 17, 28100 Novara, Italy; (A.G.)
| | - Maria Grazia Carbonelli
- Unit of Dietetic and Clinical Nutrition, San Camillo-Forlanini Hospital, 00149 Rome, Italy; (E.C.); (M.G.C.)
| | - Sergio Riso
- Unit of Dietetic and Clinical Nutrition, University Hospital “Maggiore della Carità”, 28100 Novara, Italy; (D.F.); (S.R.)
| | - Flavia Prodam
- Department of Health Sciences, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy; (D.S.); (G.A.); (P.M.)
- SCDU Endocrinology, University Hospital “Maggiore della Carità”, Department of Translational Medicine, University of Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy;
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10
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Höchsmann C, Martin CK, Apolzan JW, Dorling JL, Newton RL, Denstel KD, Mire EF, Johnson WD, Zhang D, Arnold CL, Davis TC, Fonseca V, Thethi TK, Lavie CJ, Springgate B, Katzmarzyk PT. Initial weight loss and early intervention adherence predict long-term weight loss during the Promoting Successful Weight Loss in Primary Care in Louisiana lifestyle intervention. Obesity (Silver Spring) 2023; 31:2272-2282. [PMID: 37551762 PMCID: PMC10597572 DOI: 10.1002/oby.23854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 05/30/2023] [Accepted: 06/03/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE This study tested whether initial weight change (WC), self-weighing, and adherence to the expected WC trajectory predict longer-term WC in an underserved primary-care population with obesity. METHODS Data from the intervention group (n = 452; 88% women; 74% Black; BMI 37.3 kg/m2 [SD: 4.6]) of the Promoting Successful Weight Loss in Primary Care in Louisiana trial were analyzed. Initial (2-, 4-, and 8-week) percentage WC was calculated from baseline clinic weights and daily at-home weights. Weights were considered adherent if they were on the expected WC trajectory (10% at 6 months with lower [7.5%] and upper [12.5%] bounds). Linear mixed-effects models tested whether initial WC and the number of daily and adherent weights predicted WC at 6, 12, and 24 months. RESULTS Percentage WC during the initial 2, 4, and 8 weeks predicted percentage WC at 6 (R2 = 0.15, R2 = 0.28, and R2 = 0.50), 12 (R2 = 0.11, R2 = 0.19, and R2 = 0.32), and 24 (R2 = 0.09, R2 = 0.11, and R2 = 0.16) months (all p < 0.01). Initial daily and adherent weights were significantly associated with WC as individual predictors, but they only marginally improved predictions beyond initial weight loss alone in multivariable models. CONCLUSIONS These results highlight the importance of initial WC for predicting long-term WC and show that self-weighing and adherence to the expected WC trajectory can improve WC prediction.
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Affiliation(s)
- Christoph Höchsmann
- Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Corby K Martin
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - John W Apolzan
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - James L Dorling
- Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Robert L Newton
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Kara D Denstel
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Emily F Mire
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | | | - Dachuan Zhang
- Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA
| | - Connie L Arnold
- Department of Medicine and Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Terry C Davis
- Department of Medicine and Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Vivian Fonseca
- AdventHealth, Translational Research Institute, Orlando, Florida, USA
| | - Tina K Thethi
- AdventHealth, Translational Research Institute, Orlando, Florida, USA
| | - Carl J Lavie
- Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute, New Orleans, Louisiana, USA
| | - Benjamin Springgate
- Department of Internal Medicine, Louisiana State University School of Medicine, New Orleans, Louisiana, USA
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11
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Ronteltap A, Bukman AJ, Nagelhout GE, Hermans RCJ, Hosper K, Haveman-Nies A, Lupker R, Bolman CAW. Digital health interventions to improve eating behaviour of people with a lower socioeconomic position: a scoping review of behaviour change techniques. BMC Nutr 2022; 8:145. [PMID: 36482430 PMCID: PMC9733085 DOI: 10.1186/s40795-022-00635-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 11/10/2022] [Indexed: 12/13/2022] Open
Abstract
Specific approaches are needed to reach and support people with a lower socioeconomic position (SEP) to achieve healthier eating behaviours. There is a growing body of evidence suggesting that digital health tools exhibit potential to address these needs because of its specific features that enable application of various behaviour change techniques (BCTs). The aim of this scoping review is to identify the BCTs that are used in diet-related digital interventions targeted at people with a low SEP, and which of these BCTs coincide with improved eating behaviour. The systematic search was performed in 3 databases, using terms related to e/m-health, diet quality and socioeconomic position. A total of 17 full text papers were included. The average number of BCTs per intervention was 6.9 (ranged 3-15). BCTs from the cluster 'Goals and planning' were applied most often (25x), followed by the clusters 'Shaping knowledge' (18x) and 'Natural consequences' (18x). Other frequently applied BCT clusters were 'Feedback and monitoring' (15x) and 'Comparison of behaviour' (13x). Whereas some BCTs were frequently applied, such as goal setting, others were rarely used, such as social support. Most studies (n = 13) observed a positive effect of the intervention on eating behaviour (e.g. having breakfast) in the low SEP group, but this was not clearly associated with the number or type of applied BCTs. In conclusion, more intervention studies focused on people with a low SEP are needed to draw firm conclusions as to which BCTs are effective in improving their diet quality. Also, further research should investigate combinations of BCTs, the intervention design and context, and the use of multicomponent approaches. We encourage intervention developers and researchers to describe interventions more thoroughly, following the systematics of a behaviour change taxonomy, and to select BCTs knowingly.
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Affiliation(s)
- Amber Ronteltap
- grid.438049.20000 0001 0824 9343Knowledge Centre Healthy and Sustainable Living, University of Applied Sciences Utrecht, P.O. box 12011, 3501 AA Utrecht, The Netherlands
| | - Andrea J. Bukman
- grid.438049.20000 0001 0824 9343Knowledge Centre Healthy and Sustainable Living, University of Applied Sciences Utrecht, P.O. box 12011, 3501 AA Utrecht, The Netherlands
| | - Gera E. Nagelhout
- IVO Research Institute, The Hague, The Netherlands ,grid.5012.60000 0001 0481 6099Department of Health Promotion, CAPHRI Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands
| | - Roel C. J. Hermans
- grid.5012.60000 0001 0481 6099Department of Health Promotion, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands ,grid.491176.c0000 0004 0395 4926Netherlands Nutrition Centre, The Hague, The Netherlands
| | | | - Annemien Haveman-Nies
- grid.4818.50000 0001 0791 5666Consumption and Healthy Lifestyles Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Remko Lupker
- grid.36120.360000 0004 0501 5439Faculty of Psychology, Open University of the Netherlands, Heerlen, The Netherlands
| | - Catherine A. W. Bolman
- grid.36120.360000 0004 0501 5439Faculty of Psychology, Open University of the Netherlands, Heerlen, The Netherlands
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12
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Martinez M, Salazar-Collier CL, Pena J, Wilkinson AV, Chavarria EA, Reininger BM. Motivation for weight loss among completers of a free community-based weight loss program in a US-Mexico border region: A self-determination theory perspective. Front Public Health 2022; 10:652271. [PMID: 36203664 PMCID: PMC9530817 DOI: 10.3389/fpubh.2022.652271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 08/16/2022] [Indexed: 01/21/2023] Open
Abstract
This study explores the perceptions and motivation for weight loss among participants who completed a free community-based weight loss program in a predominantly Hispanic and low-income region along the US-Mexico border using a Self-Determination Theory (SDT) perspective. This manuscript is timely as qualitative research on the effect of motivation as a factor in behavioral interventions to reduce overweight or obesity is currently lacking. Individual semi-structured interviews were conducted with 20 participants (80%, n = 16 female) who completed a community weight-loss intervention to assess motivation for weight loss and participating, and the role of social support and self-efficacy in weight loss. Directed content analysis was used with SDT guiding the questions and subsequent theme analysis. The findings communicate perspectives of participants relevant to 8 prominent themes. The regulation types and constructs related to SDT included: non-regulation, external regulation, introjected regulation, identified regulation, integrated regulation, and intrinsic regulation as well as competence and relatedness. Participants mentioned external sources of motivation, such as wanting to improve their physical appearance, and motivation due to financial incentives. Fewer participants reported intrinsic motivators, which the literature suggests are more likely to create lasting change and improved health behaviors. Understanding the motivation for behavior change and completion of weight loss programs is essential to help participants reach their goals effectively and sustain weight loss. A greater emphasis during weight loss programs on the motives for individuals to lose weight may help improve outcomes in weight-loss interventions. Additionally, increasing strategies targeted at enhancing intrinsic motivation for weight loss may be beneficial.
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Affiliation(s)
- Miriam Martinez
- Texas Tech University Health Science Center, El Paso, TX, United States
| | - Cindy L. Salazar-Collier
- College of Nursing & Health Sciences, Texas A&M International University, Laredo, TX, United States,*Correspondence: Cindy L. Salazar-Collier
| | - Jessica Pena
- School of Public Health, University of Texas Health Sciences Center at Houston, Houston, TX, United States
| | - Anna V. Wilkinson
- School of Public Health, University of Texas Health Sciences Center at Houston, Houston, TX, United States
| | | | - Belinda M. Reininger
- School of Public Health, University of Texas Health Sciences Center at Houston, Houston, TX, United States
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13
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Adherence of Obese Patients from Poland and Germany and Its Impact on the Effectiveness of Morbid Obesity Treatment. Nutrients 2022; 14:nu14183880. [PMID: 36145256 PMCID: PMC9505872 DOI: 10.3390/nu14183880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022] Open
Abstract
This study aimed to investigate and compare the adherence of patients treated for morbid obesity living in Poland and Germany. Methods: A cross-sectional international multicenter survey design was adopted. The study involved 564 adult subjects treated for morbid obesity at selected healthcare facilities in Germany (210 participants) and Poland (354 participants). A validated, custom-made questionnaire based on the literature related to this issue was used. Results: The degree of adherence was higher, but not statistically significant, among Polish patients (83.82% vs. 78.33%, p = 0.26140). Patient adherence was associated with gender, age, level of education, duration of obesity, number of health professionals involved in obesity treatment, and type of obesity treatment (p < 0.05). A positive correlation was observed in the case of age, level of education, and a growing number of health professionals involved in obesity treatment, whereas a negative correlation was observed in the case of the duration of obesity. Patients who underwent bariatric surgery significantly more often followed medical recommendations regarding lifestyle changes, compared to obese participants treated only conservatively. Adherence in the field of obesity treatment significantly increases the percentage of total weight loss and excess weight loss due to applied obesity treatment among both Polish and German groups (p < 0.001). Both the percentage of total weight loss and that of excess weight loss were significantly higher in the group of adherent patients compared to the nonadherent patients (p < 0.00001). The levels of perceived anxiety, stress, and depression were significantly higher in nonadherent patients in both countries. Conclusions: These findings confirm the role of adherence in the effective and satisfactory treatment of morbid obesity. There is a great need to improve patient adherence to overcome the consequences of the obesity pandemic.
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14
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Jiskoot G, de Loos AD, Timman R, Beerthuizen A, Laven J, Busschbach J. Changes in eating behavior through lifestyle treatment in women with polycystic ovary syndrome (PCOS): a randomized controlled trial. J Eat Disord 2022; 10:69. [PMID: 35581616 PMCID: PMC9116037 DOI: 10.1186/s40337-022-00593-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/06/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Eating behaviors like emotional eating, external eating and restrained eating play an important role in weight gain and weight loss in the general population. Improvements in eating behavior are important for long-term weight. This has not yet been studied in women with Polycystic Ovary Syndrome (PCOS). The aim of this study is to examine if a three-component lifestyle intervention (LI) is effective for improving disordered eating behavior in women with PCOS. METHODS Women diagnosed with PCOS (N = 183), with a body mass index (BMI) > 25 kg/m2 and trying to achieve a pregnancy were either assigned to 1 year of 20 group sessions of cognitive behavioral therapy (CBT) combined with nutritional advice and exercise with or without additional feedback through Short Message Service (SMS) or Care As Usual (CAU), which includes the advice to lose weight using publicly available services. RESULTS The Eating Disorder Examination Questionnaire (EDEQ) scores worsened in CAU (47.5%) and improved in the LI (4.2%) at 12 months. The difference between the LI and CAU was significant (P = 0.007) and resulted in a medium to large effect size (Cohen's d: - 0.72). No significant differences were observed in EDEQ scores between LI with SMS compared to LI without SMS (Cohen's d: 0.28; P = 0.399). Also, weight loss did not mediate the changes in eating behavior. An overall completion rate of 67/183 (36.6%) was observed. CONCLUSIONS A three-component CBT lifestyle program resulted in significant improvements in disordered eating behavior compared to CAU. Changes in disordered eating behavior are important for long-term weight loss and mental health. TRIAL REGISTRATION NTR, NTR2450. Registered 2 August 2010, https://www.trialregister.nl/trial/2344.
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Affiliation(s)
- Geranne Jiskoot
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands. .,Department of Psychiatry, Section Medical Psychology and Psychotherapy, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands.
| | - Alexandra Dietz de Loos
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Reinier Timman
- Department of Psychiatry, Section Medical Psychology and Psychotherapy, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Annemerle Beerthuizen
- Department of Psychiatry, Section Medical Psychology and Psychotherapy, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Joop Laven
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Jan Busschbach
- Department of Psychiatry, Section Medical Psychology and Psychotherapy, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
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15
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Sevild CH, Niemiec CP, Dyrstad SM, Bru LE. Motivation and Lifestyle-Related Changes among Participants in a Healthy Life Centre: A 12-Month Observational Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095167. [PMID: 35564565 PMCID: PMC9105960 DOI: 10.3390/ijerph19095167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 02/01/2023]
Abstract
Healthy Life Centers (HLCs) have been established throughout Norway to support lifestyle changes and promote physical and mental health. We conducted a 12-month observational study among participants in an HLC that aimed to improve physical activity (PA) and dietary behaviors, and this study examined predictors of completion, and changes in psychological variables, lifestyle behaviors, and physical health indicators. The participants (N = 120, 71% female, mean age = 44 years) reported symptoms of psychological distress (77%) and were obese (77%). No baseline characteristics were found to be consistent predictors of completion (42%). Completers had significant improvements in autonomous motivation for PA (d = 0.89), perceived competence for PA (d = 1.64) and diet (d = 0.66), psychological distress (d = 0.71), fruit intake (d = 0.64), vegetable intake (d = 0.38), BMI among all participants (d = 0.21) and obese participants (d = 0.34), body fat percentage among all participants (d = 0.22) and obese participants (d = 0.33), and lower body strength (d = 0.91). Fat-free mass and all forms of PA remained unchanged from baseline to 12 months. Hence, there were indications of improvement among completers on psychological variables, lifestyle behaviors, and physical health indicators. The low rate of completion was a concern, and the unchanged levels of PA reflect an important area of focus for future interventions in the context of HLCs.
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Affiliation(s)
- Cille H. Sevild
- Department of Public Health, University of Stavanger, 4021 Stavanger, Norway; (C.P.N.); (S.M.D.)
- Research Unit, Centre for Health Promotion, 4068 Stavanger, Norway
- Correspondence:
| | - Christopher P. Niemiec
- Department of Public Health, University of Stavanger, 4021 Stavanger, Norway; (C.P.N.); (S.M.D.)
- Department of Psychology, University of Rochester, Rochester, NY 14642, USA
- Centre for Learning Environment, University of Stavanger, 4021 Stavanger, Norway;
| | - Sindre M. Dyrstad
- Department of Public Health, University of Stavanger, 4021 Stavanger, Norway; (C.P.N.); (S.M.D.)
- Department of Education and Sport Science, University of Stavanger, 4021 Stavanger, Norway
| | - Lars Edvin Bru
- Centre for Learning Environment, University of Stavanger, 4021 Stavanger, Norway;
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16
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Brenton-Peters JM, Consedine NS, Cavadino A, Roy R, Serlachius AS. Investigating the effect of an online self-compassion for weight management (SC4WM) intervention on self-compassion, eating behaviour, physical activity and body weight in adults seeking to manage weight: protocol for a randomised controlled trial. BMJ Open 2022; 12:e056174. [PMID: 35105594 PMCID: PMC8808316 DOI: 10.1136/bmjopen-2021-056174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
INTRODUCTION Individual weight management, defined as engaging in behaviours to maintain or lose weight, can improve health and well-being. However, numerous factors influence weight management outcomes, such as genetics, biology, stress, the social and physical environment. Consequently, weight management can be hard. Self-compassion, described as treating oneself kindly in times of failure or distress, has shown promise in improving weight management outcomes. The objectives of this study are twofold: (1) to examine the efficacy of an online self-compassion for weight management (SC4WM) intervention coupled with an online commercial weight management programme (WW Weight Watchers reimagined) with increasing self-compassion and improving weight management outcomes (eating behaviour, physical activity and body weight) in comparison with the WW programme only and (2) to explore whether improvements in weight management outcomes are moderated by eating restraint, weight self-stigma, perceived stress and psychological coping. METHODS AND ANALYSIS To achieve these objectives, 240 participants seeking to manage their weight were randomised to either an online behavioural commercial weight management programme (WW) or the online WW +SC4 WM intervention. Validated measures of self-compassion, stress, weight self-stigma, eating restraint, psychological coping and weight management outcomes were administered online at baseline, 4 weeks and at a 12-week follow-up. ETHICS AND DISSEMINATION Ethics has been granted by the University of Auckland Health Research Ethics committee. Results will be communicated in peer-review journals, conferences and a doctoral thesis. If effective in increasing self-compassion and improving weight management outcomes, the intervention could be made more widely available to supplement behavioural weight management programmes. TRIAL REGISTRATION NUMBER ACTRN12621000580875; Pre-results.
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Affiliation(s)
| | - Nathan S Consedine
- Department of Psychological Medicine, The University of Auckland, Auckland, New Zealand
| | - Alana Cavadino
- Section of Epidemiology and Biostatistics, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Rajshri Roy
- Department of Nutrition and Dietetics, The University of Auckland, Auckland, New Zealand
| | - Anna Sofia Serlachius
- Department of Psychological Medicine, The University of Auckland, Auckland, New Zealand
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17
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Noreik M, Madigan CD, Astbury NM, Edwards RM, Galal U, Mollison J, Ghebretinsea F, Jebb SA. Testing the short-term effectiveness of primary care referral to online weight loss programmes: A randomised controlled trial. Clin Obes 2021; 11:e12482. [PMID: 34612589 PMCID: PMC9285966 DOI: 10.1111/cob.12482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/18/2021] [Accepted: 06/30/2021] [Indexed: 12/28/2022]
Abstract
Guidelines ask health professionals to offer brief advice to encourage weight loss for people living with obesity. We tested whether referral to one of three online programmes could lead to successful weight loss. A total of 528 participants aged ≥18 years with a body mass index of ≥30 kg/m2 were invited via a letter from their GP. Participants were randomised to one of three online weight loss programmes (NHS Weight Loss Plan, Rosemary Online or Slimming World Online) or to a control group receiving no intervention. Participants self-reported weight at baseline and 8 weeks. The primary outcome was weight change in each of the active intervention groups compared with control. We also compared the proportion of participants losing ≥5% or ≥10% of body weight. For Rosemary, Online mean weight loss was modestly greater than control (-1.5 kg [95% confidence interval (CI) -2.3 to -0.6]) and more than three times as many participants in this group lost ≥5% (relative risk [RR] = 3.64, 95% CI: 1.63-8.1). For Slimming World, mean weight loss was not significantly different from control (-0.8 kg [95%CI -1.7 to 0.1]), twice as many participants lost ≥5% (RR = 2.70, 1.17-6.23). There was no significant difference in weight loss for participants using the NHS Weight Loss Plan (-0.4 kg, [95% CI -1.3 to 0.5]), or the proportion losing ≥5% (RR = 2.09, 0.87-5.01). Only one of three online weight loss programmes was superior to no intervention and the effect size modest among participants living with obesity.
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Affiliation(s)
- Michaela Noreik
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
- NIHR Oxford Biomedical Research CentreOxford University Hospitals, NHS Foundation TrustOxfordUK
| | - Claire D. Madigan
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
- NIHR Oxford Biomedical Research CentreOxford University Hospitals, NHS Foundation TrustOxfordUK
- Centre for Lifestyle Medicine and BehaviourLoughborough UniversityLeicestershireUK
| | - Nerys M. Astbury
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
- NIHR Oxford Biomedical Research CentreOxford University Hospitals, NHS Foundation TrustOxfordUK
| | - Rhiannon M. Edwards
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
| | - Ushma Galal
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
| | - Jill Mollison
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
| | - Fitsum Ghebretinsea
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
| | - Susan A. Jebb
- Nuffield Department of Primary Care Health SciencesUniversity of Oxford, Radcliffe Observatory QuarterOxfordUK
- NIHR Oxford Biomedical Research CentreOxford University Hospitals, NHS Foundation TrustOxfordUK
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18
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Bazrafkan L, Choobineh MA, Shojaei M, Bozorgi A, Sharifi MH. How do overweight people dropout of a weight loss diet? A qualitative study. BMC Nutr 2021; 7:76. [PMID: 34794513 PMCID: PMC8603507 DOI: 10.1186/s40795-021-00480-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 10/25/2021] [Indexed: 11/17/2022] Open
Abstract
Background The growing trend of overweight and obesity in many developed and developing countries in recent years has made obesity one of the most significant health problems in the world. The treatment of overweight and obese people is challenging, as patients have difficulty adhering to a weight-loss diet. Thus, the present study aimed to identify the reasons for the dropout of weight-loss diets. Methods This qualitative study using content analysis was conducted in a comprehensive health center in Shiraz, southern Iran, between April and October 2020. The study was performed on 27 participants with a history of obesity and diet dropout selected via purposive and theoretical sampling. The data were gathered through semi-structured interviews and were thematically analyzed. Results The participants included 25 females (92.6%) and two males (7.4%) with a mean age of 33.4 ± 8.4 years. Data analysis resulted in the emergence of three themes and 14 sub-themes. The first theme was personal reasons for diet dropout, which included six sub-themes; i.e., misunderstanding of diet, not having enough motivation, stress and hormonal disorder, having the feel of “being harmful to health”, lack of mental and psychological preparation, and personal taste. The second theme was familial and social reasons for diet dropout, including two sub-themes, i.e., social and familial problems. Finally, the third theme was the reasons related to diet characteristics, including six sub-themes: ineffectiveness of diet, expensiveness of diet food and dietary supplements, family problems, unavailability of food, unscientific and unconventional diets feeling bad about the diet, and unpalatable diet food. All the concepts were related to each other and resulted in a pattern revealing the experiences of overweight people and who had dropped out of weight-loss diets. Conclusion The reasons for diet dropout were divided into three levels: personal reasons, familial and social reasons, and diet characteristics. Overall, clinicians should pay attention to the complexity of diets to increase the success rate of weight management. Based on the current study findings, a guideline is recommended to guide patients who dropout of weight-loss diets.
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Affiliation(s)
- Leila Bazrafkan
- Clinical Education Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mehrnaz Shojaei
- Department of Community Nutrition, School of Nutrition & Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Bozorgi
- Research Center for Traditional Medicine and History of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Sharifi
- Research Center for Traditional Medicine and History of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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Myers A, Camidge D, Croden F, Gibbons C, Stubbs RJ, Blundell J, Finlayson G, Buckland N. Free-Living Energy Balance Behaviors Are Associated With Greater Weight Loss During a Weight Loss Program. Front Nutr 2021; 8:688295. [PMID: 34595197 PMCID: PMC8478016 DOI: 10.3389/fnut.2021.688295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 07/28/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: Free-living movement (physical activity [PA] and sedentary behavior [SB]) and eating behaviors (energy intake [EI] and food choice) affect energy balance and therefore have the potential to influence weight loss (WL). This study explored whether free-living movement and/or eating behaviors measured early (week 3) in a 14-week WL programme or their change during the intervention are associated with WL in women. Methods: In the study, 80 women (M ± SD age: 42.0 ± 12.4 years) with overweight or obesity [body mass index (BMI): 34.08 ± 3.62 kg/m2] completed a 14 week WL program focused primarily on diet (commercial or self-led). Body mass (BM) was measured at baseline, and again during week 2 and 14 along with body composition. Free-living movement (SenseWear Armband) and eating behavior (weighed food diaries) were measured for 1 week during week 3 and 12. Hierarchical multiple regression analyses examined whether early and early-late change in free-living movement and eating behavior were associated with WL. The differences in behavior between clinically significant weight losers (CWL; ≥5% WL) and non-clinically significant weight losers (NWL; ≤ 3% WL) were compared. Results: The energy density of food consumed [β = 0.45, p < 0.001] and vigorous PA [β = -0.30, p < 0.001] early in the intervention (regression model 1) and early-late change in light PA [β = -0.81 p < 0.001], moderate PA [β = -1.17 p < 0.001], vigorous PA [β = -0.49, p < 0.001], total energy expenditure (EE) [β = 1.84, p < 0.001], and energy density of food consumed [β = 0.27, p = 0.01] (regression model 2) significantly predicted percentage change in BM. Early in the intervention, CWL consumed less energy dense foods than NWL [p = 0.03]. CWL showed a small but significant increase in vigorous PA, whereas NWL showed a slight decrease in PA [p = 0.04]. Conclusion: Both early and early-late change in free-living movement and eating behaviors during a 14 week WL program are predictors of WL. These findings demonstrate that specific behaviors that contribute to greater EE (e.g., vigorous PA) and lower EI (e.g., less energy-dense foods) are related to greater WL outcomes. Interventions targeting these behaviors can be expected to increase the effectiveness of WL programs.
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Affiliation(s)
- Anna Myers
- Sport and Physical Activity Research Center, College of Health, Wellbeing, and Life Sciences, Sheffield Hallam University, Sheffield, United Kingdom
| | - Diana Camidge
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - Fiona Croden
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - Catherine Gibbons
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - R James Stubbs
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - John Blundell
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - Graham Finlayson
- Faculty of Medicine and Health, Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, United Kingdom
| | - Nicola Buckland
- Department of Psychology, University of Sheffield, Sheffield, United Kingdom
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Wilkinson JA, Harrison AS, Doherty P. Obese patients' characteristics and weight loss outcomes in cardiac rehabilitation: An observational study of registry data. Int J Cardiol 2021; 337:16-20. [PMID: 33940094 DOI: 10.1016/j.ijcard.2021.04.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 04/28/2021] [Indexed: 11/26/2022]
Abstract
AIM Cardiac rehabilitation (CR) guidelines advocate weight loss for obese patients but mean weight loss is small. We sought to determine the extent to which obese patients' characteristics prior to CR predict weight loss. METHODS An observational, pre- and post CR study of routine practice using the UK National Audit of Cardiac Rehabilitation dataset was undertaken. Backward, stepwise, multiple linear regression analysis was used to identify characteristics prior to CR that predicted weight change in obese patients. RESULTS In 29,601 obese patients undertaking CR, mean weight loss was 0.9 kg (SD 4.3; p < 0.001) in men (74% of sample) and 0.5 kg (SD 3.9; p < 0.001) in women. Smoking cessation since the cardiac event independently predicted less weight loss by 1.2 kg (95% CI; 0.9, 1.5 kg; p < 0.001). Diabetes, cardiac surgery, living in a deprived area, being female, low fitness levels and pain independently predicted less weight loss during CR. Higher initial weight, greater age and being employed predicted increased weight loss. CONCLUSION This is the first study to identify how the characteristics of obese patients independently predict different amounts of weight loss during CR in free-living individuals. It is also the largest, registry-based study to investigate predictors of weight loss in obese patients in CR. Knowledge of the extent to which obese patients' characteristics predict more or less weight loss can aid: the generation of guidelines; agreement of realistic goals with patients; and tailoring of weight management support.
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Affiliation(s)
| | | | - Patrick Doherty
- University of York, Department of Health Sciences, York YO10 5DD, UK.
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Chopra S, Malhotra A, Ranjan P, Vikram NK, Sarkar S, Siddhu A, Kumari A, Kaloiya GS, Kumar A. Predictors of successful weight loss outcomes amongst individuals with obesity undergoing lifestyle interventions: A systematic review. Obes Rev 2021; 22:e13148. [PMID: 33200547 DOI: 10.1111/obr.13148] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 12/11/2022]
Abstract
Understanding the predictors of weight loss with lifestyle interventions can help to ascertain the probable outcomes of individuals with obesity who undergo such interventions. This systematic review assessed the evidence of predictors of successful weight loss among individuals who are overweight or with obesity undergoing lifestyle interventions. Four electronic databases (PubMed, Cochrane Reviews, PsychInfo and Wiley) were searched to find relevant literature published in the past 20 years. A total of 1351 titles were identified in the initial search, of which 23 studies were finally included. Predictors were synthesized in the domains of socio-demographic factors, anthropometric parameters, psychological and behavioural factors and intervention-based factors. The overall quality of evidence on predictors was then appraised using an adapted GRADE approach. Patient-specific factors such as being male, older in age, having existing cardiometabolic comorbidities and limited fat intake were significantly associated with weight loss success. Amongst intervention specific predictors, greater initial weight loss and higher adherence to lifestyle advice were associated with greater weight loss success. In this review, initial weight loss came out to be as the most important predictor of successful weight loss outcome.
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Affiliation(s)
- Sakshi Chopra
- Department of Home Science, University of Delhi, New Delhi, India
| | - Anita Malhotra
- Department of Home Science, Lakshmibai College, University of Delhi, New Delhi, India
| | - Piyush Ranjan
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Naval K Vikram
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Siddharth Sarkar
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India
| | - Anupa Siddhu
- Department of Home Science, University of Delhi, New Delhi, India
| | - Archana Kumari
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India
| | | | - Amit Kumar
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
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22
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Exercise Shifts Hypothetical Food Choices toward Greater Amounts and More Immediate Consumption. Nutrients 2021; 13:nu13020347. [PMID: 33498953 PMCID: PMC7911174 DOI: 10.3390/nu13020347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/12/2021] [Accepted: 01/21/2021] [Indexed: 11/16/2022] Open
Abstract
Although exercise modulates appetite regulation and food intake, it remains poorly understood how exercise impacts decision-making about food. The purpose of the present study was to assess the impact of an acute exercise bout on hypothetical choices related to the amount and timing of food intake. Forty-one healthy participants (22.0 ± 2.6 years; 23.7 ± 2.5 kg/m2, 56% female) completed 45 min of aerobic exercise and a resting control condition in randomized order. Food amount preferences and intertemporal food preferences (preference for immediate vs. delayed consumption) were assessed using electronic questionnaires with visual food cues. Compared to rest, exercise resulted in a greater increase in the food amount selected, both immediately post-exercise (+25.8 ± 11.0 vs. +7.8 ± 11.0 kcal/item, p = 0.02) and 30 min post-exercise (+47.3 ± 12.4 vs. +21.3 ± 12.4 kcal/item, p = 0.005). Exercise further resulted in a greater increase in the preference for immediate consumption immediately post-exercise (+0.23 ± 0.10 vs. +0.06 ± 0.10; p = 0.03) and 30 min post-exercise (+0.30 ± 0.12 vs. +0.08 ± 0.12; p = 0.01). Our findings demonstrate that a single bout of aerobic exercise shifts hypothetical food choices toward greater amounts and more immediate consumption, highlighting the importance of the timing of food choices made in the exercise context.
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Verberne LDM, Leemrijse CJ, Nielen MMJ, Friele RD. Intermediate weight changes and follow-up of dietetic treatment in primary health care: an observational study. BMC Nutr 2020; 6:62. [PMID: 33292684 PMCID: PMC7667732 DOI: 10.1186/s40795-020-00377-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 09/01/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Primary health care data have shown that most patients who were treated for overweight or obesity by a dietitian did not accomplish the recommended treatment period. It is hypothesised that a slow rate of weight loss might discourage patients from continuing dietetic treatment. This study evaluated intermediate weight changes during regular dietetic treatment in Dutch primary health care, and examined whether weight losses at previous consultations were associated with attendance at follow-up consultations. METHODS This observational study was based on real life practice data of overweight and obese patients during the period 2013-2017, derived from Dutch dietetic practices that participated in the Nivel Primary Care Database. Multilevel regression analyses were conducted to estimate the mean changes in body mass index (BMI) during six consecutive consultations and to calculate odds ratios for the association of weight change at previous consultations with attendance at follow-up consultations. RESULTS The total study population consisted of 25,588 overweight or obese patients, with a mean initial BMI of 32.7 kg/m2. The BMI decreased between consecutive consultations, with the highest weight losses between the first and second consultation. After six consultations, a mean weight loss of - 1.5 kg/m2 was estimated. Patients who lost weight between the two previous consultations were more likely to attend the next consultation than patients who did not lose weight or gained weight. CONCLUSIONS Body mass index decreased during consecutive consultations, and intermediate weight losses were associated with a higher attendance at follow-up consultations during dietetic treatment in overweight patients. Dietitians should therefore focus on discussing intermediate weight loss expectations with their patients.
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Affiliation(s)
- Lisa D M Verberne
- Nivel, Netherlands Institute for Health Services Research, P.O. Box 1568, Utrecht, 3500 BN, The Netherlands.
| | - Chantal J Leemrijse
- Nivel, Netherlands Institute for Health Services Research, P.O. Box 1568, Utrecht, 3500 BN, The Netherlands
| | - Markus M J Nielen
- Nivel, Netherlands Institute for Health Services Research, P.O. Box 1568, Utrecht, 3500 BN, The Netherlands
| | - Roland D Friele
- Nivel, Netherlands Institute for Health Services Research, P.O. Box 1568, Utrecht, 3500 BN, The Netherlands.,Tilburg School of Social and Behavioral Sciences, Tilburg University, Tranzo, P.O. Box 90153, Tilburg, 5000 LE, The Netherlands
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24
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Stinson EJ, Piaggi P, Votruba SB, Venti C, Lovato‐Morales B, Engel S, Krakoff J, Gluck ME. Is Dietary Nonadherence Unique to Obesity and Weight Loss? Results From a Randomized Clinical Trial. Obesity (Silver Spring) 2020; 28:2020-2027. [PMID: 32808484 PMCID: PMC7644624 DOI: 10.1002/oby.23008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/07/2020] [Accepted: 08/12/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Weight stigma is associated with poor dietary adherence, yet adherence is essential for weight loss and maintenance. This study aimed to determine differences in dietary adherence and perceived hunger between lean individuals and two groups of individuals with obesity. METHODS In a 6-week outpatient dietary intervention (23 males; aged 48 [SD 14] years), lean participants (n = 23; BMI 23 [SD 2] kg/m2 ) received a weight-maintaining energy needs (WMEN) diet, and participants with obesity (BMI 36 [SD 7]) were randomized to either WMEN (n = 18) or a 35% calorie-reduced (CR) diet (n = 19). All food was provided, and multiple adherence and hunger ratings were assessed daily and weekly on an outpatient basis and in person at twice-weekly visits (e.g., 24-hour recall, diaries). RESULTS Weight decreased more in the group of CR individuals with obesity (β = -0.301 kg/wk, P = 0.02) compared with the group of lean individuals and the group of WMEN individuals with obesity. However, total percent adherence did not differ between groups (P = 0.60), and hunger scores did not change across groups over time (P = 0.08). CONCLUSIONS Results indicate that there are no differences in dietary adherence between lean individuals and individuals with obesity and adherence is not associated with adiposity or hunger. Thus, the belief that nonadherence (e.g., lack of willpower) is unique to obesity is untrue and may perpetuate weight bias and stigma.
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Affiliation(s)
- Emma J. Stinson
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | - Paolo Piaggi
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | - Susanne B. Votruba
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | - Colleen Venti
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | - Barbara Lovato‐Morales
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | | | - Jonathan Krakoff
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
| | - Marci E. Gluck
- Obesity and Diabetes Clinical Research SectionNational Institute of Diabetes and Digestive and Kidney DiseasesNational Institutes of HealthPhoenixArizonaUSA
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De Pergola G, Zupo R, Lampignano L, Bonfiglio C, Giannelli G, Osella AR, Triggiani V. Higher Body Mass Index, Uric Acid Levels, and Lower Cholesterol Levels are Associated with Greater Weight Loss. Endocr Metab Immune Disord Drug Targets 2020; 20:1268-1281. [DOI: 10.2174/1871530320666200429235830] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/30/2019] [Accepted: 01/17/2020] [Indexed: 01/02/2023]
Abstract
Background:
Identifying predictive factors that contribute to changes in body weight may
well be an interesting approach to the management of obesity.
Objective:
This study was firstly aimed at examining the effect of a one-year lifestyle program based
on improvements in the habitual diet and increased levels of physical activity on weight loss. Secondly,
it was focused on identifying anthropometric, and serum hormonal, metabolic and haematochemical
factors which can be associated with the degree of weight loss in Kg.
Methods:
488 overweight or obese subjects, 383 women and 105 men, aged 18-67 years, were enrolled
in the study. Body mass index, waist circumference, serum blood glucose, lipids, uric acid, creatinine,
insulin, TSH, FT3, FT4, and 24-h urine catecholamines were measured.
Results:
Weight loss was positively associated with BMI (P < 0.01), waist circumference (P < 0.01),
uric acid (P < 0.01), creatinine (P < 0.05), smoking (P < 0.01), and negatively correlated with age (P <
0.01), total cholesterol (P < 0.05), LDL-cholesterol (P < 0.01), HDL cholesterol (P < 0.05). In a multiple
regression model considering weight loss as a dependent variable, and smoking, age, BMI, uric
acid, creatinine, total cholesterol, LDL-cholesterol and HDL cholesterol as independent variables,
weight loss maintained a direct independent relationship with BMI (P < 0.001), uric acid (P < 0.05),
LDL-cholesterol (P < 0.05), and HDL-cholesterol (P < 0.05), and an inverse independent association
with cholesterol (P < 0.01).
Conclusions:
This study suggests that higher BMI and uric acid levels, and lower total cholesterol concentrations
are associated with a greater potential to lose weight.
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Affiliation(s)
- Giovanni De Pergola
- Clinical Nutrition Unit, Medical Oncology, Department of Biomedical Science and Human Oncology, University of Bari, School of Medicine, Policlinic, Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Roberta Zupo
- National Institute of Gastroenterology "S. de Bellis," Research Hospital, 70013, Castellana Grotte, Italy
| | - Luisa Lampignano
- National Institute of Gastroenterology "S. de Bellis," Research Hospital, 70013, Castellana Grotte, Italy
| | - Caterina Bonfiglio
- National Institute of Gastroenterology "S. de Bellis," Research Hospital, 70013, Castellana Grotte, Italy
| | - Gianluigi Giannelli
- National Institute of Gastroenterology "S. de Bellis," Research Hospital, 70013, Castellana Grotte, Italy
| | - Alberto R. Osella
- National Institute of Gastroenterology "S. de Bellis," Research Hospital, 70013, Castellana Grotte, Italy
| | - Vincenzo Triggiani
- Endocrinology and Metabolic Diseases, Interdisciplinary Department of Medicine, University of Bari “A. Moro” Bari, Italy
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Cannon MJ, Masalovich S, Ng BP, Soler RE, Jabrah R, Ely EK, Smith BD. Retention Among Participants in the National Diabetes Prevention Program Lifestyle Change Program, 2012-2017. Diabetes Care 2020; 43:2042-2049. [PMID: 32616617 PMCID: PMC11000538 DOI: 10.2337/dc19-2366] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 04/28/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To assess retention in the National Diabetes Prevention Program (DPP) lifestyle change program, which seeks to prevent type 2 diabetes in adults at high risk. RESEARCH DESIGN AND METHODS We analyzed retention among 41,203 individuals who enrolled in Centers for Disease Control and Prevention (CDC)-recognized in-person lifestyle change programs at organizations that submitted data to CDC's Diabetes Prevention Recognition Program during January 2012-February 2017. RESULTS Weekly attrition rates were typically <1-2% but were between 3.5% and 5% at week 2 and at weeks 17 and 18, where session frequency typically transitions from weekly to monthly. The percentage of participants retained through 18 weeks varied by age (45.9% for 18-29 year olds, 53.4% for 30-44 year olds, 60.2% for 45-54 year olds, 66.7% for 55-64 year olds, and 67.6% for ≥65 year olds), race/ethnicity (70.5% for non-Hispanic whites, 60.5% for non-Hispanic blacks, 52.6% for Hispanics, and 50.6% for other), mean weekly percentage of body weight lost (41.0% for ≤0% lost, 66.2% for >0% to <0.25% lost, 72.9% for 0.25% to <0.5% lost, and 73.9% for ≥0.5% lost), and mean weekly physical activity minutes (12.8% for 0 min, 56.1% for >0 to <60 min, 74.8% for 60 to <150 min, and 82.8% for ≥150 min) but not by sex (63.0% for men and 63.1% for women). CONCLUSIONS Our results demonstrate the need to identify strategies to improve retention, especially among individuals who are younger or are members of racial/ethnic minority populations and among those who report less physical activity or less early weight loss. Strategies that address retention after the first session and during the transition from weekly to monthly sessions offer the greatest opportunity for impact.
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Affiliation(s)
- Michael J Cannon
- Translation, Health Education, and Evaluation Branch, Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
| | | | - Boon Peng Ng
- College of Nursing and Disability, Aging and Technology Cluster, University of Central Florida, Orlando, FL
| | - Robin E Soler
- Translation, Health Education, and Evaluation Branch, Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
| | | | - Elizabeth K Ely
- Translation, Health Education, and Evaluation Branch, Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
| | - Bryce D Smith
- Translation, Health Education, and Evaluation Branch, Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
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Piernas C, MacLean F, Aveyard P, Ahern AL, Woolston J, Boyland EJ, Halford JCG, Jebb SA. Greater Attendance at a Community Weight Loss Programme over the First 12 Weeks Predicts Weight Loss at 2 Years. Obes Facts 2020; 13:349-360. [PMID: 32818946 PMCID: PMC7590756 DOI: 10.1159/000509131] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 06/01/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND There is considerable heterogeneity in long-term weight loss among people referred to obesity treatment programmes. It is unclear whether attendance at face-to-face sessions in the early weeks of the programme is an independent predictor of long-term success. OBJECTIVE To investigate whether frequency of attendance at a community weight loss programme over the first 12 weeks is associated with long-term weight change. METHODS Participants were randomised to receive brief support only (control, n = 211), or a weight loss programme for 12 weeks (n = 530) or 52 weeks (n = 528). This study included participants with data on session attendance over the first 12 weeks (n = 889) compared to the control group. The association between attendance (continuously) and weight loss was explored using a linear model. A multi-level mixed-effects linear model was used to investigate whether attendance (categorised as 0, 1, 2-5, 6-9, and 10-12 sessions) was associated with weight loss at 3, 12, and 24 months compared to the control. RESULTS For every session attended in the first 12 weeks, the average weight loss was -0.259 kg/session at 24 months (p = 0.005). Analysis by attendance group found only those attending 10-12 sessions had significantly greater weight loss (-7.5 kg [95% CI -8.1 to -6.9] at 12 months; -4.7 kg [95% CI -5.3 to -4.1] at 24 months) compared to the control group (-3.4 [95% CI -4.5 to -2.4] at 12 months, -2.5 [95% CI -3.5 to -1.5] at 24 months). Early attendance was higher for people ≥70 years, but there was no evidence of a difference by gender, ethnicity, education, or income. CONCLUSIONS Greater attendance at a community weight loss programme in the first 12 weeks is associated with enhanced weight loss up to 24 months. Regular attendance at a programme could be used as a criterion for continued provision of weight loss services to maximise the cost-effectiveness of interventions.
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Affiliation(s)
- Carmen Piernas
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom,
| | - Fiona MacLean
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Paul Aveyard
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Amy L Ahern
- MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Jenny Woolston
- MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Emma J Boyland
- Department of Psychological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Jason C G Halford
- Department of Psychological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Susan A Jebb
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
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Horne JR, Gilliland JA, O'Connor CP, Seabrook JA, Madill J. Change in Weight, BMI, and Body Composition in a Population-Based Intervention Versus Genetic-Based Intervention: The NOW Trial. Obesity (Silver Spring) 2020; 28:1419-1427. [PMID: 32935529 DOI: 10.1002/oby.22880] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 12/24/2022]
Abstract
OBJECTIVE The aim of this study was to compare changes in body fat percentage (BFP), weight, and BMI between a standard intervention and a nutrigenomics intervention. METHODS The Nutrigenomics, Overweight/Obesity and Weight Management (NOW) trial is a parallel-group, pragmatic, randomized controlled clinical trial incorporated into the Group Lifestyle BalanceTM (GLB) Program. Statistical analyses included two-way ANOVA and split-plot ANOVA. Inclusion criteria consisted of: BMI ≥ 25.0 kg/m2 , ≥18 years of age, English speaking, willing to undergo genetic testing, having internet access, and not seeing another health care provider for weight-loss advice outside of the study. Pregnancy and lactation were exclusion criteria. GLB groups were randomly assigned 1 to 1 (N = 140) so that participants received either the standard 12-month GLB program or a modified 12-month program (GLB plus nutrigenomics), which included the provision of nutrigenomics information and advice for weight management. The primary outcome was percent change in BFP. Secondary outcomes were change in weight and BMI. RESULTS The GLB plus nutrigenomics group experienced significantly (P < 0.05) greater reductions in percent and absolute BFP at the 3-month follow-up and percent BFP at the 6-month follow-up compared with the standard GLB group. CONCLUSIONS The nutrigenomics intervention used in the NOW trial can optimize change in body composition up to 6 months.
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Affiliation(s)
- Justine R Horne
- Graduate Program in Health and Rehabilitation Sciences, The University of Western Ontario, London, Ontario, Canada
- The East Elgin Family Health Team, Aylmer, Ontario, Canada
- Human Environments Analysis Laboratory, The University of Western Ontario, London, Ontario, Canada
| | - Jason A Gilliland
- Human Environments Analysis Laboratory, The University of Western Ontario, London, Ontario, Canada
- School of Health Studies, The University of Western Ontario, London, Ontario, Canada
- Department of Paediatrics, The University of Western Ontario, London, Ontario, Canada
- Department of Geography, The University of Western Ontario, London, Ontario, Canada
- Lawson Health Research Institute, London, Ontario, Canada
- Children's Health Research Institute, London, Ontario, Canada
- Department of Epidemiology and Biostatistics, The University of Western Ontario, London, Ontario, Canada
| | - Colleen P O'Connor
- Human Environments Analysis Laboratory, The University of Western Ontario, London, Ontario, Canada
- Lawson Health Research Institute, London, Ontario, Canada
- School of Food and Nutritional Sciences, Brescia University College, The University of Western Ontario, London, Ontario, Canada
| | - Jamie A Seabrook
- Human Environments Analysis Laboratory, The University of Western Ontario, London, Ontario, Canada
- Department of Paediatrics, The University of Western Ontario, London, Ontario, Canada
- Lawson Health Research Institute, London, Ontario, Canada
- Children's Health Research Institute, London, Ontario, Canada
- Department of Epidemiology and Biostatistics, The University of Western Ontario, London, Ontario, Canada
- School of Food and Nutritional Sciences, Brescia University College, The University of Western Ontario, London, Ontario, Canada
| | - Janet Madill
- Human Environments Analysis Laboratory, The University of Western Ontario, London, Ontario, Canada
- Lawson Health Research Institute, London, Ontario, Canada
- School of Food and Nutritional Sciences, Brescia University College, The University of Western Ontario, London, Ontario, Canada
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Developing evidence-based behavioural strategies to overcome physiological resistance to weight loss in the general population. Proc Nutr Soc 2020; 78:576-589. [PMID: 31670628 DOI: 10.1017/s0029665119001083] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Physiological and behavioural systems are tolerant of excess energy intake and responsive to energy deficits. Weight loss (WL) changes body structure, physiological function and energy balance (EB) behaviours, which resist further WL and promote subsequent weight regain. Measuring and understanding the response of EB systems to energy deficits is important for developing evidence-based behaviour change interventions for longer-term weight management. Currently, behaviour change approaches for longer-term WL show modest effect sizes. Self-regulation of EB behaviours (e.g. goal setting, action plans, self-monitoring, relapse prevention plans) and aspects of motivation are important for WL maintenance. Stress management, emotion regulation and food hedonics may also be important for relapse prevention, but the evidence is less concrete. Although much is known about the effects of WL on physiological and psychological function, little is known about the way these dynamic changes affect human EB behaviours. Key areas of future importance include (i) improved methods for detailed tracking of energy expenditure, balance and by subtraction intake, using digital technologies, (ii) how WL impacts body structure, function and subsequent EB behaviours, (iii) how behaviour change approaches can overcome physiological resistance to WL and (iv) who is likely to maintain WL or relapse. Modelling physiological and psychological moderators and mediators of EB-related behaviours is central to understanding and improving longer-term weight and health outcomes in the general population.
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Long-Term Effects of Vitamin D Supplementation in Obese Children During Integrated Weight-Loss Programme-A Double Blind Randomized Placebo-Controlled Trial. Nutrients 2020; 12:nu12041093. [PMID: 32326621 PMCID: PMC7230345 DOI: 10.3390/nu12041093] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 12/18/2022] Open
Abstract
Background: Vitamin D was studied in regards to its possible impact on body mass reduction and metabolic changes in adults and children with obesity yet there were no studies assessing the impact of vitamin D supplementation during a weight management program in children and adolescence. The aim of our study was to assess the influence of 26 weeks of vitamin D supplementation in overweight and obese children undergoing an integrated 12–months’ long weight loss program on body mass reduction, body composition and bone mineral density. Methods: A double–blind randomized placebo–controlled trial. Vitamin D deficient patients (<30 ng/ml level of vitamin D) aged 6–14, participating in multidisciplinary weight management program were randomly allocated to receiving vitamin D (1200 IU) or placebo for the first 26 weeks of the intervention. Results: Out of the 152 qualified patients, 109 (72%) completed a full cycle of four visits scheduled in the program. There were no difference in the level of BMI (body mass index) change – both raw BMI and BMI centiles. Although the reduction of BMI centiles was greater in the vitamin D vs. placebo group (−4.28 ± 8.43 vs. −2.53 ± 6.10) the difference was not statistically significant (p = 0.319). Similarly the reduction in fat mass—assessed both using bioimpedance and DEXa was achieved, yet the differences between the groups were not statistically significant. Conclusions: Our study ads substantial results to support the thesis on no effect of vitamin D supplementation on body weight reduction in children and adolescents with vitamin D insufficiency undergoing a weight management program.
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Tejpal S, Sanghera N, Manoharan V, Planas-Iglesias J, Bastie CC, Klein-Seetharaman J. Angiotensin Converting Enzyme (ACE): A Marker for Personalized Feedback on Dieting. Nutrients 2020; 12:E660. [PMID: 32121233 PMCID: PMC7146434 DOI: 10.3390/nu12030660] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 02/23/2020] [Accepted: 02/25/2020] [Indexed: 12/26/2022] Open
Abstract
Angiotensin Converting Enzyme (ACE) expression and activity is associated with obesity. ACE is a circulating factor that predicts sustained weight loss over a time frame of months. Here, we evaluate whether ACE might also be an early marker (over a 24-hour period) for weight loss. 32 participants (78% females; BMI 28.47 ± 4.87kg/m2) followed a 1200KCal diet with an optional daily (<250KCal) snack and were asked to use an in-house generated health platform to provide recordings of food intake, physical activity and urine collection time and volume. Following a day of dieting, ACE levels in urine negatively correlated with weight loss (p = 0.015 ). This reduction in ACE levels was significantly more robust in individuals with a BMI > 25 (p = 0.0025 ). This study demonstrated that ACE levels correlate with BMI and weight loss as early as after 1 day of dieting, and thus ACE could be a potential early "biofeedback" marker for weight loss and diet efficiency.
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Affiliation(s)
- Shilpa Tejpal
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
| | - Narinder Sanghera
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
| | - Vijayalaxmi Manoharan
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
- Institute for Digital Healthcare, Warwick Manufacturing Group, University of Warwick, Coventry CV4 7A, UK
| | - Joan Planas-Iglesias
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
| | - Claire C Bastie
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
| | - Judith Klein-Seetharaman
- Systems Biology and Biomedicine, Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK; (S.T.); (N.S.); (V.M.); (J.P.-I.); (C.C.B.)
- Institute for Digital Healthcare, Warwick Manufacturing Group, University of Warwick, Coventry CV4 7A, UK
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Abaasa A, Todd J, Nash S, Mayanja Y, Kaleebu P, Fast PE, Price M. Comparison of retention in observational cohorts and nested simulated HIV vaccine efficacy trials in the key populations in Uganda. BMC Med Res Methodol 2020; 20:32. [PMID: 32050900 PMCID: PMC7014936 DOI: 10.1186/s12874-020-00920-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 02/06/2020] [Indexed: 12/03/2022] Open
Abstract
Background Outcomes in observational studies may not best estimate those expected in the HIV vaccine efficacy trials. We compared retention in Simulated HIV Vaccine Efficacy Trials (SiVETs) and observational cohorts drawn from two key populations in Uganda. Methods Two SiVETs were nested within two observational cohorts, one in Fisherfolk (FF) and another one in Female Sex Workers (FSW). Adult participants in each observational cohort were screened for enrolment into SiVETs. Those screened-out or not screened continued participation in the observational (non-SiVET) cohorts. SiVET participants were administered a licensed hepatitis B vaccine in a schedule that mimicked an actual HIV vaccine efficacy trial. Both cohorts were followed for 12 months and retention was assessed through dropout, defined as lost to follow up, being uncontactable, refusal to continue or missing the last study clinic visit. Dropout rates were compared using Poisson models giving rate ratios and 95% confidence intervals (95%CI). Results Out of 1525 participants (565 FF and 960 FSW), 572 (38%) were enrolled into SiVETs (282-FF and 290-FSW), and 953 (62%) remained in the non-SiVET cohorts. Overall, 326 (101 SiVET, 225 non-SiVET) dropped out in 1260 Person Years of Observation (PYO), a dropout rate of 25.9 /100 PYO (95%CI: 23.2–28.8); fewer dropped out in the SiVET cohorts (18.4, 95% CI: 15.1–22.4) than in the non-SiVET cohorts (31.6, 95% CI: 27.8–36.1), rate ratio (RR) =0.58, 95% CI: 0.46–0.73. In all cohorts, the dropout was more marked in FSW than in FF population. Duration lived in community was associated with dropout in both SiVETs and religion in both non-SiVET cohorts. Conclusion The rate of dropout was lower in SiVET compared to non-SiVET cohort. Though the difference in dropout between SiVET and non-SiVET was generally similar, the actual dropout rates were higher in the FSW population. Conduct of SiVETs in these key populations could mean that designing HIV Vaccine Efficacy Trials will benefit from lower dropout rate shown in SiVET than non-SiVET observational cohort.
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Affiliation(s)
- Andrew Abaasa
- MRC/UVRI & LSHTM Uganda Research Unit, Entebbe, Uganda. .,London School of Hygiene and Tropical Medicine, London, UK.
| | - Jim Todd
- London School of Hygiene and Tropical Medicine, London, UK
| | - Stephen Nash
- London School of Hygiene and Tropical Medicine, London, UK
| | - Yunia Mayanja
- MRC/UVRI & LSHTM Uganda Research Unit, Entebbe, Uganda
| | | | - Patricia E Fast
- International AIDS Vaccine Initiative, New York, USA.,Pediatric Infectious Diseases, School of Medicine, Stanford University, Palo Alto, California, USA
| | - Matt Price
- International AIDS Vaccine Initiative, New York, USA.,Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, USA
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Fielding-Singh P, Patel ML, King AC, Gardner CD. Baseline Psychosocial and Demographic Factors Associated with Study Attrition and 12-Month Weight Gain in the DIETFITS Trial. Obesity (Silver Spring) 2019; 27:1997-2004. [PMID: 31633313 PMCID: PMC6868338 DOI: 10.1002/oby.22650] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 08/26/2019] [Indexed: 01/10/2023]
Abstract
OBJECTIVE The purpose of this study was to examine correlates of failure-trial attrition and weight gain-in a randomized clinical weight-loss trial. METHODS The Diet Intervention Examining The Factors Interacting with Treatment Success (DIETFITS) trial included 609 adults (18-50 years; BMI 28-40). Participants were randomized to a 12-month healthy low-fat or healthy low-carbohydrate diet for weight loss. At baseline, participants completed psychosocial, demographic, and anthropometric measures. Stepwise logistic regressions identified baseline factors associated with (1) study attrition and (2) among trial completers, weight gain at 12 months. RESULTS Having higher baseline food addiction and self-efficacy was linked to treatment failure. Being younger, not having a college education, having higher outcome expectations and quality of life, and having lower social functioning and self-control increased the odds of trial attrition. Identifying as other than non-Hispanic white; not being married or cohabitating; having higher cognitive restraint and self-control; and having lower amotivation, family encouragement, and physical limitations increased the odds of gaining weight by treatment's end. CONCLUSIONS Participants' baseline psychosocial and demographic factors may support or impede successful weight loss. Trialists should attend to these factors when designing treatments in order to promote participants' likelihood of completing the trial and achieving their weight-loss goals.
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Affiliation(s)
- Priya Fielding-Singh
- Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States
| | - Michele L. Patel
- Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States
| | - Abby C. King
- Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States
- Department of Health Research & Policy, Stanford University School of Medicine, Stanford, California, United States
| | - Christopher D. Gardner
- Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States
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Atlantis E, Lin F, Anandabaskaran S, Fahey P, Kormas N. A predictive model for non-completion of an intensive specialist obesity service in a public hospital: a case-control study. BMC Health Serv Res 2019; 19:748. [PMID: 31651309 PMCID: PMC6814104 DOI: 10.1186/s12913-019-4531-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 09/12/2019] [Indexed: 11/10/2022] Open
Abstract
Background Despite the growing evidence base supporting intensive lifestyle and medical treatments for severe obesity, patient engagement in specialist obesity services is difficult to achieve and poorly understood. To address this knowledge gap, we aimed to develop a model for predicting non-completion of a specialist multidisciplinary service for clinically severe obesity, termed the Metabolic Rehabilitation Programme (MRP). Method Using a case-control study design in a public hospital setting, we extracted data from medical records for all eligible patients with a body mass index (BMI) of ≥35 kg/m2 with either type 2 diabetes or fatty liver disease referred to the MRP from 2010 through 2015. Non-completion status (case definition) was coded for patients whom started but dropped-out of the MRP within 12 months. Using multivariable logistic regression, we tested the following baseline predictors hypothesised in previous research: age, gender, BMI, waist circumference, residential distance from the clinic, blood pressure, obstructive sleep apnoea (OSA), current continuous positive airway pressure (CPAP) therapy, current depression/anxiety, diabetes status, and medications. We used receiver operating characteristics and area under the curve to test the performance of models. Results Out of the 219 eligible patient records, 78 (35.6%) non-completion cases were identified. Significant differences between non-completers versus completers were: age (47.1 versus 54.5 years, p < 0.001); residential distance from the clinic (21.8 versus 17.1 km, p = 0.018); obstructive sleep apnoea (OSA) (42.9% versus 56.7%, p = 0.050) and CPAP therapy (11.7% versus 28.4%, p = 0.005). The probability of non-completion could be independently associated with age, residential distance, and either OSA or CPAP. There was no statistically significant difference in performance between the alternate models (69.5% versus 66.4%, p = 0.57). Conclusions Non-completion of intensive specialist obesity management services is most common among younger patients, with fewer complex care needs, and those living further away from the clinic. Clinicians should be aware of these potential risk factors for dropping out early when managing outpatients with severe obesity, whereas policy makers might consider strategies for increasing access to specialist obesity management services.
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Affiliation(s)
- Evan Atlantis
- School of Nursing and Midwifery, Western Sydney University, Penrith, New South Wales, Australia. .,School of Medicine, The University of Adelaide, Adelaide, South Australia, Australia.
| | - Fang Lin
- Campbelltown and Camden Hospitals, Campbelltown, New South Wales, Australia
| | - Sulak Anandabaskaran
- Campbelltown and Camden Hospitals, Campbelltown, New South Wales, Australia.,Concord Repatriation General Hospital, Concord, New South Wales, Australia
| | - Paul Fahey
- School of Science and Health, Western Sydney University, Penrith, New South Wales, Australia
| | - Nic Kormas
- Campbelltown and Camden Hospitals, Campbelltown, New South Wales, Australia.,Concord Repatriation General Hospital, Concord, New South Wales, Australia
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Pavić E, Hadžiabdić MO, Mucalo I, Martinis I, Romić Ž, Božikov V, Rahelić D. Effect of the Mediterranean diet in combination with exercise on metabolic syndrome parameters: 1-year randomized controlled trial. INT J VITAM NUTR RES 2019; 89:132-143. [DOI: 10.1024/0300-9831/a000462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract. This work aimed to evaluate and compare the benefits of the energy restricted Mediterranean diet (MD) and Standard hypolipemic diet (SHD) accompanied by exercise on metabolic syndrome parameters. A 12-month, randomized, single-blinded, diet-controlled study was conducted on 124 obese participants in the University Hospital Dubrava. Participants were assigned to the MD (n = 63) or the SHD (n = 61) and received the same amount of nutritional education and guidance on physical activity. The completion rate was 67.7 %. Both diets produced significant beneficial changes in body weight and waist circumference (P < 0.001 for MD and SHD). Compared with the SHD, HDL cholesterol increased (P = 0.031) and systolic blood pressure (SBP) decreased (P = 0.020) in the MD group. Fasting plasma glucose decreased significantly in both diet groups (P < 0.001 for MD; P = 0.026 for SHD). Although both diets accompanied by physical activity yielded similar weight reduction results, adherence to the MD was associated with more prominent reduction of the MetS components, namely HDL level elevation and SBP reduction.
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Affiliation(s)
- Eva Pavić
- Department of Nutrition and Dietetics, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Maja Ortner Hadžiabdić
- Centre for Applied Pharmacy, University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Iva Mucalo
- Centre for Applied Pharmacy, University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Irena Martinis
- Department of Nutrition, University Hospital Dubrava, Zagreb, Croatia
| | - Željko Romić
- Clinical Department of Laboratory Diagnostics, Dubrava University Hospital, Zagreb, Croatia
| | - Velimir Božikov
- Department of Endocrinology, Diabetes and Metabolism Disorders, Dubrava University Hospital, Zagreb, Croatia
| | - Dario Rahelić
- Department of Endocrinology, Diabetes and Metabolism Disorders, Dubrava University Hospital, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
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Moffat H, Campbell F, Donald C, Insch P, Little S, Logan S, McCallum M. Evaluation of Weigh Forward: A group intervention delivered by dietitians and psychologists within a National Health Service specialist weight management service. Clin Obes 2019; 9:e12291. [PMID: 30589988 DOI: 10.1111/cob.12291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 11/21/2018] [Accepted: 11/24/2018] [Indexed: 11/30/2022]
Abstract
There is limited evidence of the effectiveness of non-surgical interventions for severe obesity. Our aim was to evaluate a group intervention delivered by a National Health Service (NHS) specialist weight management service to contribute to the evidence base and inform the development of future services. Participants in this prospective cohort study were patients attending NHS Grampian Specialist Weight Management Services. The intervention was an interactive 12-session group programme based on evidence-based psychological model, with combined dietetic and psychological knowledge and support provided. The primary outcome was mean weight change at the end of the intervention and for 12-mo follow-up (including programme completers, baseline observation carried forward [BOCF], last observation carried forward). Secondary outcome measures included mood, anxiety, binge eating and quality of life. A total of 166 patients accepted a place on the group programme, mean body mass index was 48.9 kg/m2 . Mean weight loss at 6 mo was 5.6 kg and 35.2% of those who completed the group (n = 88) lost ≥5%. Using BOCF, 18.7% lost ≥5% at 6 mo. Those who remained in the programme maintained their weight loss 12 and 18 mo after the start of the intervention. Significant improvements were also found in psychological variables, including reduced depression, anxiety, binge eating and improved emotion regulation. This real-world evaluation of an NHS intervention for patients with severe obesity suggests that individuals who engage achieve a moderate weight loss, which most maintain a year later, although further research is needed to strengthen this conclusion.
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Affiliation(s)
- Helen Moffat
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Fiona Campbell
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Claire Donald
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Pauline Insch
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Sophie Little
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Susan Logan
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
| | - Mary McCallum
- Adult Weight Management Services, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
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Ogata K, Koyama KI, Amitani M, Amitani H, Asakawa A, Inui A. The Effectiveness of Cognitive Behavioral Therapy With Mindfulness and an Internet Intervention for Obesity: A Case Series. Front Nutr 2018; 5:56. [PMID: 30013974 PMCID: PMC6036279 DOI: 10.3389/fnut.2018.00056] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 06/11/2018] [Indexed: 12/03/2022] Open
Abstract
It is difficult for obese (body mass index of more than 30) and overweight (body mass index of 25–30) people to reduce and maintain their weight. The aim of this case series was to examine the effectiveness of a new cognitive behavioral therapy (CBT) program that combines mindfulness exercises (e.g., the raisin exercise and breathing exercises) and an online intervention to prevent dropout and subsequent weight gain in overweight participants. This case series included three participants, for whom previous weight reduction programs had been unsuccessful. All participants completed the program (60-min, group sessions provided weekly for 9 weeks) and an 18-month follow-up assessment. Results showed that all participants succeeded in losing weight (loss ranged from 5.30 to 8.88% of their total body weight). Although rebound weight gain is commonly observed in the first year following initial weight loss, the follow-up assessment showed that participants achieved further weight loss during the 18-month follow-up period. These results suggest that a CBT program that comprises mindfulness and an online intervention may be an effective method for weight loss and maintenance, and may prevent dropout in obese and overweight individuals. Trial Registration: This case series was registered at www.umin.ac.jp with identifier UMIN000029664.
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Affiliation(s)
- Keizaburo Ogata
- Department of Clinical Psychology, Kitasato University East Hospital, Sagamihara, Japan.,Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Ken I Koyama
- Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.,Faculty of Integrated Human Studies and Social Sciences, Fukuoka Prefectural University Graduate School of Human and Social Sciences, Fukuoka, Japan
| | - Marie Amitani
- Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan.,Education Center for Doctors in Remote Islands and Rural Areas, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Haruka Amitani
- Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Akihiro Asakawa
- Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Akio Inui
- Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
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Fokkema T, Hartgens F, Kluitenberg B, Verhagen E, Backx FJG, van der Worp H, Bierma-Zeinstra SMA, Koes BW, van Middelkoop M. Reasons and predictors of discontinuation of running after a running program for novice runners. J Sci Med Sport 2018; 22:106-111. [PMID: 29934211 DOI: 10.1016/j.jsams.2018.06.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 06/06/2018] [Accepted: 06/11/2018] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To determine the proportion of participants of a running program for novice runners that discontinued running and investigate the main reasons to discontinue and characteristics associated with discontinuation. DESIGN Prospective cohort study. METHODS The study included 774 participants of Start to Run, a 6-week running program for novice runners. Before the start of the program, participants filled-in a baseline questionnaire to collect information on demographics, physical activity and perceived health. The 26-weeks follow-up questionnaire was used to obtain information on the continuation of running (yes/no) and main reasons for discontinuation. To determine predictors for discontinuation of running, multivariable logistic regression was performed. RESULTS Within 26 weeks after the start of the 6-week running program, 29.5% of the novice runners (n=225) had stopped running. The main reason for discontinuation was a running-related injury (n=108, 48%). Being female (OR 1.74; 95% CI 1.13-2.68), being unsure about the continuation of running after the program (OR 2.06; 95% CI 1.31-3.24) and (almost) no alcohol use (OR 1.62; 95%CI 1.11-2.37) were associated with a higher chance of discontinuation of running. Previous running experience less than one year previously (OR 0.46; 95% CI 0.26-0.83) and a higher score on the RAND-36 subscale physical functioning (OR 0.98; 95% CI 0.96-0.99) were associated with a lower chance of discontinuation. CONCLUSIONS In this group of novice runners, almost one-third stopped running within six months. A running-related injury was the main reason to stop running. Women with a low perceived physical functioning and without running experience were prone to discontinue running.
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Affiliation(s)
- Tryntsje Fokkema
- Department of General Practice, Erasmus MC, University Medical Center Rotterdam, The Netherlands.
| | - Fred Hartgens
- Departments of Epidemiology and Surgery, Research School CAPHRI, Maastricht University Medical Center+, Sports Medicine Center Maastricht, The Netherlands
| | - Bas Kluitenberg
- Center for Sports Medicine, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Evert Verhagen
- Amsterdam Collaboration on Health & Safety in Sports, Department of Public and Occupational Health, Amsterdam Movement Sciences, VU University Medical Center Amsterdam, The Netherlands
| | - Frank J G Backx
- Department of Rehabilitation, Physical Therapy Science & Sports, Rudolf Magnus Institute of Neurosciences, University Medical Center Utrecht, The Netherlands
| | - Henk van der Worp
- Center for Sports Medicine, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Sita M A Bierma-Zeinstra
- Department of General Practice, Erasmus MC, University Medical Center Rotterdam, The Netherlands; Department of Orthopedics, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Bart W Koes
- Department of General Practice, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Marienke van Middelkoop
- Department of General Practice, Erasmus MC, University Medical Center Rotterdam, The Netherlands
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Coutinho SR, Halset EH, Gåsbakk S, Rehfeld JF, Kulseng B, Truby H, Martins C. Compensatory mechanisms activated with intermittent energy restriction: A randomized control trial. Clin Nutr 2018; 37:815-823. [DOI: 10.1016/j.clnu.2017.04.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Revised: 03/22/2017] [Accepted: 04/03/2017] [Indexed: 12/19/2022]
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40
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Early weight loss outcomes from a newly established hospital-affiliated specialized obesity care delivery model in Central Florida. Int J Obes (Lond) 2018; 43:132-138. [PMID: 29795471 DOI: 10.1038/s41366-018-0092-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 02/28/2018] [Accepted: 03/25/2018] [Indexed: 12/31/2022]
Abstract
SIGNIFICANCE We evaluated weight loss outcomes in a newly established hospital-affiliated, physician-directed multidisciplinary, and personalized obesity care model. METHODS Fifty established patients in a specialized obesity medicine practice underwent intensive lifestyle intervention ±adjunctive pharmacotherapy (46/50) for >6 consecutive months and when required, psychological intervention. We identified demographics, obesity-related comorbidities, anthropometric changes over time, and laboratory screen. Psychosocial status was determined using Beck Depression Inventory-II (BDI-II), Brownell-Stunkard Weight-Loss Readiness Test, and Impact of Weight on Quality of Life-Lite (IWQOL). RESULTS Patient characteristics (mean ± SD) were: 70% female; age 47.0 ± 16.4 y; weight 111.55 ± 32.8 kg; BMI 39.3 ± 8.8 kg/m2; % body fat 45.5 ± 6.3. Patients had attempted at least one diet prior to seeking tertiary obesity care and averaged 2.5 major co-morbidities. In regards to health status, 74% were insulin resistant [HOMA]; 12% had Type 2 DM (HbA1c > 6.5%); 46% were hypertensive; 48% had dyslipidemia, 38% were vitamin D deficient; 44% were depressed (BDI-II). Weight loss at 3 and 6 months averaged -4.18 and -7.88 kg and percentage changes in BMI a respective -4.39 and -7.74% (p < 0.0001). Forty percentage were early responders (ER), having lost ≥ 5% of their initial weight 3 months into the program. Total weight loss for ER vs. non-responders (NR) at 3 months was -7.90 and -1.71 kg, respectively (p < 0.0001) and mean % BMI changes from baseline were a respective -7.77 and -1.88%. CONCLUSIONS Organized hospital-affiliated specialized obesity care delivery models can be successful in personalized obesity treatment. These types of medical programs for complicated obesity are likely to reduce impediments to addressing obesity effectively.
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Lan L, Harrison CL, Misso M, Hill B, Teede HJ, Mol BW, Moran LJ. Systematic review and meta-analysis of the impact of preconception lifestyle interventions on fertility, obstetric, fetal, anthropometric and metabolic outcomes in men and women. Hum Reprod 2018; 32:1925-1940. [PMID: 28854715 DOI: 10.1093/humrep/dex241] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 06/21/2017] [Indexed: 11/14/2022] Open
Abstract
STUDY QUESTION What is the impact of preconception lifestyle interventions on live birth, birth weight and pregnancy rate? SUMMARY ANSWER Lifestyle interventions showed benefits for weight loss and increased natural pregnancy rate, but not for live birth or birth weight. WHAT IS KNOWN ALREADY Evidence on the practice and content of preconception counseling and interventions is variable and limited. STUDY DESIGN, SIZE, DURATION Systematic review and meta-analysis (MA). Main search terms were those related to preconception lifestyle. Database searched were Ovid MEDLINE(R), EBM Reviews, PsycINFO, EMBASE and CINAHL Plus. No language restriction was placed on the published articles. The final search was performed on 10 January 2017. PARTICIPANTS/MATERIALS, SETTING, METHODS Participants were non-pregnant women of childbearing age intent on conceiving or their male partners. Exclusion criteria include participants with BMI < 18 kg/m2, animal trials, hereditary disorder in one or both partners and trials focusing solely on alcohol or smoking cessation/reduction, micronutrient supplementation, or diabetes control. Anthropometric, fertility, obstetric and fetal outcomes were assessed. Bias and quality assessments were performed. MAIN RESULTS AND THE ROLE OF CHANCE The search returned 1802 articles and eight studies were included for analysis. Populations targeted were primarily overweight or obese subfertile women seeking reproductive assistance, with few community-based studies and none including men. MA showed greater reduction in weight (n = 3, P < 0.00001, mean difference: -3.48 kg, 95% CI: -4.29, -2.67, I2 = 0%) and BMI (n = 2, P < 0.00001, mean difference: -1.40 kg/m2, 95% CI: -1.95, -0.84, I2 = 24%) with intervention. The only significant fertility outcome was an increased natural pregnancy rate (n = 2, P = 0.003, odds ratio: 1.87, CI: 1.24, 2.81, I2 = 0%). No differences were observed for ART adverse events, clinical pregnancy, pregnancy complications, delivery complications, live birth, premature birth, birth weight, neonatal mortality or anxiety. Risk of bias were high for three studies, moderate for three studies and low for two studies, Attrition bias was moderate or high in majority of studies. LIMITATIONS, REASONS FOR CAUTION Results were limited to subfertile or infertile women who were overweight or obese undergoing ART with no studies in men. The heterogeneous nature of the interventions in terms of duration and regimen means no conclusions could be made regarding the method or components of optimal lifestyle intervention. Attrition bias itself is an important factor that could affect efficacy of interventions. WIDER IMPLICATIONS OF THE FINDINGS Existing preconception lifestyle interventions primarily targeted overweight and obese subfertile women undergoing ART with a focus on weight loss. It is important to note that natural conception increased with lifestyle intervention. This emphasizes the need for further research exploring optimal components of preconception lifestyle interventions in the broader population and on the optimal nature, intensity and timing of interventions. STUDY FUNDING/COMPETING INTEREST(S) No conflict of interest declared. C.L.H. is a National Heart Foundation Postdoctoral Research Fellow. B.H. is funded by an Alfred Deakin Postdoctoral Research Fellowship. H.J.T. and B.W.M. hold NHMRC Practitioner fellowships. L.J.M. is supported by a SACVRDP Fellowship; a program collaboratively funded by the NHF, the South Australian Department of Health and the South Australian Health and Medical Research Institute. PROSPERO REGISTRATION NUMBER CRD42015023952.
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Affiliation(s)
- L Lan
- Monash Diabetes, Monash Health, 246 Clayton Road, Clayton VIC 3168, Australia.,Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Locked Bag 29, Clayton VIC 3168, Australia
| | - C L Harrison
- Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Locked Bag 29, ClaytonVIC 3168, Australia
| | - M Misso
- Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Locked Bag 29, ClaytonVIC 3168, Australia
| | - B Hill
- School of Psychology, Deakin University, Geelong, Locked Bag 20000VIC, 3220, Australia
| | - H J Teede
- Monash Diabetes, Monash Health, 246 Clayton Road, Clayton VIC 3168, Australia.,Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Locked Bag 29, Clayton VIC 3168, Australia
| | - B W Mol
- Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, 55 King William Street, North Adelaide SA 5006, Australia, Locked Bag 29, ClaytonVIC 3168, Australia
| | - L J Moran
- Monash Centre for Health Research and Implementation, School of Public Health and Preventative Medicine, Monash University, Locked Bag 29, Clayton VIC 3168, Australia.,Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, 55 King William Street, North Adelaide SA 5006, Australia, Locked Bag 29, Clayton VIC 3168, Australia
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Rosenbaum M, Agurs-Collins T, Bray MS, Hall KD, Hopkins M, Laughlin M, MacLean PS, Maruvada P, Savage CR, Small DM, Stoeckel L. Accumulating Data to Optimally Predict Obesity Treatment (ADOPT): Recommendations from the Biological Domain. Obesity (Silver Spring) 2018; 26 Suppl 2:S25-S34. [PMID: 29575784 PMCID: PMC6945498 DOI: 10.1002/oby.22156] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 02/12/2018] [Accepted: 02/12/2018] [Indexed: 01/01/2023]
Abstract
BACKGROUND The responses to behavioral, pharmacological, or surgical obesity treatments are highly individualized. The Accumulating Data to Optimally Predict obesity Treatment (ADOPT) project provides a framework for how obesity researchers, working collectively, can generate the evidence base needed to guide the development of tailored, and potentially more effective, strategies for obesity treatment. OBJECTIVES The objective of the ADOPT biological domain subgroup is to create a list of high-priority biological measures for weight-loss studies that will advance the understanding of individual variability in response to adult obesity treatments. This list includes measures of body composition, energy homeostasis (energy intake and output), brain structure and function, and biomarkers, as well as biobanking procedures, which could feasibly be included in most, if not all, studies of obesity treatment. The recommended high-priority measures are selected to balance needs for sensitivity, specificity, and/or comprehensiveness with feasibility to achieve a commonality of usage and increase the breadth and impact of obesity research. SIGNIFICANCE The accumulation of data on key biological factors, along with behavioral, psychosocial, and environmental factors, can generate a more precise description of the interplay and synergy among them and their impact on treatment responses, which can ultimately inform the design and delivery of effective, tailored obesity treatments.
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Affiliation(s)
- Michael Rosenbaum
- Columbia University, Vagelos College of Physicians & Surgeons, New York, New York, USA
| | - Tanya Agurs-Collins
- National Cancer Institute, National Institutes of Health, Rockville, Maryland, USA
| | - Molly S Bray
- Department of Nutritional Sciences, University of Texas at Austin, Austin, Texas, USA
| | - Kevin D Hall
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Mark Hopkins
- School of Food Science and Nutrition, University of Leeds, Leeds, England
| | - Maren Laughlin
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Paul S MacLean
- School of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Padma Maruvada
- School of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Cary R Savage
- Center for Brain, Biology and Behavior, Department of Psychology, University of Nebraska, Lincoln, Nebraska, USA
| | - Dana M Small
- Yale University Medical School, New Haven, Connecticut, USA
| | - Luke Stoeckel
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA
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First-Year University Students Who Self-Select into Health Studies Have More Desirable Health Measures and Behaviors at Baseline but Experience Similar Changes Compared to Non-Self-Selected Students. Nutrients 2018; 10:nu10030362. [PMID: 29547538 PMCID: PMC5872780 DOI: 10.3390/nu10030362] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 03/12/2018] [Accepted: 03/14/2018] [Indexed: 11/16/2022] Open
Abstract
Studies demonstrate that first-year university students are at high risk for weight gain. These reports typically rely on self-selected participants. The purpose of this study was to explore if students who chose to participate in a health-based research study had more desirable health measures and behaviors than students who completed health assessments as part of a first-year seminar course. Health measures included blood pressure (BP), body mass index (BMI), and percent body fat. Health behaviors included dietary patterns (Starting the Conversation questionnaire) and alcohol use (Alcohol Use Disorders Identification Test-Consumption). A total of 191 (77% female) participants completed testing in the self-selected “Health Study” group, whereas 73 of the 91 students (80%, 55% female) enrolled in the “Seminar” allowed their data to be used for research purposes. Baseline measures favored Health Study participants, including but not limited to fewer participants with undesirable BMI (≥25.0 kg/m2; males and females) and a smaller percentage of participants with undesirable BP (systolic ≥120 mmHg and/or diastolic ≥80 mmHg; females only). Differences in dietary behaviors at baseline were inconsistent, but Seminar students engaged in more problematic alcohol-use behaviors. While both groups experienced undesirable changes in health measures over time, the degree of change did not differ between groups. Changes in health behaviors over time typically resulted in undesirable changes in the Seminar group, but the magnitude of change over time did not differ between groups. Thus, results from first-year university students who self-select into health studies likely underestimate the seriousness of undesirable health measures and behaviors but may accurately reflect the degree of change over time.
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44
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Podina IR, Fodor LA, Cosmoiu A, Boian R. An evidence-based gamified mHealth intervention for overweight young adults with maladaptive eating habits: study protocol for a randomized controlled trial. Trials 2017; 18:592. [PMID: 29233169 PMCID: PMC5727945 DOI: 10.1186/s13063-017-2340-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 11/08/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Cognitive behavior therapy (CBT) is the first-line of treatment for overweight and obesity patients whose problems originate in maladaptive eating habits (e.g., emotional eating). However, in-person CBT is currently difficult to access by large segments of the population. The proposed SIGMA intervention (i.e., the Self-help, Integrated, and Gamified Mobile-phone Application) is a mHealth intervention based on CBT principles. It specifically targets overweight young adults with underlying maladaptive behaviors and cognitions regarding food. The SIGMA app was designed as a serious game and intended to work as a standalone app for weight maintenance or alongside a calorie-restrictive diet for weight loss. It uses a complex and novel scoring system that allows points earned within the game to be supplemented by points earned during outdoor activities with the help of an embedded pedometer. METHODS/DESIGN The efficacy of the SIGMA mHealth intervention will be investigated within a randomized, placebo-controlled trial. The intervention will be set to last 2 months with a 3-month follow-up. Selected participants will be young overweight adults with non-clinical maladaptive eating habits embodied by food cravings, binge eating, and emotional eating. The primary outcomes will be represented by changes in (1) self-reported maladaptive thoughts related to eating and body weight, (2) self-reported maladaptive eating behaviors in the range of urgent food cravings, emotional eating or binge eating, (3) as well as biased attentional processing of food items as indexed by reaction times. Secondary outcomes will be represented by changes in weight, Body Mass Index, general mood, and physical activity as indexed by the number of steps per day. DISCUSSION Through an evidence-based cognitive behavioral approach and a user-friendly game interface, the SIGMA intervention offers a significant contribution to the development of a cost-effective and preventive self-help tool for young overweight adults with maladaptive eating habits. TRIAL REGISTRATION ISRCTN, ID: 70907354 . Registered on 6 February 2017. The ISRCTN registration is in line with the World Health Organization Trial Registration Data Set. The present paper represents the original version of the protocol. Any changes to the protocol will be communicated to ISRCTN.
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Affiliation(s)
- Ioana R. Podina
- Laboratory of Cognitive Clinical Sciences, Department of Psychology, University of Bucharest, 90 Panduri Street, Bucharest, 050657 Romania
- International Institute for The Advanced Studies of Psychotherapy and Applied Mental Health, Babeș-Bolyai University, 37 Republicii Street, Cluj-Napoca, 400015 Romania
| | - Liviu A. Fodor
- International Institute for The Advanced Studies of Psychotherapy and Applied Mental Health, Babeș-Bolyai University, 37 Republicii Street, Cluj-Napoca, 400015 Romania
- Evidence-Based Psychological Assessment and Interventions Doctoral School, Babeș-Bolyai University, 37 Republicii Street, Cluj-Napoca, 400015 Romania
| | - Ana Cosmoiu
- Laboratory of Cognitive Clinical Sciences, Department of Psychology, University of Bucharest, 90 Panduri Street, Bucharest, 050657 Romania
| | - Rareș Boian
- Department of Computer Science, Babeş-Bolyai University, Mihail Kogălniceanu Street, Cluj-Napoca, 400084 Romania
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Steele T, Narayanan RP, James M, James J, Mazey N, Wilding JPH. Evaluation of Aintree LOSS, a community-based, multidisciplinary weight management service: outcomes and predictors of engagement. Clin Obes 2017; 7:368-376. [PMID: 28871633 DOI: 10.1111/cob.12216] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 06/26/2017] [Accepted: 07/19/2017] [Indexed: 11/30/2022]
Abstract
Aintree LOSS is a community-based, multidisciplinary weight management programme for patients with severe and complex obesity, focusing on a flexible and individualized service with follow-up for up to 2 years. We evaluated all 2472 patients referred to the service between October 2009 and 2013. Demographic data were recorded at baseline, with the Index of Multiple Deprivation (IMD) used to measure socioeconomic deprivation. Weight was recorded at each visit. Mean body mass index at baseline was 45.6 (standard deviation 6.8), and 58.9% of patients lived in areas in the most deprived decile nationally. Of 2315 appropriate referrals, 1249 (55.1%) attended >2 visits; mean final weight loss was 3.50 ± 8.55 kg, and 24.1% achieved ≥5% weight loss. Of the patients, 754 (33.3%) attended for over 6 months; mean final weight loss was 4.94 ± 10 kg, and 34% achieved 5% weight loss. Multivariate logistic regression analysis showed increasing age, residence in a less deprived area and sleep apnoea to be independently associated with attendance for >6 months, and there was a linear relationship between 6-month attendance and deprivation quintile. Year-on-year analyses showed improvement in engagement over time, coinciding with efforts to improve access to the service. This work shows a multidisciplinary, community-based weight loss programme prioritizing a fully flexible and individualized approach functioning effectively in real-world practice. Maintaining engagement remains a challenge in weight loss programmes, and our results suggest younger patients living in areas with greater deprivation should be a target for efforts to improve engagement.
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Affiliation(s)
- T Steele
- Obesity and Endocrinology Research, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - R P Narayanan
- Obesity and Endocrinology Research, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - M James
- Aintree Weight Management Services, Aintree University Hospital, Liverpool, UK
| | - J James
- Aintree Weight Management Services, Aintree University Hospital, Liverpool, UK
| | - N Mazey
- Brownlow Group Practice, Liverpool, UK
| | - J P H Wilding
- Obesity and Endocrinology Research, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
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Presurgical weight loss affects tumour traits and circulating biomarkers in men with prostate cancer. Br J Cancer 2017; 117:1303-1313. [PMID: 28881355 PMCID: PMC5672928 DOI: 10.1038/bjc.2017.303] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 07/27/2017] [Accepted: 08/09/2017] [Indexed: 01/11/2023] Open
Abstract
Background: Obesity is associated with aggressive prostate cancer. To explore whether weight loss favourably affects tumour biology and other outcomes, we undertook a presurgical trial among overweight and obese men with prostate cancer. Methods: This single-blinded, two-arm randomised controlled trial explored outcomes of a presurgical weight loss intervention (WLI) that promoted ∼1 kg per week loss via caloric restriction and increased physical activity (PA). Forty overweight/obese men with clinically confirmed prostate cancer were randomised to the WLI presurgery or to a control arm; changes in weight, body composition, quality-of-life, circulating biomarkers, gene expression, and immunohistochemical markers in tumour and benign prostatic tissue were evaluated. Results: The study period averaged 50 days. Mean (s.d.) change scores for the WLI vs control arms were as follows: weight: −4.7 (3.1) kg vs −2.2 (4.4) kg (P=0.0508); caloric intake: −500 (636) vs −159 (600) kcal per day (P=0.0034); PA: +0.9 (3.1) vs +1.7 (4.6) MET-hours per day (NS); vitality: +5.3 (7.l4) vs −1.8 (8.1) (P=0.0491); testosterone: +55.1 (86.0) vs −48.3 (203.7) ng dl−1 (P=0.0418); sex hormone-binding globulin: +14.0 (14.6) vs +1.8 (7.6) nmol l−1 (P=0.0023); and leptin: −2.16 (2.6) vs −0.03 (3.75) (P=0.0355). Follow-up Ki67 was significantly higher in WLI vs control arms; median (interquartile range): 5.0 (2.5,10.0) vs 0.0 (0.0,2.5) (P=0.0061) and several genes were upregulated, for example, CTSL, GSK3B, MED12, and LAMC2. Conclusions: Intentional weight loss shows mixed effects on circulating biomarkers, tumour gene expression, and proliferative markers. More study is needed before recommending weight loss, in particular rapid weight loss, among men with prostate cancer.
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Burgess E, Hassmén P, Pumpa KL. Determinants of adherence to lifestyle intervention in adults with obesity: a systematic review. Clin Obes 2017; 7:123-135. [PMID: 28296261 DOI: 10.1111/cob.12183] [Citation(s) in RCA: 241] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 01/10/2017] [Accepted: 01/11/2017] [Indexed: 12/01/2022]
Abstract
Lifestyle intervention programmes are efficacious in the management of obesity but often report poor attendance and adherence rates that hinder treatment effectiveness and health outcomes. The aim of this systematic review is to identify (i) barriers to behaviour change and (ii) predictors of adherence to lifestyle intervention programmes in adults with obesity. Studies were identified by systematically reviewing the literature within Medline, PsycINFO, CINAHL, SPORTDiscus and Web of Science from inception to August 2016. Barriers to behaviour change include poor motivation; environmental, societal and social pressures; lack of time; health and physical limitations; negative thoughts/moods; socioeconomic constraints; gaps in knowledge/awareness; and lack of enjoyment of exercise. The most prominent predictors of adherence include early weight loss success, lower baseline body mass index (BMI), better baseline mood, being male and older age. The findings within this review provide novel insight to clinicians working in obesity and have important implications for lifestyle intervention programme design. Barriers to behaviour change need to be addressed early in treatment, with lifestyle intervention individualized accordingly. Predictors of adherence should also be taken into careful consideration, with negative moods and unrealistic weight loss expectations discussed at the outset. If adherence is improved, treatment effectiveness, health outcomes and the ultimate burden of chronic diseases could also be improved.
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Affiliation(s)
- E Burgess
- University of Canberra Research Institute for Sport and Exercise, Canberra, Australia
| | - P Hassmén
- University of Canberra Research Institute for Sport and Exercise, Canberra, Australia
- School of Health and Human Sciences, Southern Cross University, Lismore, Australia
| | - K L Pumpa
- University of Canberra Research Institute for Sport and Exercise, Canberra, Australia
- Discipline of Sport and Exercise Science, Faculty of Health, University of Canberra, Canberra, Australia
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Batterham M, Tapsell L, Charlton K, O'Shea J, Thorne R. Using data mining to predict success in a weight loss trial. J Hum Nutr Diet 2017; 30:471-478. [DOI: 10.1111/jhn.12448] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Batterham
- Statistical Consulting Centre; National Institute for Applied Statistical Research Australia; University of Wollongong; Wollongong NSW Australia
| | - L. Tapsell
- Nutrition and Dietetics; School of Medicine; Faculty of Science Medicine and Health; University of Wollongong; Wollongong NSW Australia
| | - K. Charlton
- School of Medicine; Faculty of Science, Medicine and Health; University of Wollongong; Wollongong NSW Australia
| | - J. O'Shea
- School of Medicine; Faculty of Science, Medicine and Health; University of Wollongong; Wollongong NSW Australia
| | - R. Thorne
- School of Medicine; Faculty of Science, Medicine and Health; University of Wollongong; Wollongong NSW Australia
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Cannon S, Lawry K, Brudell M, Rees R, Wenke R, Bisset L. Appetite for change: a multidisciplinary team approach to behavioral modification for weight management in a community health group setting. Eat Weight Disord 2016; 21:661-668. [PMID: 27060011 DOI: 10.1007/s40519-016-0274-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 03/16/2016] [Indexed: 02/05/2023] Open
Abstract
PURPOSE Obesity is a growing issue in Australia with limited evidence for brief community based intervention. This preliminary study aimed to investigate the long term effects of a 4-week group based multidisciplinary behavior management program for weight loss in the community health setting. METHOD A quasi-experimental study design was employed recruiting patients referred to two Community Health Centers. Participants completed a 4-week Appetite for change program, comprising four 2-h group sessions co-facilitated by a multidisciplinary team. The mindfulness self efficacy scale (MSES), quality of life scale (QoL), and self-reported knowledge and stages of change were measured pre-treatment, immediately post-treatment and, 6 and 12 months post-treatment. Weight and waist circumference were additionally measured at baseline, 6 and 12 months post-treatment. RESULTS Eighty participants (mean age 63 ± 12.1 years) comprising 73 % women consented to participate. Statistically significant improvements (p ≤ 0.01) from pre-treatment were found at both 6 and 12 months, with a clinically significant mean percentage weight loss of approximately 4 %, and a mean improvement of 8.5 point on QoL at 12 months follow-up. Self-reported improvements in stages of change and knowledge were also maintained at 12 months. CONCLUSION Clinically and statistically significant long term improvements in all outcomes were found following a multidisciplinary brief intervention program for overweight/obese adults in the community health setting. The promising results following the Appetite for Change program warrant further controlled investigation.
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Affiliation(s)
- Samantha Cannon
- Gold Coast Health Service, Southport, Australia. .,Adult Community Health, Helensvale, Gold Coast, Australia.
| | - Kathryn Lawry
- Gold Coast Health Service, Southport, Australia.,Adult Community Health, Helensvale, Gold Coast, Australia
| | - Maree Brudell
- Gold Coast Health Service, Southport, Australia.,Adult Community Health, Helensvale, Gold Coast, Australia
| | - Rebecca Rees
- Gold Coast Health Service, Southport, Australia.,Adult Community Health, Helensvale, Gold Coast, Australia
| | | | - Leanne Bisset
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Australia
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Herget S, Reichardt S, Grimm A, Petroff D, Käpplinger J, Haase M, Markert J, Blüher S. High-Intensity Interval Training for Overweight Adolescents: Program Acceptance of a Media Supported Intervention and Changes in Body Composition. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E1099. [PMID: 27834812 PMCID: PMC5129309 DOI: 10.3390/ijerph13111099] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 09/30/2016] [Accepted: 10/25/2016] [Indexed: 12/26/2022]
Abstract
High-intensity interval training (HIIT) consists of short intervals of exercise at high intensity intermitted by intervals of lower intensity and is associated with improvement of body composition and metabolic health in adults. Studies in overweight adolescents are scarce. We conducted a randomized controlled trial in overweight adolescents to compare acceptance and attendance of HIIT with or without weekly motivational encouragement through text messages and access to a study website. HIIT was offered for six months (including summer vacation) twice a week (60 min/session). Participation rates were continuously assessed and acceptance was measured. Clinical parameters were assessed at baseline and after six months. Twenty-eight adolescents participated in this study (age 15.5 ± 1.4; 54% female). The standard deviation score for body mass index over all participants was 2.33 at baseline and decreased by 0.026 (95% CI -0.048 to 0.10) units, p = 0.49. Waist to height ratio was 0.596 at baseline and decreased by 0.013 (95% CI 0.0025 to 0.024), p = 0.023. Participation within the first two months ranged from 65% to 75%, but fell to 15% within the last three months. Attendance in the intervention group was 14% (95% CI -8 to 37), p = 0.18, higher than the control group. Overall program content was rated as "good" by participants, although high drop-out rates were observed. Summer months constitute a serious problem regarding attendance. The use of media support has to be assessed further in appropriately powered trials.
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Affiliation(s)
- Sabine Herget
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
- Faculty of Architecture and Social Sciences, University of Applied Sciences Leipzig (HTWK), Leipzig 04315, Germany.
| | - Sandra Reichardt
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
| | - Andrea Grimm
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
| | - David Petroff
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
- Clinical Trial Centre, University of Leipzig, Leipzig 04109, Germany.
| | - Jakob Käpplinger
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
| | - Michael Haase
- CityBootCamp Outdoor Fitness Training, Leipzig 04103, Germany.
| | - Jana Markert
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
| | - Susann Blüher
- Integrated Research and Treatment Center (IFB) for Adiposity Diseases, University of Leipzig, Leipzig 04109, Germany.
- Department of Pediatrics, University of Halle-Wittenberg, Halle 06108, Germany.
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