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Powell LH, Daniels BT, Drees BM, Karavolos K, Lohse B, Masters KS, Nicklas JM, Ruder EH, Suzuki S, Trabold N, Zimmermann LJ. Enhancing Lifestyles in the Metabolic syndrome (ELM) multisite behavioral efficacy trial. Design and baseline cohort. Am Heart J 2024; 270:136-155. [PMID: 38215918 DOI: 10.1016/j.ahj.2023.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/14/2024]
Abstract
BACKGROUND Prevalence of metabolic syndrome (MetS) increased from one-quarter to one-third of the U.S. adult population over 8 years and is spreading to young adults and Asian and Hispanic Americans. Diagnosed when >3 out of 5 cardiometabolic risk factors are present, there is widespread agreement that its fundamental roots are in a lifestyle characterized by poor dietary quality and physical inactivity. Past lifestyle trials for MetS produce benefits that have limited sustainability, suggesting the need for new treatment approaches. METHODS This is the design and baseline cohort of the Enhancing Lifestyles in the Metabolic Syndrome (ELM) multi-site trial. The trial tests the hypothesis that a habit-based lifestyle treatment offered over 6 months, followed by 18 monthly maintenance contacts, can produce 4 new diet, physical activity, and mindfulness habits and, if so, sustained MetS remission. The design is an individually randomized, partially clustered group treatment trial of 618 participants with the MetS recruited from 5 sites in the U.S. and randomized to a small group lifestyle treatment or an enhanced standard of care education comparator. The primary outcome is MetS remission at 24 months. Secondary outcomes compare arms at 6, 15, and 24 months on MetS components, lifestyle targets, weight, body mass index, hemoglobin A1c, LDL cholesterol, medications, quality of life, psychosocial factors, and cost-effectiveness. RESULTS The cohort of 618 participants was recruited by screening 14,817 over 2.5 years (screening to enrollment ratio 24:1). Recruitment exceeded the target of 600 despite 2 COVID-19 pauses. The mean age was 55.5 years, 24.3% were male, 25.5% were a racial minority, 9.7% identified as Hispanic, and 83.0% were classified as obese (body mass index >30). The most common MetS components were abdominal obesity (97.7%) and elevated blood pressure or antihypertensive medication (86.2%). CONCLUSIONS The geographic, sociodemographic, and clinical diversity of the cohort, combined with rigorous behavioral efficacy trial methods, will provide a conclusive answer to the question of whether this habit-based lifestyle program can produce sustained 24-month remission of the MetS and thereby help to curb a significant and growing public health problem.
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Abrams HB, Callahan C. Health Behavior and Motivational Engagement Models Can Explain and Modify Teleaudiology Uptake. Am J Audiol 2022; 31:1043-1051. [PMID: 36048627 DOI: 10.1044/2022_aja-21-00204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
PURPOSE The remote delivery of health care services (i.e., telehealth) has steadily increased across the health care landscape over the past decade with a dramatic increase following the onset of the COVID-19 pandemic. Remote audiology delivery (i.e., teleaudiology), by contrast, has traditionally been characterized by relatively low utilization. While teleaudiology services increased during the COVID-19 lockdown period, most of those services were generally limited to follow-up care and postfitting consultations to existing patients. Furthermore, there is reason to believe that, despite the benefits that remote care provides, the use of teleaudiology services has decreased as in-person care has increased following the lifting of mandatory COVID-related lockdowns. The purpose of this viewpoint article is to posit that existing theories of health behavior, usually applied to patient-specific behaviors (e.g., hearing aid uptake) may explain the reluctance of audiologists to "uptake" a teleaudiology model of care. We also explore the potential of motivational engagement strategies as a means to allow audiologists to examine their sources of ambivalence as they consider adopting a remote service-delivery model. CONCLUSIONS Health behavior models such as the Health Belief, Transtheoretical, and capability, opportunity, motivation, and behavior (COM-B) models represent theories that may help to explain audiologists' resistance to adopting remote delivery services. Motivational engagement strategies, such as decisional balance, can provide useful tools for audiologists to examine their attitudes toward the adoption of teleaudiology.
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Affiliation(s)
- Harvey B Abrams
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL.,Lively Hearing Corporation, New York, NY
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Birch JM, Jones RA, Mueller J, McDonald MD, Richards R, Kelly MP, Griffin SJ, Ahern AL. A systematic review of inequalities in the uptake of, adherence to, and effectiveness of behavioral weight management interventions in adults. Obes Rev 2022; 23:e13438. [PMID: 35243743 PMCID: PMC9285567 DOI: 10.1111/obr.13438] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/12/2022] [Indexed: 12/26/2022]
Abstract
The extent to which behavioral weight management interventions affect health inequalities is uncertain, as is whether trials of these interventions directly consider inequalities. We conducted a systematic review, synthesizing evidence on how different aspects of inequality impact uptake, adherence, and effectiveness in trials of behavioral weight management interventions. We included (cluster-) randomized controlled trials of primary care-applicable behavioral weight management interventions in adults with overweight or obesity published prior to March 2020. Data about trial uptake, intervention adherence, attrition, and weight change by PROGRESS-Plus criteria (place of residence, race/ethnicity, occupation, gender, religion, education, socioeconomic status, social capital, plus other discriminating factors) were extracted. Data were synthesized narratively and summarized in harvest plots. We identified 91 behavioral weight loss interventions and 12 behavioral weight loss maintenance interventions. Fifty-six of the 103 trials considered inequalities in relation to at least one of intervention or trial uptake (n = 15), intervention adherence (n = 15), trial attrition (n = 32), or weight outcome (n = 34). Most trials found no inequalities gradient. If a gradient was observed for trial uptake, intervention adherence, and trial attrition, those considered "more advantaged" did best. Alternative methods of data synthesis that enable data to be pooled and increase statistical power may enhance understanding of inequalities in behavioral weight management interventions.
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Affiliation(s)
- Jack M Birch
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Rebecca A Jones
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Julia Mueller
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Matthew D McDonald
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia
| | | | - Michael P Kelly
- Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Simon J Griffin
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK.,Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Amy L Ahern
- MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
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4
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Madigan CD, Graham HE, Sturgiss E, Kettle VE, Gokal K, Biddle G, Taylor GMJ, Daley AJ. Effectiveness of weight management interventions for adults delivered in primary care: systematic review and meta-analysis of randomised controlled trials. BMJ 2022; 377:e069719. [PMID: 35636762 PMCID: PMC9150078 DOI: 10.1136/bmj-2021-069719] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To examine the effectiveness of behavioural weight management interventions for adults with obesity delivered in primary care. DESIGN Systematic review and meta-analysis of randomised controlled trials. ELIGIBILITY CRITERIA FOR SELECTION OF STUDIES Randomised controlled trials of behavioural weight management interventions for adults with a body mass index ≥25 delivered in primary care compared with no treatment, attention control, or minimal intervention and weight change at ≥12 months follow-up. DATA SOURCES Trials from a previous systematic review were extracted and the search completed using the Cochrane Central Register of Controlled Trials, Medline, PubMed, and PsychINFO from 1 January 2018 to 19 August 2021. DATA EXTRACTION AND SYNTHESIS Two reviewers independently identified eligible studies, extracted data, and assessed risk of bias using the Cochrane risk of bias tool. Meta-analyses were conducted with random effects models, and a pooled mean difference for both weight (kg) and waist circumference (cm) were calculated. MAIN OUTCOME MEASURES Primary outcome was weight change from baseline to 12 months. Secondary outcome was weight change from baseline to ≥24 months. Change in waist circumference was assessed at 12 months. RESULTS 34 trials were included: 14 were additional, from a previous review. 27 trials (n=8000) were included in the primary outcome of weight change at 12 month follow-up. The mean difference between the intervention and comparator groups at 12 months was -2.3 kg (95% confidence interval -3.0 to -1.6 kg, I2=88%, P<0.001), favouring the intervention group. At ≥24 months (13 trials, n=5011) the mean difference in weight change was -1.8 kg (-2.8 to -0.8 kg, I2=88%, P<0.001) favouring the intervention. The mean difference in waist circumference (18 trials, n=5288) was -2.5 cm (-3.2 to -1.8 cm, I2=69%, P<0.001) in favour of the intervention at 12 months. CONCLUSIONS Behavioural weight management interventions for adults with obesity delivered in primary care are effective for weight loss and could be offered to members of the public. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42021275529.
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Affiliation(s)
- Claire D Madigan
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
| | - Henrietta E Graham
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
| | - Elizabeth Sturgiss
- School of Primary and Allied Health Care, Monash University, Melbourne, Australia
| | - Victoria E Kettle
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
| | - Kajal Gokal
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
| | - Greg Biddle
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
| | - Gemma M J Taylor
- Department of Psychology, Addiction and Mental Health Group, University of Bath, Bath, UK
| | - Amanda J Daley
- Centre for Lifestyle Medicine and Behaviour (CLiMB), The School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE11 3TU, UK
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Primary care-based interventions for treatment of obesity: a systematic review. Public Health 2021; 195:61-69. [PMID: 34058627 DOI: 10.1016/j.puhe.2021.04.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 02/19/2021] [Accepted: 04/19/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE The objective of this study was to synthesise evidence from primary care-based interventions for the treatment of obesity in adults and the elderly. STUDY DESIGN Systematic review. METHODS Eight electronic databases (MEDLINE, Lilacs, Embase, Psycinfo, Cochrane, WHOLIS, Open Gray and Scholar Google) were searched. There was no limitation on publication period; articles published in English, Portuguese or Spanish were included. The selection, data extraction and quality analyses were performed by three reviewers. RESULTS A literature search retrieved 6464 publications, of which 5120 publications were excluded after reading the title/abstract and 293 after reading the full text. In total, 56 publications, representing 72 interventions were included. All studies were published between 2000 and 2020. Most studies were conducted in high-income countries. The mean duration of interventions was 11.5 months (SD: 7.5), ranging from 3 to 44 months. Most interventions were effective for body mass index reduction, weight loss and waist circumference change. CONCLUSION Our study showed that most interventions were effective for outcomes analysed in adults and the elderly. We also found some literature gaps, such as the need to implement and evaluate obesity after intervention and the requirement to carry out more studies in low- and middle-income countries.
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Canuto R, Garcez A, de Souza RV, Kac G, Olinto MTA. Nutritional intervention strategies for the management of overweight and obesity in primary health care: A systematic review with meta-analysis. Obes Rev 2021; 22:e13143. [PMID: 33006421 DOI: 10.1111/obr.13143] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 12/29/2022]
Abstract
A systematic review with meta-analysis (MA) was conducted to synthesize the effectiveness of nutrition intervention strategies for managing overweight and obesity in the adult population attending primary health care. Relevant articles were searched in the PubMed, Embase, Web of Science, Cochrane and LILACS databases from inception to January 2020. Seventy studies were identified: 45 randomized controlled trials (RCTs) and 25 uncontrolled before-after studies (UBAs). The MA of nutritional intervention revealed a reduced average estimate of the effect on weight in RCTs (weighted mean differences [WMD] = -1.80 kg, 95% confidence interval [CI], -2.40 to -1.19), BMI (WMD = -0.80 kg/m2 , 95% CI, -1.11 to -0.49), and WC (WMD = -2.28 cm, 95% CI, -3.06 to -1.49); and for UBAs showed reductions in weight (WMD = -4.17 kg; 95% CI, -5.18 to -1.70), BMI (WMD = -1.26 kg/m2 ; 95% CI, -1.81 to -0.72) and (WMD = -2.90 cm; 95%CI, -4.21 to -1.59). There was no association between treatment effect and follow-up for both designs. Nutritional interventions alone yielded a higher but nonsignificant average reduction on weight when compared with combined components intervention. Interventions delivered through individual or group sessions showed a similar positive effect on weight decrease. The dietary prescription approach yielded a greater effect on weight loss than did the behavioural approaches but only in UBA studies.
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Affiliation(s)
- Raquel Canuto
- Postgraduate Program in Food, Nutrition and Health, Federal University of Rio Grande do Sul, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil.,Postgraduate Graduate Program in Nutrition Sciences, Federal University of Health Science of Porto Alegre, UFCSPA, Porto Alegre, Rio Grande do Sul, Brazil
| | - Anderson Garcez
- Postgraduate Graduate Program in Nutrition Sciences, Federal University of Health Science of Porto Alegre, UFCSPA, Porto Alegre, Rio Grande do Sul, Brazil.,Postgraduate Program in Collective Health, University of Vale do Rio dos Sinos, UNISINOS, São Leopoldo, Rio Grande do Sul, Brazil
| | | | - Gilberto Kac
- Institute of Nutrition, Federal University of Rio de Janeiro, UFRJ, Rio de Janeiro, Rio Grande do Sul, Brazil
| | - Maria Teresa Anselmo Olinto
- Postgraduate Program in Food, Nutrition and Health, Federal University of Rio Grande do Sul, UFRGS, Porto Alegre, Rio Grande do Sul, Brazil.,Postgraduate Program in Collective Health, University of Vale do Rio dos Sinos, UNISINOS, São Leopoldo, Rio Grande do Sul, Brazil
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Takada D, Kunisawa S, Kikuno A, Iritani T, Imanaka Y. Stages of a transtheoretical model as predictors for the decline of estimated glomerular filtration rate: a retrospective cohort study. J Epidemiol 2021; 32:323-329. [PMID: 33487611 PMCID: PMC9189319 DOI: 10.2188/jea.je20200422] [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] [Indexed: 11/18/2022] Open
Abstract
Background The transtheoretical model (TTM) is composed of the multiple stages according to patient’s consciousness and is believed to lead people to realize the importance of healthier behaviors. We examined the association of TTM stages with the decline of estimated glomerular filtration rate (eGFR). Methods We used the annual health checkup data and health insurance claims data of the Japan Health Insurance Association in Kyoto Prefecture between April 2012 and March 2016. TTM stages of change obtained from questionnaires at the first health checkup and categorized into six groups. The primary outcome was defined as a more than 30% decline in eGFR from the first health checkup. We fitted multivariable Cox proportional-hazards model for time-to-event analyses adjusting for age, sex, eGFR, body mass index, blood pressure, blood sugar, dyslipidemia, uric acid, urinary protein, and existence of kidney diseases at first health checkup. Results We analyzed 239,755 employees and the mean follow-up was 2.9 (standard deviation, 1.2) years. As compared with the stage 1 group, the risk of eGFR decline was significantly low in the stage 3 group (hazard ratio [HR] 0.77; 95% confidence interval [CI], 0.65–0.91); stage 4 group (HR 0.80; 95% CI, 0.65–0.98); and stage 5 group (HR 0.79; 95% CI, 0.66–0.95). Conclusion Compared with the precontemplation stage (stage 1), the preparation, action and maintenance stages (stages 3, 4, and 5), were associated with a lower risk of eGFR decline.
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Affiliation(s)
- Daisuke Takada
- Department of Healthcare Economics and Quality Management, Graduate School of Medicine, Kyoto University
| | - Susumu Kunisawa
- Department of Healthcare Economics and Quality Management, Graduate School of Medicine, Kyoto University
| | | | | | - Yuichi Imanaka
- Department of Healthcare Economics and Quality Management, Graduate School of Medicine, Kyoto University
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Punt SE, Kurz DL, Befort CA. Recruitment of Men Into a Pragmatic Rural Primary Care Weight Loss Trial. Am J Mens Health 2020; 14:1557988320971917. [PMID: 33174488 PMCID: PMC7673057 DOI: 10.1177/1557988320971917] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Men remain underrepresented in behavioral weight loss trials and are more difficult to recruit compared to women. We describe recruitment response of men and women into a mixed-gender behavioral weight loss trial conducted within 36 rural primary care clinics. Participants were recruited through primary care clinics via direct mailings (n = 15,076) and in-clinic referrals by their primary care provider (PCP). Gender differences were examined in response rate to direct mailings, study referral source, and rates of proceeding to study screening, being eligible, and enrolling. Men had a lower response rate to direct mailings than women (7.8% vs. 17.7%, p < .001). Men (vs. women) responding to the mailing were more likely to respond by opt-in postcard (64.6% vs. 56.8%) and less likely to respond by phone (33.9% vs. 39.6%), p = .002. Among potential participants contacting the study (n = 2413), men were less likely to report being referred by PCPs (15.2% vs. 21.6%; p < .001), but were just as likely to proceed to screening, be eligible, and enroll. Men and women were more likely to proceed to screening when referred by PCPs (93.3% vs. 95.4%) compared to direct mailings (74.2% vs. 73.9%). Enrolled men were older (p < .001), more likely to be married (p = .04), and had higher levels of education (p = .01). Men were less likely than women to respond to direct mailings and to be referred by their PCP, but after contacting the study, had similar screening, eligibility, and enrollment rates. Encouraging and training providers to refer men during clinic visits may help recruit more men into primary care-based weight loss trials.
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Affiliation(s)
- Stephanie E Punt
- Department of Psychology, University of Kansas, Lawrence, KS, USA
| | - Daniel L Kurz
- Department of Population Health, University of Kansas Medical Center, Kansas City, KS, USA
| | - Christie A Befort
- Department of Population Health, University of Kansas Medical Center, Kansas City, KS, USA
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Taurio J, Järvinen J, Hautaniemi EJ, Eräranta A, Viitala J, Nordhausen K, Kaukinen K, Mustonen J, Pörsti IH. Team-based "Get-a-Grip" lifestyle management programme in the treatment of obesity. Prev Med Rep 2020; 19:101119. [PMID: 32461881 PMCID: PMC7242875 DOI: 10.1016/j.pmedr.2020.101119] [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: 09/19/2019] [Revised: 05/04/2020] [Accepted: 05/08/2020] [Indexed: 11/24/2022] Open
Abstract
Team-based one-year lifestyle programme led to mean weight loss of 4.8 kg. Among the participants 44% lost ≥ 5%, while 21% lost ≥ 10% of their initial weight. Beneficial changes were detected in muscle mass, body fat, and visceral fat. Systolic and diastolic blood pressure was reduced significantly.
This study examined weight loss during an extensive 1-year lifestyle programme in primary care in Finland in overweight subjects (n = 134, age 18–69 years; BMI > 30, or BMI > 25 with a comorbidity that would benefit from weight loss) between 2009 and 2013 in a single arm design. The programme included four medical doctor visits, five sessions by a dietitian (advice on diet and on-location shopping behaviour), cooking classes, exercise supervised by personal trainer, and group discussions. A motivational interview method was applied. Of the 134 participants, 92 (69%) completed the 1-year programme. Among the participants 44% lost ≥ 5%, while 21% lost ≥ 10% of their initial body weight. In intention-to-treat-analyses, the mean weight loss during one year was 4.8 kg (p < 0.001). Mean BMI decreased by 1.7 kg/m2 (p < 0.001) and waist circumference by 5.6 cm (p < 0.001). Mean muscle mass increased by 3.3% (p < 0.001), and body fat decreased by 5.0% (p < 0.001). After the programme mean visceral fat content was reduced by 6.4%, systolic blood pressure by 8 mmHg (p < 0.001), and diastolic blood pressure by 6 mmHg (p < 0.001). In conclusion, retention to the team-based lifestyle management programme resulted in moderate but significant weight loss with beneficial changes in body composition, and the trend to lose weight was maintained throughout the year. Trial registration: Clinicaltrials.gov identifier NCT04003259.
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Affiliation(s)
- Jyrki Taurio
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland
| | - Jorma Järvinen
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland
| | - Elina J Hautaniemi
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
| | - Arttu Eräranta
- Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
| | - Jani Viitala
- Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
| | - Klaus Nordhausen
- Faculty of Social Sciences, Tampere University, FI-33014, Finland.,Institute of Statistics & Mathematical Methods in Economics, Vienna University of Technology, Wiedner Hauptstr. 7, A-1040 Vienna, Austria
| | - Katri Kaukinen
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
| | - Jukka Mustonen
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
| | - Ilkka H Pörsti
- Department of Internal Medicine, Tampere University Hospital, P.O. Box 2000, FI-33521 Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, FI-33014, Finland
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Tanikawa Y, Kimachi M, Ishikawa M, Hisada T, Fukuhara S, Yamamoto Y. Association between work schedules and motivation for lifestyle change in workers with overweight or obesity: a cross-sectional study in Japan. BMJ Open 2020; 10:e033000. [PMID: 32354776 PMCID: PMC7213847 DOI: 10.1136/bmjopen-2019-033000] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE To investigate the association between work schedules and motivation for behavioural change of lifestyle, based on the transtheoretical model (TTM) in workers with overweight or obesity. DESIGN A cross-sectional observational study. SETTING A healthcare examination centre in Japan. PARTICIPANTS Between April 2014 and March 2016, we recruited 9243 participants who underwent healthcare examination and met the inclusion criteria, namely, age 20-65 years, body mass index (BMI) ≥25 kg/m2 and full-time workers. EXPOSURE Night and shift (night/shift) workers were compared with daytime workers in terms of motivation for behavioural change. PRIMARY AND SECONDARY OUTCOME MEASURES The primary outcome was action and maintenance stages of change (SOC) for lifestyle in TTM. In a subgroup analysis, we investigated interactions between characteristics, including age, sex, BMI, current smoking, alcohol habits, hours of sleep and working hours. RESULTS Overall, 1390 participants (15.0%) were night/shift workers; night/shift workers were younger (median age (IQR): 46 (40-54) vs 43 (37-52) years) and the proportion of men was lesser (75.4 vs 60.9%) compared with daytime workers. The numbers of daytime and night/shift workers in the action and maintenance SOC were 2113 (26.9%) and 309 (22.2%), respectively. Compared with daytime workers, night/shift workers were less likely to demonstrate action and maintenance SOC (adjusted OR (AOR): 0.85, 95% CI: 0.74 to 0.98). In a subgroup analysis that included only those with long working hours (≥10 hours/day), results revealed a strong inverse association between night/shift work and action and maintenance SOC (AOR: 0.65, 95% CI: 0.48 to 0.86). A significant interaction was observed between long working hours and night/shift work (P for interaction=0.04). CONCLUSIONS In workers with overweight or obesity, a night/shift work schedule was associated with a lower motivation for behavioural change in lifestyle, and the association was strengthened in those with long working hours.
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Affiliation(s)
- Yukihiro Tanikawa
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Miho Kimachi
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Minoru Ishikawa
- Health Examination Centre, Urasoe General Hospital, Urasoe, Japan
| | | | - Shunichi Fukuhara
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Section of Clinical Epidemiology, Department of Community Medicine, Kyoto University, Kyoto, Japan
- Centre for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima, Japan
- Shirakawa STAR for General Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yosuke Yamamoto
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
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van Woudenberg TJ, Simoski B, Fernandes de Mello Araújo E, Bevelander KE, Burk WJ, Smit CR, Buijs L, Klein M, Buijzen M. Identifying Influence Agents That Promote Physical Activity Through the Simulation of Social Network Interventions: Agent-Based Modeling Study. J Med Internet Res 2019; 21:e12914. [PMID: 31381504 PMCID: PMC6699133 DOI: 10.2196/12914] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 05/15/2019] [Accepted: 05/31/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Social network interventions targeted at children and adolescents can have a substantial effect on their health behaviors, including physical activity. However, designing successful social network interventions is a considerable research challenge. In this study, we rely on social network analysis and agent-based simulations to better understand and capitalize on the complex interplay of social networks and health behaviors. More specifically, we investigate criteria for selecting influence agents that can be expected to produce the most successful social network health interventions. OBJECTIVE The aim of this study was to test which selection criterion to determine influence agents in a social network intervention resulted in the biggest increase in physical activity in the social network. To test the differences among the selection criteria, a computational model was used to simulate different social network interventions and observe the intervention's effect on the physical activity of primary and secondary school children within their school classes. As a next step, this study relied on the outcomes of the simulated interventions to investigate whether social network interventions are more effective in some classes than others based on network characteristics. METHODS We used a previously validated agent-based model to understand how physical activity spreads in social networks and who was influencing the spread of behavior. From the observed data of 460 participants collected in 26 school classes, we simulated multiple social network interventions with different selection criteria for the influence agents (ie, in-degree centrality, betweenness centrality, closeness centrality, and random influence agents) and a control condition (ie, no intervention). Subsequently, we investigated whether the detected variation of an intervention's success within school classes could be explained by structural characteristics of the social networks (ie, network density and network centralization). RESULTS The 1-year simulations showed that social network interventions were more effective compared with the control condition (beta=.30; t100=3.23; P=.001). In addition, the social network interventions that used a measure of centrality to select influence agents outperformed the random influence agent intervention (beta=.46; t100=3.86; P<.001). Also, the closeness centrality condition outperformed the betweenness centrality condition (beta=.59; t100=2.02; P=.046). The anticipated interaction effects of the network characteristics were not observed. CONCLUSIONS Social network intervention can be considered as a viable and promising intervention method to promote physical activity. We demonstrated the usefulness of applying social network analysis and agent-based modeling as part of the social network interventions' design process. We emphasize the importance of selecting the most successful influence agents and provide a better understanding of the role of network characteristics on the effectiveness of social network interventions.
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Affiliation(s)
| | - Bojan Simoski
- Social AI Group, Vrije Universiteit, Amsterdam, Netherlands
| | | | - Kirsten E Bevelander
- Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
- Radboud Institute for Health Sciences, Radboud University and Medical Centre, Nijmegen, Netherlands
| | - William J Burk
- Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
| | - Crystal R Smit
- Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
| | - Laura Buijs
- Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
| | - Michel Klein
- Social AI Group, Vrije Universiteit, Amsterdam, Netherlands
| | - Moniek Buijzen
- Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
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LeBlanc ES, Patnode CD, Webber EM, Redmond N, Rushkin M, O'Connor EA. Behavioral and Pharmacotherapy Weight Loss Interventions to Prevent Obesity-Related Morbidity and Mortality in Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA 2018; 320:1172-1191. [PMID: 30326501 DOI: 10.1001/jama.2018.7777] [Citation(s) in RCA: 269] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
IMPORTANCE Overweight and obesity have been associated with adverse health effects. OBJECTIVE To systematically review evidence on benefits and harms of behavioral and pharmacotherapy weight loss and weight loss maintenance interventions in adults to inform the US Preventive Services Task Force. DATA SOURCES MEDLINE, PubMed Publisher-Supplied Records, PsycINFO, and the Cochrane Central Register of Controlled Trials for studies published through June 6, 2017; ClinicalTrials.gov and the World Health Organization International Clinical Trials Registry Platform for ongoing trials through August 2017; and ongoing surveillance in targeted publications through March 23, 2018. Studies from previous reviews were reevaluated for inclusion. STUDY SELECTION Randomized clinical trials (RCTs) focusing on weight loss or weight loss maintenance in adults. DATA EXTRACTION AND SYNTHESIS Data were abstracted by one reviewer and confirmed by another. Random-effects meta-analyses were conducted for weight loss outcomes in behavior-based interventions. MAIN OUTCOMES AND MEASURES Health outcomes, weight loss or weight loss maintenance, reduction in obesity-related conditions, and adverse events. RESULTS A total of 122 RCTs (N = 62 533) and 2 observational studies (N = 209 993) were identified. Compared with controls, participants in behavior-based interventions had greater mean weight loss at 12 to 18 months (-2.39 kg [95% CI, -2.86 to -1.93]; 67 studies [n = 22065]) and less weight regain (-1.59 kg [95% CI, -2.38 to -0.79]; 8 studies [n = 1408]). Studies of medication-based weight loss and maintenance interventions also reported greater weight loss or less weight regain in intervention compared with placebo groups at 12 to 18 months (range, -0.6 to -5.8 kg; no meta-analysis). Participants with prediabetes in weight loss interventions had a lower risk of developing diabetes compared with controls (relative risk, 0.67 [95% CI, 0.51 to 0.89]). There was no evidence of other benefits, but most health outcomes such as mortality, cardiovascular disease, and cancer were infrequently reported. Small improvements in quality of life in some medication trials were noted but were of unclear clinical significance. There was no evidence of harm such as cardiovascular disease from behavior-based interventions; higher rates of adverse events were associated with higher dropout rates in medication groups than in placebo groups. CONCLUSIONS AND RELEVANCE Behavior-based weight loss interventions with or without weight loss medications were associated with more weight loss and a lower risk of developing diabetes than control conditions. Weight loss medications, but not behavior-based interventions, were associated with higher rates of harms. Long-term weight and health outcomes data, as well as data on important subgroups, were limited.
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Affiliation(s)
- Erin S LeBlanc
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Carrie D Patnode
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Elizabeth M Webber
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Nadia Redmond
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Megan Rushkin
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
| | - Elizabeth A O'Connor
- Kaiser Permanente Research Affiliates Evidence-based Practice Center, Center for Health Research, Kaiser Permanente, Portland, Oregon
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13
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Sturgiss EA, Elmitt N, Haesler E, van Weel C, Douglas KA. Role of the family doctor in the management of adults with obesity: a scoping review. BMJ Open 2018; 8:e019367. [PMID: 29453301 PMCID: PMC5829928 DOI: 10.1136/bmjopen-2017-019367] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/13/2017] [Accepted: 12/19/2017] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES Obesity management is an important issue for the international primary care community. This scoping review examines the literature describing the role of the family doctor in managing adults with obesity. The methods were prospectively published and followed Joanna Briggs Institute methodology. SETTING Primary care. Adult patients. INCLUDED PAPERS Peer-reviewed and grey literature with the keywords obesity, primary care and family doctors. All literature published up to September 2015. 3294 non-duplicate papers were identified and 225 articles included after full-text review. PRIMARY AND SECONDARY OUTCOME MEASURES Data were extracted on the family doctors' involvement in different aspects of management, and whether whole person and person-centred care were explicitly mentioned. RESULTS 110 papers described interventions in primary care and family doctors were always involved in diagnosing obesity and often in recruitment of participants. A clear description of the provider involved in an intervention was often lacking. It was difficult to determine if interventions took account of whole person and person-centredness. Most opinion papers and clinical overviews described an extensive role for the family doctor in management; in contrast, research on current practices depicted obesity as undermanaged by family doctors. International guidelines varied in their description of the role of the family doctor with a more extensive role suggested by guidelines from family medicine organisations. CONCLUSIONS There is a disconnect between how family doctors are involved in primary care interventions, the message in clinical overviews and opinion papers, and observed current practice of family doctors. The role of family doctors in international guidelines for obesity may reflect the strength of primary care in the originating health system. Reporting of primary care interventions could be improved by enhanced descriptions of the providers involved and explanation of how the pillars of primary care are used in intervention development.
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Affiliation(s)
- Elizabeth A Sturgiss
- Academic Unit of General Practice, Australian Nation University Medical School, Canberra, Australia
| | - Nicholas Elmitt
- Academic Unit of General Practice, Australian Nation University Medical School, Canberra, Australia
| | - Emily Haesler
- Academic Unit of General Practice, Australian Nation University Medical School, Canberra, Australia
- School of Nursing, Midwifery and Paramedicine, Curtin University, Perth, Western Australia, Australia
- School of Nursing and Midwifery, La Trobe University, Melbourne, Victoria, Australia
| | - Chris van Weel
- Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, Netherlands
- Department of Health Services Research and Policy, Australian National University, Canberra, Australia
| | - Kirsty A Douglas
- Academic Unit of General Practice, Australian Nation University Medical School, Canberra, Australia
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14
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Ma C, Avenell A, Bolland M, Hudson J, Stewart F, Robertson C, Sharma P, Fraser C, MacLennan G. Effects of weight loss interventions for adults who are obese on mortality, cardiovascular disease, and cancer: systematic review and meta-analysis. BMJ 2017; 359:j4849. [PMID: 29138133 PMCID: PMC5682593 DOI: 10.1136/bmj.j4849] [Citation(s) in RCA: 280] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Objective To assess whether weight loss interventions for adults with obesity affect all cause, cardiovascular, and cancer mortality, cardiovascular disease, cancer, and body weight.Design Systematic review and meta-analysis of randomised controlled trials (RCTs) using random effects, estimating risk ratios, and mean differences. Heterogeneity investigated using Cochran's Q and I2 statistics. Quality of evidence assessed by GRADE criteria.Data sources Medline, Embase, the Cochrane Central Register of Controlled Trials, and full texts in our trials' registry for data not evident in databases. Authors were contacted for unpublished data.Eligibility criteria for selecting studies RCTs of dietary interventions targeting weight loss, with or without exercise advice or programmes, for adults with obesity and follow-up ≥1 year.Results 54 RCTs with 30 206 participants were identified. All but one trial evaluated low fat, weight reducing diets. For the primary outcome, high quality evidence showed that weight loss interventions decrease all cause mortality (34 trials, 685 events; risk ratio 0.82, 95% confidence interval 0.71 to 0.95), with six fewer deaths per 1000 participants (95% confidence interval two to 10). For other primary outcomes moderate quality evidence showed an effect on cardiovascular mortality (eight trials, 134 events; risk ratio 0.93, 95% confidence interval 0.67 to 1.31), and very low quality evidence showed an effect on cancer mortality (eight trials, 34 events; risk ratio 0.58, 95% confidence interval 0.30 to 1.11). Twenty four trials (15 176 participants) reported high quality evidence on participants developing new cardiovascular events (1043 events; risk ratio 0.93, 95% confidence interval 0.83 to 1.04). Nineteen trials (6330 participants) provided very low quality evidence on participants developing new cancers (103 events; risk ratio 0.92, 95% confidence interval 0.63 to 1.36).Conclusions Weight reducing diets, usually low in fat and saturated fat, with or without exercise advice or programmes, may reduce premature all cause mortality in adults with obesity.Systematic review registration PROSPERO CRD42016033217.
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Affiliation(s)
- Chenhan Ma
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Alison Avenell
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Mark Bolland
- Bone and Joint Research Group, Department of Medicine, University of Auckland, Private Bag 92 019, Auckland 1142, New Zealand
| | - Jemma Hudson
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Fiona Stewart
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Clare Robertson
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Pawana Sharma
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Cynthia Fraser
- Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
| | - Graeme MacLennan
- Centre for Healthcare Randomised Trials, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK
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15
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Facilitating Partner Support for Lifestyle Change Among Adults with Serious Mental Illness: A Feasibility Pilot Study. Community Ment Health J 2017; 53:394-404. [PMID: 28176207 PMCID: PMC5510867 DOI: 10.1007/s10597-017-0100-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Accepted: 01/24/2017] [Indexed: 12/15/2022]
Abstract
The purpose of this pilot study was to explore the feasibility of an intervention designed to facilitate partner support for lifestyle change among overweight and obese adults with serious mental illness (SMI). Fifteen adults with SMI enrolled in a lifestyle intervention at community mental health centers participated with a self-selected partner in an additional 12-week intervention component designed to facilitate social support for health behavior change. Participants reported that the program was useful, convenient, and helped them reach their goals. Approximately two-thirds (66%) of participants were below their baseline weight at follow-up, including 27% achieving clinically significant weight loss. Participants reported significant increases in partner support for exercise and use of persuasive social support strategies. Partner support interventions that promote exercising together and positive communication may be effective for helping individuals with SMI initiate and sustain health behavior change necessary to reduce cardiovascular risk.
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16
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Lee JE, Lee DE, Kim K, Shim JE, Sung E, Kang JH, Hwang JY. Development of tailored nutrition information messages based on the transtheoretical model for smartphone application of an obesity prevention and management program for elementary-school students. Nutr Res Pract 2017; 11:247-256. [PMID: 28584582 PMCID: PMC5449382 DOI: 10.4162/nrp.2017.11.3.247] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 12/30/2016] [Accepted: 01/04/2017] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND/OBJECTIVES Easy access to intervention and support for certain behaviors is important for obesity prevention and management. The available technology such as smartphone applications can be used for intervention regarding healthy food choices for obesity prevention and management in elementary-school students. The transtheoretical model (TTM) is comprised of stages and processes of change and can be adopted to tailored education for behavioral change. This study aims to develop TTM-based nutrition contents for mobile applications intended to change eating behaviors related to weight gain in young children. SUBJECTS/METHODS A synthesized algorithm for tailored nutrition messages was developed according to the intake status of six food groups (vegetables, fruits, sugar-sweetened beverages, fast food and instant food, snacks, and late-night snacks), decision to make dietary behavioral changes, and self-confidence in dietary behavioral changes. The messages in this study were developed from December 2014 to April 2015. After the validity evaluation of the contents through expert consultation, tailored nutrition information messages and educational contents were developed based on the TTM. RESULTS Based on the TTM, stages of subjects are determined by their current intake status, decision to make dietary behavioral changes, and self-confidence in dietary behavioral changes. Three versions of tailored nutrition messages at each TTM stage were developed so as to not send the same messages for three weeks at most, and visual materials such as figures and tables were developed to provide additional nutritional information. Finally, 3,276 tailored nutrition messages and 60 nutrition contents for applications were developed. CONCLUSIONS Smartphone applications may be an innovative medium to deliver interventions for eating behavior changes directly to individuals with favorable cost-effectiveness. In addition, using the TTM for tailored nutrition education for healthy eating is an effective approach.
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Affiliation(s)
- Ji Eun Lee
- Department of Foodservice Management and Nutrition, Sangmyung University, 20 Hongjimun 2-gil, Jongno-gu, Seoul 03016, Korea
| | - Da Eun Lee
- Department of Foodservice Management and Nutrition, Sangmyung University, 20 Hongjimun 2-gil, Jongno-gu, Seoul 03016, Korea
| | - Kirang Kim
- Department of Food Science and Nutrition, Dankook University, Chungnam 31116, Korea
| | - Jae Eun Shim
- Department of Food and Nutrition, Daejeon University, Daejeon 34520, Korea
| | - Eunju Sung
- Department of Family Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Jae-Heon Kang
- Department of Family Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul 04551, Korea
| | - Ji-Yun Hwang
- Department of Foodservice Management and Nutrition, Sangmyung University, 20 Hongjimun 2-gil, Jongno-gu, Seoul 03016, Korea
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17
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Beheshti R, Jalalpour M, Glass TA. Comparing methods of targeting obesity interventions in populations: An agent-based simulation. SSM Popul Health 2017; 3:211-218. [PMID: 29349218 PMCID: PMC5769018 DOI: 10.1016/j.ssmph.2017.01.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 01/18/2017] [Accepted: 01/18/2017] [Indexed: 11/29/2022] Open
Abstract
Social networks as well as neighborhood environments have been shown to effect obesity-related behaviors including energy intake and physical activity. Accordingly, harnessing social networks to improve targeting of obesity interventions may be promising to the extent this leads to social multiplier effects and wider diffusion of intervention impact on populations. However, the literature evaluating network-based interventions has been inconsistent. Computational methods like agent-based models (ABM) provide researchers with tools to experiment in a simulated environment. We develop an ABM to compare conventional targeting methods (random selection, based on individual obesity risk, and vulnerable areas) with network-based targeting methods. We adapt a previously published and validated model of network diffusion of obesity-related behavior. We then build social networks among agents using a more realistic approach. We calibrate our model first against national-level data. Our results show that network-based targeting may lead to greater population impact. We also present a new targeting method that outperforms other methods in terms of intervention effectiveness at the population level. While behavioral interventions exist for obesity, uncertainty remains about how best to target those interventions to maximize population-level impact. Agent-based models are simulation tools that can be used to evaluate different targeting strategies to help policy makers. Targeting intervention resources using social networks may lead to greater population impact of behavioral interventions compared to traditional methods of targeting.
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Affiliation(s)
- Rahmatollah Beheshti
- Johns Hopkins Bloomberg School of Public Health and Whiting School of Engineering, United States
| | - Mehdi Jalalpour
- Washkewicz College of Engineering, Cleveland State University, United States
| | - Thomas A Glass
- Johns Hopkins Bloomberg School of Public Health, United States
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18
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O'Neil CE, Nicklas TA. State of the Art Reviews: Relationship Between Diet/ Physical Activity and Health. Am J Lifestyle Med 2016. [DOI: 10.1177/1559827607306433.] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Obesity and 4 of the leading causes of death—heart disease, cancer, stroke, and type 2 diabetes mellitus—are related to lifestyle. The combination of a healthy weight, prudent diet, and daily physical activity clearly plays a role in primary, secondary, and tertiary prevention of these and other chronic diseases. Because nearly 65% of the adult population is overweight or obese, weight loss and maintenance are central to this review article. Improved lipid profiles, blood pressure, insulin sensitivity, and euglycemia are associated with weight loss or a normal body weight; thus, maintaining a healthy weight is a universal recommendation for health. The methods for improving lifestyle described in the section on obesity include assessing nutritional status and stages of change of the client, setting realistic goals, eating a diet high in fruits and vegetables with low-fat sources of dairy and protein, and achieving appropriate physical activity levels. The importance of physicians discussing weight with clients and vice versa is stressed. The common features of lifestyle-related diseases make them amenable to similar lifestyle interventions.
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Affiliation(s)
- Carol E. O'Neil
- Department of Pediatrics, Children's Nutrition Research Center, Baylor
College of Medicine, Houston, Texas (TAN)
| | - Theresa A. Nicklas
- Department of Pediatrics, Children's Nutrition Research Center, 1100
Bates Avenue, Baylor College of Medicine, Houston, TX 77030-2600,
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19
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Lee H, Kim Y. Effects of an Obesity Intervention Integrating Physical Activity and Psychological Strategy on BMI, Physical Activity, and Psychological Variables in Male Obese Adolescents. Behav Med 2016; 41:195-202. [PMID: 24766554 DOI: 10.1080/08964289.2014.914463] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The current study investigated the effect of an obesity intervention incorporating physical activity and behavior-based motivational enhancement intervention on BMI, physical activity levels, and psychological variables toward physical activity in male obese adolescents. Single group study without having a control group was carried out in Korea. Sixty-eight obese male adolescents who had BMI greater than 25 kg/m(2) participated in the 16-week obesity intervention. During this period, the study participants' BMI, physical activity levels, self-efficacy, and perceived benefits and barriers were measured at the three time point (baseline, after week 8, and after week 16). Results indicated that obese adolescents' BMI significantly decreased (F = 3.51, p = .03) and physical activity (F = 4.01, p = .02) significantly increased over the 16-week obesity intervention. In addition, Exercise self-efficacy (F = 5.02) and perceived benefits toward physical activity (F = 5.34) significantly increased but perceived barriers of physical activity (F = 5.10) gradually decreased over the intervention. This study suggests that an obesity intervention combining physical activity and behavior-based motivational enhancement intervention significantly contributed to decreased BMI, increased physical activity, and positively changed psychological variables related to physical activity. This first application has resulted in preliminary support for this intervention modality within non-western obese adolescents.
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Affiliation(s)
- HakGweon Lee
- a Seoul National University of Science and Technology
| | - YoungHo Kim
- a Seoul National University of Science and Technology
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20
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Eaton CB, Hartman SJ, Perzanowski E, Pan G, Roberts MB, Risica PM, Gans KM, Jakicic JM, Marcus BH. A Randomized Clinical Trial of a Tailored Lifestyle Intervention for Obese, Sedentary, Primary Care Patients. Ann Fam Med 2016; 14:311-9. [PMID: 27401418 PMCID: PMC4940460 DOI: 10.1370/afm.1952] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 03/22/2016] [Indexed: 12/12/2022] Open
Abstract
PURPOSE The aim of the study was to test a tailored lifestyle intervention for helping obese primary care patients achieve weight loss and increase physical activity. METHODS We conducted a 24-month randomized clinical trial in Rhode Island. Primary care physicians identified obese, sedentary patients motivated to lose weight and increase their moderate to vigorous physical activity. These patients were randomized to 1 of 2 experimental groups: enhanced intervention (EI) or standard intervention (SI). Both groups received 3 face-to-face weight loss meetings. The enhanced intervention group also received telephone counseling calls, individually tailored print materials, and DVDs focused on diet and physical activity. Active intervention occurred in year 1 with a tapered maintenance phase in year 2. RESULTS Two hundred eleven obese, sedentary patients were recruited from 24 primary care practices. Participants were 79% women and 16% minorities. They averaged 48.6 years of age, with a mean body mass index (BMI) of 37.8 kg/m(2), and 21.2 minutes/week of moderate to vigorous physical activity. Significantly more EI participants lost 5% of their baseline weight than SI participants (group by visit, P <.001). The difference was significant during active treatment at 6 months (37.2% EI vs 12.9% SI) and 12 months (47.8% vs 11.6%), but was no longer significant during the maintenance phase at 18 months (31.4% vs 26.7%,) or 24 months (33.3% vs 24.6%). The EI group reported significantly more minutes of moderate to vigorous physical activity over time than the SI group (group by visit, P = 0.04). The differences in minutes per week at 6 months was 95.7 for the EI group vs 68.3 minutes for the SI group; at 12 months, it was 126.1 vs 73.7; at 18 months, 103.7 vs 63.7, and at 24 months, 101.3 vs 75.4. Similar trends were found for absolute weight loss and the percentage reaching national guidelines for physical activity. CONCLUSION A home-based tailored lifestyle intervention in obese, sedentary primary care patients was effective in promoting weight loss and increasing moderate to vigorous physical activity, with the effects peaking at 12 months but waning at 24 months.
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Affiliation(s)
- Charles B Eaton
- Alpert Medical School of Brown University, Providence, Rhode Island Department of Epidemiology, School of Public Health of Brown University, Providence, Rhode Island Center for Primary Care and Prevention, Memorial Hospital of Rhode Island, Pawtucket, Rhode Island
| | - Sheri J Hartman
- Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California Cancer Prevention and Control, UC San Diego Moores Cancer Center, La Jolla, California
| | - Elizabeth Perzanowski
- Center for Primary Care and Prevention, Memorial Hospital of Rhode Island, Pawtucket, Rhode Island
| | - Guohui Pan
- Center for Primary Care and Prevention, Memorial Hospital of Rhode Island, Pawtucket, Rhode Island
| | - Mary B Roberts
- Center for Primary Care and Prevention, Memorial Hospital of Rhode Island, Pawtucket, Rhode Island
| | - Patricia M Risica
- Department of Epidemiology, School of Public Health of Brown University, Providence, Rhode Island Institute for Community Health Promotion, School of Public Health, Brown University, Providence, Rhode Island
| | - Kim M Gans
- Institute for Community Health Promotion, School of Public Health, Brown University, Providence, Rhode Island Department of Behavioral and Social Sciences, School of Public Health, Brown University, Providence, Rhode Island Department of Human Development and Family Studies, University of Connecticut, Storrs, Connecticut Center for Health Interventions and Prevention, University of Connecticut, Storrs, Connecticut
| | - John M Jakicic
- Department of Health and Physical Activity, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Bess H Marcus
- Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California
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Liss DT, Finch EA, Gregory DL, Cooper A, Ackermann RT. Design and participant characteristics for a randomized effectiveness trial of an intensive lifestyle intervention to reduce cardiovascular risk in adults with type 2 diabetes: The I-D-HEALTH study. Contemp Clin Trials 2015; 46:114-121. [PMID: 26611433 DOI: 10.1016/j.cct.2015.11.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 11/17/2015] [Accepted: 11/19/2015] [Indexed: 01/15/2023]
Abstract
Intervening in Diabetes with Healthy Eating, Activity and Linkages To Healthcare (I-D-HEALTH) is a community-based randomized trial evaluating the effectiveness of a group-based adaption of the Look AHEAD intensive lifestyle intervention. Most potentially eligible patients were identified through electronic medical record queries or referral to a diabetes resource hub. Trial enrollees had a usual source of primary care, elevated body mass index (BMI) and type 2 diabetes. I-D-HEALTH participants were randomized to either standard care alone or standard care plus free-of-charge access to a group-based lifestyle intervention (GLI) offered by the YMCA. GLI participation was encouraged, but not required, for the latter group. The primary outcome is percent weight change over 6, 12 and 24months. Secondary outcomes include direct intervention costs and direct medical and non-medical expenditures, as well as changes in systolic blood pressure, hemoglobin A1c and cholesterol. Among 331 I-D-HEALTH participants, 167 were randomized to standard care and 164 to GLI. The mean age (±standard deviation) in each group was 57.1years (±12.2) and 57.6years (±10.5), respectively. Mean BMI was 34.9kg/m(2) (±7.3) among standard care participants and 36.2kg/m(2) (±7.8) among GLI participants. In both groups, approximately one third of participants were non-Hispanic Whites. We detected no significant differences between groups in mean systolic blood pressure, hemoglobin A1c or total cholesterol (P >0.05 for all characteristics above). The I-D-HEALTH study enrolled a diverse sample of adults with diabetes and offers a unique opportunity to evaluate the effectiveness of offering a community-based intensive lifestyle intervention.
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Affiliation(s)
- David T Liss
- Center for Community Health, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States.
| | - Emily A Finch
- Center for Community Health, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Dyanna L Gregory
- Center for Community Health, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Andrew Cooper
- Center for Community Health, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Ronald T Ackermann
- Center for Community Health, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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Huber JM, Shapiro JS, Wieland ML, Croghan IT, Vickers Douglas KS, Schroeder DR, Hathaway JC, Ebbert JO. Telecoaching plus a portion control plate for weight care management: a randomized trial. Trials 2015; 16:323. [PMID: 26223309 PMCID: PMC4518583 DOI: 10.1186/s13063-015-0880-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 07/21/2015] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Obesity is a leading preventable cause of death and disability and is associated with a lower health-related quality of life. We evaluated the impact of telecoaching conducted by a counselor trained in motivational interviewing paired with a portion control plate for obese patients in a primary care setting. METHODS We conducted a randomized, clinical trial among patients in a primary care practice in the midwestern United States. Patients were randomized to either usual care or an intervention including telecoaching with a portion control plate. The intervention was provided during a 3-month period with follow-up of all patients through 6 months after randomization. The primary outcomes were weight, body mass index (BMI),waist circumference, and waist to hip ratio measured at baseline, 6, 12, 18, and 24 weeks. Secondary outcomes included measures assessing eating behaviors, self-efficacy, and physical activity at baseline and at 12 and 24 weeks. RESULTS A total of 1,101 subjects were pre-screened, and 90 were randomly assigned to telecoaching plus portion control plate (n = 45) or usual care (n = 45). Using last-value carried forward without adjustment for baseline demographics, significant reductions in BMI (estimated treatment effect -0.4 kg/m(2), P = .038) and waist to hip ratio (estimated treatment effect -.02, P = .037) at 3 months were observed in the telecoaching plus portion control plate group compared to usual care. These differences were not statistically significant at 6 months. In females, the telecoaching plus portion control plate intervention was associated with significant reductions in weight and BMI at both 3 months (estimated treatment effect -1.6 kg, P = .016 and -0.6 kg/m(2), P = .020) and 6 months (estimated treatment effect -2.3 kg, P = .013 and -0.8 kg/m(2), P = .025). In males, the telecoaching plus portion control intervention was associated with a significant reduction in waist to hip ratio at 3 months (estimated treatment effect -0.04, P = .017), but failed to show a significant difference in weight and BMI. CONCLUSION Telecoaching with a portion control plate can produce positive change in body habitus among obese primary care patients; however, changes depend upon sex. TRIAL REGISTRATION ClinicalTrials.gov NCT02373878, 13 February 2015. https://clinicaltrials.gov/ct2/show/NCT02373878.
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Affiliation(s)
- Jill M Huber
- Division of Primary Care Internal Medicine, Department of Medicine, Rochester, MN, 55905, USA.
| | - Joshua S Shapiro
- Division of Internal Medicine, Department of Medicine, Rochester, MN, 55905, USA.
| | - Mark L Wieland
- Division of Primary Care Internal Medicine, Department of Medicine, Rochester, MN, 55905, USA.
| | - Ivana T Croghan
- Division of Primary Care Internal Medicine, Department of Medicine, Rochester, MN, 55905, USA.
| | | | - Darrell R Schroeder
- Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, 55905, USA.
| | - Julie C Hathaway
- Patient Education and Consulting Services, Mayo Clinic, Rochester, MN, 55905, USA.
| | - Jon O Ebbert
- Division of Primary Care Internal Medicine, Department of Medicine, Rochester, MN, 55905, USA.
- Mayo Clinic, 200 First Street Southwest, Rochester, MN, 55905, USA.
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Bully P, Sánchez Á, Zabaleta-del-Olmo E, Pombo H, Grandes G. Evidence from interventions based on theoretical models for lifestyle modification (physical activity, diet, alcohol and tobacco use) in primary care settings: A systematic review. Prev Med 2015; 76 Suppl:S76-93. [PMID: 25572619 DOI: 10.1016/j.ypmed.2014.12.020] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 12/19/2014] [Accepted: 12/26/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To determine the effectiveness of health promotion interventions based on theoretical models of behavioral change to modify the main lifestyle factors (physical activity, diet, alcohol and tobacco) in adults receiving primary health care (PHC). METHODS We searched the MEDLINE and Cochrane Database of Systematic Reviews from January 2000 to December 2012. Two reviewers independently performed the first screening of titles and abstracts, the methodological quality assessment using the lecturacritica.com tool, and the extraction of necessary data to systematize the available information. RESULTS Only few studies met the inclusion criteria (17 studies from 30 articles). Thirteen were randomized controlled trials, three systematic reviews, and one observational study. The transtheoretical model was the most frequent (13 studies), and obtained strong evidence of its effectiveness for dietary interventions in the short-term and for smoking cessation interventions in the long-term as compared to usual PHC practice. Limited evidence was found for smoking cessation interventions based in the social cognitive theory. CONCLUSION There are few studies that explicitly link intervention strategies and theories of behavioral change. A rigorous evaluation of the theoretical principles could help researchers and practitioners to understand how and why interventions succeed or fail.
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Affiliation(s)
- Paola Bully
- Primary Care Research Unit of Bizkaia, Basque Health Service-Osakidetza, Spain.
| | - Álvaro Sánchez
- Primary Care Research Unit of Bizkaia, Basque Health Service-Osakidetza, Spain
| | | | - Haizea Pombo
- Primary Care Research Unit of Bizkaia, Basque Health Service-Osakidetza, Spain
| | - Gonzalo Grandes
- Primary Care Research Unit of Bizkaia, Basque Health Service-Osakidetza, Spain
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Booth HP, Prevost TA, Wright AJ, Gulliford MC. Effectiveness of behavioural weight loss interventions delivered in a primary care setting: a systematic review and meta-analysis. Fam Pract 2014; 31:643-53. [PMID: 25298510 PMCID: PMC4240316 DOI: 10.1093/fampra/cmu064] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Overweight and obesity have negative health effects. Primary care clinicians are best placed to intervene in weight management. Previous reviews of weight loss interventions have included studies from specialist settings. The aim of this review was to estimate the effect of behavioural interventions delivered in primary care on body weight in overweight and obese adults. METHODS The review included randomized controlled trials (RCTs) of behavioural interventions in obese or overweight adult participants in a primary care setting, with weight loss as the primary outcome, and a minimum of 12 months of follow-up. A systematic search strategy was implemented in Medline, Embase, Web of Science and the Cochrane Central Registry of Controlled Trials. Risk of bias was assessed using the Cochrane Risk of Bias tool and behavioural science components of interventions were evaluated. Data relating to weight loss in kilograms were extracted, and the results combined using meta-analysis. RESULTS Fifteen RCTs, with 4539 participants randomized, were selected for inclusion. The studies were heterogeneous with respect to inclusion criteria and type of intervention. Few studies reported interventions informed by behavioural science theory. Pooled results from meta-analysis indicated a mean weight loss of -1.36 kg (-2.10 to -0.63, P < 0.0001) at 12 months, and -1.23 kg (-2.28 to -0.18, P = 0.002) at 24 months. CONCLUSION Behavioural weight loss interventions in primary care yield very small reductions in body weight, which are unlikely to be clinically significant. More effective management strategies are needed for the treatment of overweight and obesity.
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Affiliation(s)
- Helen P Booth
- Department of Primary Care and Public Health Sciences, King's College London, London, UK.
| | - Toby A Prevost
- Department of Primary Care and Public Health Sciences, King's College London, London, UK
| | - Alison J Wright
- Department of Primary Care and Public Health Sciences, King's College London, London, UK
| | - Martin C Gulliford
- Department of Primary Care and Public Health Sciences, King's College London, London, UK
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Wadden TA, Butryn ML, Hong PS, Tsai AG. Behavioral treatment of obesity in patients encountered in primary care settings: a systematic review. JAMA 2014; 312:1779-91. [PMID: 25369490 PMCID: PMC4443898 DOI: 10.1001/jama.2014.14173] [Citation(s) in RCA: 170] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
IMPORTANCE In 2011, the Centers for Medicare & Medicaid Services (CMS) approved intensive behavioral weight loss counseling for approximately 14 face-to-face, 10- to 15-minute sessions over 6 months for obese beneficiaries in primary care settings, when delivered by physicians and other CMS-defined primary care practitioners. OBJECTIVE To conduct a systematic review of behavioral counseling for overweight and obese patients recruited from primary care, as delivered by primary care practitioners working alone or with trained interventionists (eg, medical assistants, registered dietitians), or by trained interventionists working independently. EVIDENCE REVIEW We searched PubMed, CINAHL, and EMBASE for randomized controlled trials published between January 1980 and June 2014 that recruited overweight and obese patients from primary care; provided behavioral counseling (ie, diet, exercise, and behavioral therapy) for at least 3 months, with at least 6 months of postrandomization follow-up; included at least 15 participants per treatment group and objectively measured weights; and had a comparator, an intention-to-treat analysis, and attrition of less than 30% at 1 year or less than 40% at longer follow-up. FINDINGS Review of 3304 abstracts yielded 12 trials, involving 3893 participants, that met inclusion-exclusion criteria and prespecified quality ratings. No studies were found in which primary care practitioners delivered counseling that followed the CMS guidelines. Mean 6-month weight changes from baseline in the intervention groups ranged from a loss of 0.3 kg to 6.6 kg. In the control group, mean change ranged from a gain of 0.9 kg to a loss of 2.0 kg. Weight loss in both groups generally declined with longer follow-up (12-24 months). Interventions that prescribed both reduced energy intake (eg, ≥ 500 kcal/d) and increased physical activity (eg, ≥150 minutes a week of walking), with traditional behavioral therapy, generally produced larger weight loss than interventions without all 3 specific components. In the former trials, more treatment sessions, delivered in person or by telephone by trained interventionists, were associated with greater mean weight loss and likelihood of patients losing 5% or more of baseline weight. CONCLUSIONS AND RELEVANCE Intensive behavioral counseling can induce clinically meaningful weight loss, but there is little research on primary care practitioners providing such care. The present findings suggest that a range of trained interventionists, who deliver counseling in person or by telephone, could be considered for treating overweight or obesity in patients encountered in primary care settings.
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Affiliation(s)
- Thomas A. Wadden
- University of Pennsylvania Perelman School of Medicine, Department of Psychiatry, Philadelphia, PA
| | | | - Patricia S. Hong
- University of Pennsylvania Perelman School of Medicine, Department of Psychiatry, Philadelphia, PA
| | - Adam G. Tsai
- University of Colorado School of Medicine, Aurora, CO and Kaiser Permanente of Colorado, Denver, CO
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Moreira RADM, Santos LCD, Menezes MCD, Lopes ACS. Eating behavior toward oil and fat consumption versus dietary fat intake. REV NUTR 2014. [DOI: 10.1590/1415-52732014000400006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objective: To analyze whether the stages of change of the Transtheoretical Model are in accordance with the fat consumption of members of the Academia da Cidade of Belo Horizonte, Minas Gerais. Methods: This cross-sectional study included a simple random sample of users aged ≥20 years frequenting an Academia da Cidade. Eating behavior toward oil and fat consumption was evaluated by the transtheoretical model and compared with fat intake adequacy, obtained through mean fat intake was investigated by three 24-hour recalls. Anthropometric and sociodemographic data were also collected. Additionally, the stages of change were verified, after reclassification the stages of change agreed with the consumption of fatty foods, fats, and fractions. Results: A total of 131 women with a mean age of 53.9±12.1 had an average fatty acid consumption of 556.0 mL. Some participants consumed high-fat foods, lipids (20.6%), saturated (31.3%) and polyunsaturated (38.2%) fatty acids, and cholesterol (16.0%) in excess. The stages of eating behavior were significantly different after reclassification. The number of women in action and maintenance decreased in a way that in the end, 4.6% were in precontemplation, 19.8% were in contemplation, 26.0% were in preparation, 28.2% were in action, and 21.4% were in maintenance. The consumption of chicken skin; fatty salad dressing; bread, doughnuts or cake with butter/margarine; and fats, saturated fatty acids, and monounsaturated fatty acids was lower in the final stages of the transtheoretical model. Conclusion: After reclassification the algorithm is in agreement with the ingestion of high-fat foods, which denotes its applicability for the evaluation of eating behavior and for providing data to food and nutrition education actions.
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Hartmann-Boyce J, Johns DJ, Jebb SA, Aveyard P. Effect of behavioural techniques and delivery mode on effectiveness of weight management: systematic review, meta-analysis and meta-regression. Obes Rev 2014; 15:598-609. [PMID: 24636238 PMCID: PMC4237119 DOI: 10.1111/obr.12165] [Citation(s) in RCA: 152] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 01/25/2014] [Accepted: 02/09/2014] [Indexed: 12/20/2022]
Abstract
A systematic review, meta-analysis and meta-regression were conducted to evaluate the effectiveness of behavioural weight management programmes and examine how programme characteristics affect mean weight loss. Randomized controlled trials of multicomponent behavioural weight management programmes in overweight and obese adults were included. References were obtained through systematic searches of electronic databases (conducted November 2012), screening reference lists and contacting experts. Two reviewers extracted data and evaluated risk of bias. Thirty-seven studies, representing over 16,000 participants, were included. The pooled mean difference in weight loss at 12 months was -2.8 kg (95% confidence interval [CI] -3.6 to -2.1, P < 0.001). I(2) indicated that 93% of the variability in outcome was due to differences in programme effectiveness. Meta-analysis showed no evidence that supervised physical activity sessions (mean difference 1.1 kg, 95% CI -2.65 to 4.79, P = 0.08), more frequent contact (mean difference -0.3 kg, 95% CI -0.7 to 0.2, P = 0.25) or in-person contact (mean difference 0.0 kg, 95% CI -1.8 to 1.8, P = 0.06) were related to programme effectiveness at 12 months. In meta-regression, calorie counting (-3.3 kg, 95% CI -4.6 to -2.0, P = 0.027), contact with a dietitian (-1.5 kg, 95% CI -2.9 to -0.2, P < 0.001) and use of behaviour change techniques that compare participants' behaviour with others (-1.5 kg, 95% CI -2.9 to -0.1, P = 0.032) were associated with greater weight loss. There was no evidence that other programme characteristics were associated with programme effectiveness. Most but not all behavioural weight management programmes are effective. Programmes that support participants to count calories or include a dietitian may be more effective, but the programme characteristics explaining success are mainly unknown.
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Affiliation(s)
- J Hartmann-Boyce
- Department of Primary Care Health Sciences, Radcliffe Observatory Quarter, University of Oxford, Oxford, UK
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Expert Panel Report: Guidelines (2013) for the management of overweight and obesity in adults. Obesity (Silver Spring) 2014; 22 Suppl 2:S41-410. [PMID: 24227637 DOI: 10.1002/oby.20660] [Citation(s) in RCA: 121] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Executive summary: Guidelines (2013) for the management of overweight and obesity in adults: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and the Obesity Society published by the Obesity Society and American College of Cardiology/American Heart Association Task Force on Practice Guidelines. Based on a systematic review from the The Obesity Expert Panel, 2013. Obesity (Silver Spring) 2014; 22 Suppl 2:S5-39. [PMID: 24961825 DOI: 10.1002/oby.20821] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Hartman SJ, Risica PM, Gans KM, Marcus BH, Eaton CB. Tailored weight loss intervention in obese adults within primary care practice: rationale, design, and methods of Choose to Lose. Contemp Clin Trials 2014; 38:409-19. [PMID: 24937016 DOI: 10.1016/j.cct.2014.06.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 05/29/2014] [Accepted: 06/05/2014] [Indexed: 11/18/2022]
Abstract
Although there are efficacious weight loss interventions that can improve health and delay onset of diabetes and hypertension, these interventions have not been translated into clinical practice. The primary objective of this study is to evaluate the effectiveness and cost effectiveness of a tailored lifestyle intervention in primary care patients. Patients were recruited by their primary care physicians and eligible participants were randomized to an enhanced intervention or standard intervention. All participants met with a lifestyle counselor to set calorie and physical activity goals and to discuss behavioral strategies at baseline, 6 and 12 months. During the first year, enhanced intervention participants receive monthly counseling phone calls to assist in attaining and maintaining their goals. Enhanced intervention participants also receive weekly mailings consisting of tailored and non-tailored print materials and videos focusing on weight loss, physical activity promotion and healthy eating. The second year focuses on maintenance with enhanced intervention participants receiving tailored and non-tailored print materials and videos regularly throughout the year. Standard intervention participants receive five informational handouts on weight loss across the two years. This enhanced intervention that consists of multiple modalities of print, telephone, and video with limited face-to-face counseling holds promise for being effective for encouraging weight loss, increasing physical activity and healthy eating, and also for being cost effective and generalizable for wide clinical use. This study will fill an important gap in our knowledge regarding the translation and dissemination of research from efficacy studies to best practices in clinical settings.
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Affiliation(s)
- Sheri J Hartman
- Program in Public Health, Department of Family and Preventive Medicine, University of California San Diego, San Diego, CA, USA; Cancer Prevention and Control, University of California San Diego Moores Cancer Center, San Diego, CA, USA.
| | - Patricia M Risica
- Institute for Community Health Promotion, Brown University School of Public Health, Providence, RI, USA; Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
| | - Kim M Gans
- Institute for Community Health Promotion, Brown University School of Public Health, Providence, RI, USA; Department of Behavioral and Social Sciences, School of Public Health, Brown University, Providence, RI, USA
| | - Bess H Marcus
- Program in Public Health, Department of Family and Preventive Medicine, University of California San Diego, San Diego, CA, USA
| | - Charles B Eaton
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA; Center for Primary Care and Prevention, Memorial Hospital of Rhode Island, Pawtucket, RI, USA; Department of Family Medicine, Alpert Medical School of Brown University, Providence, RI, USA
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Tsai AG, Fabricatore AN, Wadden TA, Higginbotham AJ, Anderson A, Foreyt J, Hill JO, Jeffery R, Gluck ME, Lipkin EW, Reeves RS, Van Dorsten B. Readiness redefined: a behavioral task during screening predicted 1-year weight loss in the look AHEAD study. Obesity (Silver Spring) 2014; 22:1016-23. [PMID: 24151217 PMCID: PMC4109684 DOI: 10.1002/oby.20648] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 10/09/2013] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Predicting outcome in weight loss trials from baseline characteristics has proved difficult. Readiness to change is typically measured by self-report. METHODS Performance of a behavioral task, completion of food records, from the screening period in the Look AHEAD study (n = 549 at four clinical centers) was assessed. Completeness of records was measured by the number of words and Arabic numerals (numbers) recorded per day, the number of eating episodes per day, and days per week where physical activity was noted. The primary outcome was weight loss at one year. RESULTS In univariable analysis, both the number of words recorded and the number of numbers recorded were associated with greater weight loss. In multivariable analysis, individuals who recorded 20-26, 27-33, and ≥34 words per day lost 9.12%, 11.40%, and 12.08% of initial weight, compared to 8.98% for individuals who recorded less than 20 words per day (P values of 0.87, 0.008, and <0.001, respectively, compared to <20 words per day). CONCLUSIONS Participants who kept more detailed food records at screening lost more weight after 1 year than individuals who kept sparser records. The use of objective behavioral screening tools may improve the assessment of weight loss readiness.
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Affiliation(s)
- Adam G. Tsai
- University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | - Thomas A. Wadden
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | - James O. Hill
- University of Colorado School of Medicine, Aurora, Colorado, USA
| | | | - Marci E. Gluck
- National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, AZ
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Mastellos N, Gunn LH, Felix LM, Car J, Majeed A. Transtheoretical model stages of change for dietary and physical exercise modification in weight loss management for overweight and obese adults. Cochrane Database Syst Rev 2014; 2014:CD008066. [PMID: 24500864 PMCID: PMC10088065 DOI: 10.1002/14651858.cd008066.pub3] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Obesity is a global public health threat. The transtheoretical stages of change (TTM SOC) model has long been considered a useful interventional approach in lifestyle modification programmes, but its effectiveness in producing sustainable weight loss in overweight and obese individuals has been found to vary considerably. OBJECTIVES To assess the effectiveness of dietary intervention or physical activity interventions, or both, and other interventions based on the transtheoretical model (TTM) stages of change (SOC) to produce sustainable (one year and longer) weight loss in overweight and obese adults. SEARCH METHODS Studies were obtained from searches of multiple electronic bibliographic databases. We searched The Cochrane Library, MEDLINE, EMBASE and PsycINFO. The date of the last search, for all databases, was 17 December 2013. SELECTION CRITERIA Trials were included if they fulfilled the criteria of randomised controlled clinical trials (RCTs) using the TTM SOC as a model, that is a theoretical framework or guideline in designing lifestyle modification strategies, mainly dietary and physical activity interventions, versus a comparison intervention of usual care; one of the outcome measures of the study was weight loss, measured as change in weight or body mass index (BMI); participants were overweight or obese adults only; and the intervention was delivered by healthcare professionals or trained lay people at the hospital and community level, including at home. DATA COLLECTION AND ANALYSIS Two review authors independently extracted the data, assessed studies for risk of bias and evaluated overall study quality according to GRADE (Grading of Recommendations Assessment, Development and Evaluation). We resolved disagreements by discussion or consultation with a third party. A narrative, descriptive analysis was conducted for the systematic review. MAIN RESULTS A total of three studies met the inclusion criteria, allocating 2971 participants to the intervention and control groups. The total number of participants randomised to the intervention groups was 1467, whilst 1504 were randomised to the control groups. The length of intervention was 9, 12 and 24 months in the different trials. The use of TTM SOC in combination with diet or physical activity, or both, and other interventions in the included studies produced inconclusive evidence that TTM SOC interventions led to sustained weight loss (the mean difference between intervention and control groups varied from 2.1 kg to 0.2 kg at 24 months; 2971 participants; 3 trials; low quality evidence). Following application of TTM SOC there were improvements in physical activity and dietary habits, such as increased exercise duration and frequency, reduced dietary fat intake and increased fruit and vegetable consumption (very low quality evidence). Weight gain was reported as an adverse event in one of the included trials. None of the trials reported health-related quality of life, morbidity, or economic costs as outcomes. The small number of studies and their variable methodological quality limit the applicability of the findings to clinical practice. The main limitations include inadequate reporting of outcomes and the methods for allocation, randomisation and blinding; extensive use of self-reported measures to estimate the effects of interventions on a number of outcomes, including weight loss, dietary consumption and physical activity levels; and insufficient assessment of sustainability due to lack of post-intervention assessments. AUTHORS' CONCLUSIONS The evidence to support the use of TTM SOC in weight loss interventions is limited by risk of bias and imprecision, not allowing firm conclusions to be drawn. When combined with diet or physical activity, or both, and other interventions we found very low quality evidence that it might lead to better dietary and physical activity habits. This systematic review highlights the need for well-designed RCTs that apply the principles of the TTM SOC appropriately to produce conclusive evidence about the effect of TTM SOC lifestyle interventions on weight loss and other health outcomes.
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Affiliation(s)
- Nikolaos Mastellos
- Imperial College LondonGlobal eHealth Unit, Department of Primary Care and Public Health, School of Public HealthSt Dunstans RoadLondonHammersmithUKW6 8RP
| | - Laura H Gunn
- Stetson UniversityIntegrative Health Science421 N Woodland BlvdUnit 8317DeLandFloridaUSA32723
| | - Lambert M Felix
- School of Public Health, Imperial College LondonGlobal eHealth Unit, Department of Primary Care and Public HealthSt Dunstans RoadLondonUKW6 8RP
| | - Josip Car
- Imperial College LondonGlobal eHealth Unit, Department of Primary Care and Public Health, School of Public HealthSt Dunstans RoadLondonHammersmithUKW6 8RP
| | - Azeem Majeed
- Imperial College LondonDepartment of Primary Care and Public HealthThe Reynolds Building, Charing Cross CampusSt Dunstan's RoadLondonUKW6 8RP
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Jensen MD, Ryan DH, Apovian CM, Ard JD, Comuzzie AG, Donato KA, Hu FB, Hubbard VS, Jakicic JM, Kushner RF, Loria CM, Millen BE, Nonas CA, Pi-Sunyer FX, Stevens J, Stevens VJ, Wadden TA, Wolfe BM, Yanovski SZ. 2013 AHA/ACC/TOS guideline for the management of overweight and obesity in adults: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and The Obesity Society. J Am Coll Cardiol 2013; 63:2985-3023. [PMID: 24239920 DOI: 10.1016/j.jacc.2013.11.004] [Citation(s) in RCA: 1401] [Impact Index Per Article: 127.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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What are the most effective techniques in changing obese individuals' physical activity self-efficacy and behaviour: a systematic review and meta-analysis. Int J Behav Nutr Phys Act 2013; 10:29. [PMID: 23452345 PMCID: PMC3639155 DOI: 10.1186/1479-5868-10-29] [Citation(s) in RCA: 308] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Accepted: 02/26/2013] [Indexed: 01/22/2023] Open
Abstract
Increasing self-efficacy is generally considered to be an important mediator of the effects of physical activity interventions. A previous review identified which behaviour change techniques (BCTs) were associated with increases in self-efficacy and physical activity for healthy non-obese adults. The aim of the current review was to identify which BCTs increase the self-efficacy and physical activity behaviour of obese adults. A systematic search identified 61 comparisons with obese adults reporting changes in self-efficacy towards engaging in physical activity following interventions. Of those comparisons, 42 also reported changes in physical activity behaviour. All intervention descriptions were coded using Michie et al's (2011) 40 item CALO-RE taxonomy of BCTs. Meta-analysis was conducted with moderator analyses to examine the association between whether or not each BCT was included in interventions, and size of changes in both self-efficacy and physical activity behaviour. Overall, a small effect of the interventions was found on self-efficacy (d = 0.23, 95% confidence interval (CI): 0.16-0.29, p < 0.001) and a medium sized effect on physical activity behaviour (d = 0.50, 95% CI 0.38-0.63, p < 0.001). Four BCTs were significantly associated with positive changes in self-efficacy; 'action planning', 'time management', 'prompt self-monitoring of behavioural outcome' and 'plan social support/social change'. These latter two BCTs were also associated with positive changes in physical activity. An additional 19 BCTs were associated with positive changes in physical activity. The largest effects for physical activity were found where interventions contained 'teach to use prompts/cues', 'prompt practice' or 'prompt rewards contingent on effort or progress towards behaviour'. Overall, a non-significant relationship was found between change in self-efficacy and change in physical activity (Spearman's Rho = -0.18 p = 0.72). In summary, the majority of techniques increased physical activity behaviour, without having discernible effects on self-efficacy. Only two BCTs were associated with positive changes in both physical activity self-efficacy and behaviour. This is in contrast to the earlier review which found a strong relationship between changes in physical activity self-efficacy and behaviour. Mechanisms other than self-efficacy may be more important for increasing the physical activity of obese individuals compared with non-obese individuals.
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Carvajal R, Wadden TA, Tsai AG, Peck K, Moran CH. Managing obesity in primary care practice: a narrative review. Ann N Y Acad Sci 2013; 1281:191-206. [PMID: 23323827 PMCID: PMC3618542 DOI: 10.1111/nyas.12004] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This narrative review examines randomized controlled trials of the management of obesity in primary care practice, in light of the Centers for Medicare and Medicaid Services’ decision to support intensive behavioral weight loss counseling provided by physicians and related health professionals. Mean weight losses of 0.1–2.3 kg were observed with brief (10- to 15-min) behavioral counseling delivered by primary care providers (PCPs) at monthly to quarterly visits. Losses increased to 1.7–7.5 kg when brief PCP counseling was combined with weight loss medication. Collaborative treatment, in which medical assistants delivered brief monthly behavioral counseling in conjunction with PCPs, produced losses of 1.6–4.6 kg in periods up to two years. Remotely delivered, intensive (>monthly contact) behavioral counseling, as offered by telephone, yielded losses of 0.4–5.1 kg over the same period. Further study is needed of the frequency and duration of visits required to produce clinically meaningful weight loss (>5%) in primary care patients. In addition, trials are needed that examine the cost-effectiveness of PCP-delivered counseling, compared with that potentially provided by registered dietitians or well-studied commercial programs.
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Affiliation(s)
- Raymond Carvajal
- Department of Psychiatry, Center for Weight and Eating Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Noordman J, van der Weijden T, van Dulmen S. Communication-related behavior change techniques used in face-to-face lifestyle interventions in primary care: a systematic review of the literature. PATIENT EDUCATION AND COUNSELING 2012; 89:227-244. [PMID: 22878028 DOI: 10.1016/j.pec.2012.07.006] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 04/23/2012] [Accepted: 07/10/2012] [Indexed: 06/01/2023]
Abstract
OBJECTIVES To systematically review the literature on the relative effectiveness of face-to-face communication-related behavior change techniques (BCTs) provided in primary care by either physicians or nurses to intervene on patients' lifestyle behavior. METHODS PubMed, EMBASE, PsychINFO, CINAHL and The Cochrane Library were searched for studies published before October 2010. Fifty studies were included and assessed on methodological quality. RESULTS Twenty-eight studies reported significantly favorable health outcomes following communication-related BCTs. In these studies, 'behavioral counseling' was most frequently used (15 times), followed by motivational interviewing (eight times), education and advice (both seven times). Physicians and nurses seem equally capable of providing face-to-face communication-related BCTs in primary care. CONCLUSION Behavioral counseling, motivational interviewing, education and advice all seem effective communication-related BCTs. However, BCTs were also found in less successful studies. Furthermore, based on existing literature, one primary care profession does not seem better equipped than the other to provide face-to-face communication-related BCTs. PRACTICE IMPLICATIONS There is evidence that behavioral counseling, motivational interviewing, education and advice can be used as effective communication-related BCTs by physicians and nurses. However, further research is needed to examine the underlying working mechanisms of communication-related BCTs, and whether they meet the requirements of patients and primary care providers.
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Affiliation(s)
- Janneke Noordman
- NIVEL, Netherlands Institute for Health Services Research, Utrecht, The Netherlands.
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A systematic review of behavioural weight-loss interventions involving primary-care physicians in overweight and obese primary-care patients (1999-2011). Public Health Nutr 2012; 16:2083-99. [PMID: 23101456 DOI: 10.1017/s1368980012004375] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The present review aimed to examine the effectiveness of behavioural weight-loss interventions involving primary-care physicians in producing weight loss in overweight and obese primary-care patients. DESIGN A systematic review was conducted by searching online databases (MEDLINE, EMBASE, Cochrane, PsycINFO and SCOPUS) from January 1999 to December 2011. All abstracts were screened and coded for eligibility. The Cochrane Effective Practice and Organisation of Care Group quality criteria were used to assess the methodological adequacy of included studies. Information related to study design, population characteristics and intervention details was extracted. SETTING Primary care. SUBJECTS Overweight or obese (defined as having a BMI > or = 25.0 kg/m2) primary care patients. RESULTS Sixteen different studies were included. Of these, six assessed primary care physicians’ delivery of weight-loss counselling; nine assessed weight-loss counselling delivered by non-physician personnel with monitoring by primary care physicians; and one assessed a multi-component intervention. Overall, high intensity weight-loss counselling by primary-care physicians resulted in moderate but not clinically significant weight loss. High-intensity weight-loss counselling delivered by non-physicians, meal replacements delivered in conjunction with dietitian counselling and referral to commercial weight-loss centre programmes accompanied by regular monitoring by a primary-care physician were effective in producing clinically significant weight loss. Dietitian-delivered care appeared effective in producing weight loss regardless of level of intervention intensity. CONCLUSIONS Overall, there were few studies on this topic and the methodological rigour of some included studies was poor. Additional studies assessing the effectiveness and acceptability of potential interventions are needed to confirm these findings.
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Toth-Capelli KM, Brawer R, Plumb J, Daskalakis C. Stage of change and other predictors of participant retention in a behavioral weight management program in primary care. Health Promot Pract 2012; 14:441-50. [PMID: 23091300 DOI: 10.1177/1524839912460871] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
High attrition often limits the efficacy of weight management programs, particularly those that serve primary care patients. We investigated stage of change and other predictors of retention in a behavioral intervention program that enrolled adult obese patients at three primary care sites. The program included practice improvements and provider training, as well as individual lifestyle counseling and educational group classes for participants. We analyzed predictors of whether participants returned for counseling visits and whether they attended group classes. The 461 participants were mainly women (84%) and minorities (87%), and most of them were in the preparation stage for dietary and physical activity changes. A total of 134 (29%) participants returned for at least one follow-up visit with their counselor and 85 (18%) attended at least one class. Baseline stage of change was not significantly associated with either return visits or class attendance (p = .875 and .182, respectively). Men and participants with children in the household were less likely to return for subsequent counseling sessions (p = .012 and .027, respectively). Age and employment were associated with class attendance (p = .099 and .034, respectively). Focus groups with participants confirmed that reasons for dropout included physical limitations or health issues, family issues, stress, and lack of social support. We conclude that prescreening of patients for readiness to participate and attention to personal barriers related to family and work might improve program retention. More frequent contacts between visits and stronger provider engagement might also strengthen the intervention.
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Health-related quality of life and stages of behavioural change for exercise in overweight/obese individuals. DIABETES & METABOLISM 2012; 38:352-8. [DOI: 10.1016/j.diabet.2012.03.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2011] [Revised: 03/11/2012] [Accepted: 03/12/2012] [Indexed: 01/02/2023]
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Dombrowski SU, Sniehotta FF, Avenell A, Johnston M, MacLennan G, Araújo-Soares V. Identifying active ingredients in complex behavioural interventions for obese adults with obesity-related co-morbidities or additional risk factors for co-morbidities: a systematic review. Health Psychol Rev 2012. [DOI: 10.1080/17437199.2010.513298] [Citation(s) in RCA: 122] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Appel LJ, Clark JM, Yeh HC, Wang NY, Coughlin JW, Daumit G, Miller ER, Dalcin A, Jerome GJ, Geller S, Noronha G, Pozefsky T, Charleston J, Reynolds JB, Durkin N, Rubin RR, Louis TA, Brancati FL. Comparative effectiveness of weight-loss interventions in clinical practice. N Engl J Med 2011; 365:1959-68. [PMID: 22085317 PMCID: PMC4074540 DOI: 10.1056/nejmoa1108660] [Citation(s) in RCA: 528] [Impact Index Per Article: 40.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Obesity and its cardiovascular complications are extremely common medical problems, but evidence on how to accomplish weight loss in clinical practice is sparse. METHODS We conducted a randomized, controlled trial to examine the effects of two behavioral weight-loss interventions in 415 obese patients with at least one cardiovascular risk factor. Participants were recruited from six primary care practices; 63.6% were women, 41.0% were black, and the mean age was 54.0 years. One intervention provided patients with weight-loss support remotely--through the telephone, a study-specific Web site, and e-mail. The other intervention provided in-person support during group and individual sessions, along with the three remote means of support. There was also a control group in which weight loss was self-directed. Outcomes were compared between each intervention group and the control group and between the two intervention groups. For both interventions, primary care providers reinforced participation at routinely scheduled visits. The trial duration was 24 months. RESULTS At baseline, the mean body-mass index (the weight in kilograms divided by the square of the height in meters) for all participants was 36.6, and the mean weight was 103.8 kg. At 24 months, the mean change in weight from baseline was -0.8 kg in the control group, -4.6 kg in the group receiving remote support only (P<0.001 for the comparison with the control group), and -5.1 kg in the group receiving in-person support (P<0.001 for the comparison with the control group). The percentage of participants who lost 5% or more of their initial weight was 18.8% in the control group, 38.2% in the group receiving remote support only, and 41.4% in the group receiving in-person support. The change in weight from baseline did not differ significantly between the two intervention groups. CONCLUSIONS In two behavioral interventions, one delivered with in-person support and the other delivered remotely, without face-to-face contact between participants and weight-loss coaches, obese patients achieved and sustained clinically significant weight loss over a period of 24 months. (Funded by the National Heart, Lung, and Blood Institute and others; ClinicalTrials.gov number, NCT00783315.).
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Affiliation(s)
- Lawrence J Appel
- Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, Baltimore, Maryland, USA.
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Tuah NA, Amiel C, Qureshi S, Car J, Kaur B, Majeed A. Transtheoretical model for dietary and physical exercise modification in weight loss management for overweight and obese adults. Cochrane Database Syst Rev 2011:CD008066. [PMID: 21975777 DOI: 10.1002/14651858.cd008066.pub2] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Obesity is a global public health threat. The transtheoretical model stages of change (TTM SOC) model has long been considered a useful interventional approach in lifestyle modification programmes, but its effectiveness in producing sustainable weight loss in overweight and obese individuals has been found to vary considerably. OBJECTIVES To assess the effectiveness of dietary and physical activity interventions based on the transtheoretical model, to produce sustainable weight loss in overweight and obese adults. SEARCH STRATEGY Studies were obtained from searches of multiple electronic bibliographic databases. Date of last search for The Cochrane Library was issue 10, 2010, for MEDLINE Dezember 2010, for EMBASE January 2011 and for PSYCHINFO Januar 2011. SELECTION CRITERIA Trials were included if they fulfilled the following criteria: randomised controlled clinical trials using TTM SOC as a model, theoretical framework or guideline in designing lifestyle modification strategies, mainly dietary and physical exercise versus a comparison intervention of usual care; one of the outcome measures of the study was weight loss; and participants were overweight or obese adults. DATA COLLECTION AND ANALYSIS Two researchers independently applied the inclusion criteria to the identified studies and assessed risk of bias. Disagreement was resolved by discussion or by intervention of a third party. Descriptive analysis was conducted for the review. MAIN RESULTS A total of five studies met the inclusion criteria and a total of 3910 participants were evaluated. The total number of participants randomised to intervention groups was 1834 and 2076 were randomised to control groups. Overall risk of bias was high. The trials varied in length of intervention from six weeks to 24 months, with a median length of nine months. The intervention was found to have limited impact on weight loss (about 2 kg or less) and other outcome measures. There was no conclusive evidence for sustainable weight loss. However, TTM SOC and a combination of physical activity, diet and other interventions tended to produce significant outcomes (particularly change in physical activity and dietary intake). TTM SOC was used inconsistently as a theoretical framework for intervention in the trials. Death and weight gain are the two adverse events reported by the included trials. None of the trials reported health-related quality of life, morbidity, and costs as outcomes. AUTHORS' CONCLUSIONS TTM SOC and a combination of physical activity, diet and other interventions resulted in minimal weight loss, and there was no conclusive evidence for sustainable weight loss. The impact of TTM SOC as theoretical framework in weight loss management may depend on how it is used as a framework for intervention and in combination with other strategies like diet and physical activities.
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Affiliation(s)
- Nik Aa Tuah
- Department of Primary Care and Public Health, Faculty of Medicine, Imperial College London, The Reynolds Building, Charing Cross Campus, St. Dunstan's Road, London, UK, W6 8RP
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Rao G, Burke LE, Spring BJ, Ewing LJ, Turk M, Lichtenstein AH, Cornier MA, Spence JD, Coons M. New and emerging weight management strategies for busy ambulatory settings: a scientific statement from the American Heart Association endorsed by the Society of Behavioral Medicine. Circulation 2011; 124:1182-203. [PMID: 21824925 DOI: 10.1161/cir.0b013e31822b9543] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Gourlan MJ, Trouilloud DO, Sarrazin PG. Interventions promoting physical activity among obese populations: a meta-analysis considering global effect, long-term maintenance, physical activity indicators and dose characteristics. Obes Rev 2011; 12:e633-45. [PMID: 21457183 DOI: 10.1111/j.1467-789x.2011.00874.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
As the benefits that regular physical activity (PA) have on obesity are well known, many interventions promote active lifestyle adoption among obese populations. This meta-analysis aims to determine (i) the global effect that interventions promoting PA among obese populations have on their PA behaviour; (ii) variations in the effect of interventions depending on the PA indicator used; (iii) the programme's dose characteristics and (iv) maintenance of the intervention effects after the intervention has ended. A comprehensive search through databases and review articles was completed. Forty-six studies met the inclusion criteria. Calculations of effect size (Cohen's d) and a moderator analysis were conducted. The meta-analysis showed that interventions globally have an impact on the PA behaviour of obese populations (d = 0.44; 95% CI = 0.31, 0.57). The moderator analysis revealed that interventions of less than 6 months reported significantly larger effects than longer interventions. Moreover, the interventions had a stronger impact on the number of steps and the PA indexes (i.e. composite scores reflecting PA practice) than on other PA indicators. Finally, the analysis revealed that interventions succeed in maintaining PA behaviour after the intervention is over. However, relatively few studies addressed this issue (n = 9). Despite global positive effects, further research is needed to determine the optimal dose for interventions and to evaluate the maintenance of intervention effects.
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Affiliation(s)
- M J Gourlan
- Laboratoire Sport et Environnement Social, Joseph Fourier University, Grenoble, France
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Capers CF, Baughman K, Logue E. Behaviors and Characteristics of African American and European American Females That Impact Weight Management. J Nurs Scholarsh 2011; 43:133-44. [DOI: 10.1111/j.1547-5069.2011.01393.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Stuckey HL, Boan J, Kraschnewski JL, Miller-Day M, Lehman EB, Sciamanna CN. Using positive deviance for determining successful weight-control practices. QUALITATIVE HEALTH RESEARCH 2011; 21:563-79. [PMID: 20956609 PMCID: PMC3612888 DOI: 10.1177/1049732310386623] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Based on positive deviance (examining the practices of successful individuals), we identified five primary themes from 36 strategies that help to maintain long-term weight loss (weight control) in 61 people. We conducted in-depth interviews to determine what successful individuals did and/or thought about regularly to control their weight. The themes included weight-control practices related to (a) nutrition: increase water, fruit, and vegetable intake, and consistent meal timing and content; (b) physical activity: follow and track an exercise routine at least 3x/week; (c) restraint: practice restraint by limiting and/or avoiding unhealthy foods; (d) self-monitor: plan meals, and track calories/weight progress; and (e) motivation: participate in motivational programs and cognitive processes that affect weight-control behavior. Using the extensive data involving both the practices and practice implementation, we used positive deviance to create a comprehensive list of practices to develop interventions for individuals to control their weight.
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Affiliation(s)
- Heather L Stuckey
- Department of Medicine, Penn State Hershey College of Medicine, Hershey, Pennsylvania 17033, USA.
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Smith DW, Griffin Q, Fitzpatrick J. Exercise and exercise intentions among obese and overweight individuals. ACTA ACUST UNITED AC 2011; 23:92-100. [PMID: 21281375 DOI: 10.1111/j.1745-7599.2010.00582.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
PURPOSE To determine the relationship between exercise stage and decisional balance in overweight and obese individuals seeking advanced practice nurse (APN) care. DATA SOURCES A convenience sample of 175 persons aged 40 or above with the values of body mass index (BMI) exceeding 25. CONCLUSIONS One fourth of the respondents were considering beginning exercise within the next month; 23% had exercised regularly for more than 6 months and 39% indicated that they exercised regularly. Most respondents believed the pros of exercise outweighed the cons, and as the pros increased, so did the likelihood of exercising. IMPLICATIONS FOR PRACTICE In approaching the subject of exercise among obese and overweight individuals it is important for the APN to understand behavioral change. Thus, it would be more fruitful to ask, "What would it take to move those who intend to begin exercising to the next stage?" For health behavior change to occur, the pros must be twice as numerous as the cons. In clinical practice, reviewing and adding to the pros of exercise as outlined by the patient might tip the decisional balance in favor of exercise.
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Dombrowski SU, Avenell A, Sniehott FF. Behavioural interventions for obese adults with additional risk factors for morbidity: systematic review of effects on behaviour, weight and disease risk factors. Obes Facts 2010; 3:377-96. [PMID: 21196792 PMCID: PMC6515855 DOI: 10.1159/000323076] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Reducing obesity through effective behaviour change interventions is of key importance to prevent disabling and life-threatening conditions, particularly in individuals already at risk for morbidity. PURPOSE To assess the effects of behavioural interventions for obese adults with additional risk factors for morbidity on behaviour, weight and disease risk factors. METHODS Systematic review of randomised controlled trials (RCTs). Three electronic databases and three journals were searched for behavioural interventions (aimed at changing dietary intake and/or physical activity (PA)) for adults (mean BMI ≥30 kg/m(2); mean age ≥40 years) with risk factors for morbidity, reporting follow-up data ≥12 weeks. RESULTS 44 RCTs met the inclusion criteria. Behavioural outcomes, weight loss, and cardiovascular disease risk factors showed consistent modest improvements over time, especially for interventions targeting both diet and PA. CONCLUSION Behavioural interventions in at-risk populations showed positive effect tendencies on behaviour, weight, and disease risk factors. However, there is still ample room for improvement, and future research should focus on identifying the most effective means of inducing dietary and PA behaviour change in this vulnerable population.
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Spahn JM, Reeves RS, Keim KS, Laquatra I, Kellogg M, Jortberg B, Clark NA. State of the evidence regarding behavior change theories and strategies in nutrition counseling to facilitate health and food behavior change. ACTA ACUST UNITED AC 2010; 110:879-91. [PMID: 20497777 DOI: 10.1016/j.jada.2010.03.021] [Citation(s) in RCA: 216] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Accepted: 11/24/2009] [Indexed: 12/13/2022]
Abstract
Behavior change theories and models, validated within the field of dietetics, offer systematic explanations for nutrition-related behavior change. They are integral to the nutrition care process, guiding nutrition assessment, intervention, and outcome evaluation. The American Dietetic Association Evidence Analysis Library Nutrition Counseling Workgroup conducted a systematic review of peer-reviewed literature related to behavior change theories and strategies used in nutrition counseling. Two hundred fourteen articles were reviewed between July 2007 and March 2008, and 87 studies met the inclusion criteria. The workgroup systematically evaluated these articles and formulated conclusion statements and grades based upon the available evidence. Strong evidence exists to support the use of a combination of behavioral theory and cognitive behavioral theory, the foundation for cognitive behavioral therapy (CBT), in facilitating modification of targeted dietary habits, weight, and cardiovascular and diabetes risk factors. Evidence is particularly strong in patients with type 2 diabetes receiving intensive, intermediate-duration (6 to 12 months) CBT, and long-term (>12 months duration) CBT targeting prevention or delay in onset of type 2 diabetes and hypertension. Few studies have assessed the application of the transtheoretical model on nutrition-related behavior change. Little research was available documenting the effectiveness of nutrition counseling utilizing social cognitive theory. Motivational interviewing was shown to be a highly effective counseling strategy, particularly when combined with CBT. Strong evidence substantiates the effectiveness of self-monitoring and meal replacements and/or structured meal plans. Compelling evidence exists to demonstrate that financial reward strategies are not effective. Goal setting, problem solving, and social support are effective strategies, but additional research is needed in more diverse populations. Routine documentation and evaluation of the effectiveness of behavior change theories and models applied to nutrition care interventions are recommended.
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Affiliation(s)
- Joanne M Spahn
- Nutrition Evidence Library, Center for Nutrition Policy and Promotion, 3101 Park Center Dr, Alexandria, VA 22302, USA.
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