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Carter N, Nalbant G, Chahal P, Chattopadhyay K. Effectiveness and safety of self-management interventions for improving glycemic control and health-related quality of life among adults with type 2 diabetes mellitus in sub-Saharan Africa: a systematic review and meta-analysis. JBI Evid Synth 2024; 22:1715-1788. [PMID: 38910533 PMCID: PMC11382828 DOI: 10.11124/jbies-23-00273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
OBJECTIVE The objective of this review was to assess and synthesize evidence on the effectiveness and safety of self-management interventions for improving glycemic control and health-related quality of life among adults with type 2 diabetes mellitus (T2DM) in sub-Saharan Africa. INTRODUCTION There has been a rapid increase in the prevalence of T2DM in sub-Saharan Africa. Lifestyle-related risk factors require self-management strategies, and these must be tailored to the context. Several randomized controlled trials (RCTs) evaluating T2DM self-management interventions in sub-Saharan Africa have been conducted. INCLUSION CRITERIA This systematic review included RCTs assessing the effectiveness and safety of self-management interventions among adults with T2DM in sub-Saharan Africa, where the self-management intervention matched at least 1 category of the Practical Reviews in Self-Management Support (PRISMS) for long-term conditions taxonomy. METHODS The following databases were searched from inception until January 14, 2023: MEDLINE (Ovid), PubMed, Embase (Ovid), CINAHL (EBSCOhost), PsycINFO (Ovid), Scopus, Cochrane Central Register of Controlled Trials (CENTRAL), Directory of Open Access Journals, EThOS, and ProQuest Dissertations and Theses (ProQuest). Global Health (EBSCOhost) was searched from inception until June 8, 2021. OpenGrey was searched from inception until its archive date of December 1, 2020. Two independent reviewers conducted title and abstract screening, full-text screening, data extraction, and critical appraisal. Disagreements were resolved through discussion or with a third reviewer. Data synthesis was conducted narratively, followed by meta-analysis where feasible. The Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach for assessing the certainty of evidence was applied. RESULTS From 2699 records identified, 18 RCTs were included in the systematic review and 14 in the meta-analysis. Interventions included broad self-management education programs, peer support, exercise interventions with education, nutrition education, educational text messaging, and blood glucose self-monitoring support. Only 4 studies received a "yes" response for more than half of the criteria in the standardized JBI critical appraisal tool for RCTs. Compared to the control, self-management interventions did not significantly reduce glycated hemoglobin (HbA1c) levels at 3 months (302 participants, mean difference [MD] -6.0 mmol/mol, 95% CI -17.5, 5.4; very low certainty on GRADE assessment) or 12 months (1504 participants, MD -3.7 mmol/mol, 95% CI -8.2, 0.7; moderate certainty on GRADE assessment). HbA1c was significantly reduced at 6 months (671 participants, MD -8.1 mmol/mol, 95% CI -10.7, -5.4; low certainty on GRADE assessment). Four studies assessed health-related quality of life, but only 1 demonstrated an improvement (2205 participants). Three studies reported no adverse events in relation to the trial interventions (1217 participants), and adverse events were not reported in the remainder of studies. There did not appear to be clinically significant effects on body mass index, lipid profile, or systolic or diastolic blood pressure. The evidence was mixed for weight and waist circumference. CONCLUSIONS Self-management interventions for adults living with T2DM in sub-Saharan Africa may produce a clinically significant improvement in glycemic control at 6 months, but this may wane in the long term. There was not convincing evidence to indicate a benefit of these interventions on health-related quality of life, but reporting on this outcome measure was limited. There were insufficient data on adverse events to be able to draw conclusions. REVIEW REGISTRATION PROSPERO CRD42021237506.
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Affiliation(s)
- Naomi Carter
- Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Gamze Nalbant
- Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Prit Chahal
- Health Education England, East Midlands, Leicester, United Kingdom
| | - Kaushik Chattopadhyay
- Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- The Nottingham Centre for Evidence-Based Healthcare: A JBI Centre of Excellence, The University of Nottingham, Nottingham, United Kingdom
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Hinneh T, Boakye H, Metlock F, Ogungbe O, Kruahong S, Byiringiro S, Dennison Himmelfarb C, Commodore-Mensah Y. Effectiveness of team-based care interventions in improving blood pressure outcomes among adults with hypertension in Africa: a systematic review and meta-analysis. BMJ Open 2024; 14:e080987. [PMID: 39019631 DOI: 10.1136/bmjopen-2023-080987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/19/2024] Open
Abstract
OBJECTIVE We evaluated the effectiveness of team-based care interventions in improving blood pressure (BP) outcomes among adults with hypertension in Africa. DESIGN Systematic review and meta-analysis. DATA SOURCE PubMed, CINAHL, EMBASE, Cochrane Library, HINARI and African Index Medicus databases were searched from inception to March 2023. ELIGIBILITY CRITERIA FOR SELECTING STUDIES We included randomised controlled trials (RCTs) and pre-post study designs published in English language focusing on (1) Adults diagnosed with hypertension, (2) Team-based care hypertension interventions led by non-physician healthcare providers (HCPs) and (3) Studies conducted in Africa. DATA EXTRACTION AND SYNTHESIS We extracted study characteristics, the nature of team-based care interventions, team members involved and other reported secondary outcomes. Risk of bias was assessed using the Cochrane Risk of Bias tool for RCTs and the National Heart, Lung, and Blood Institute assessment tool for pre-post studies. Findings were summarised and presented narratively including data from pre-post studies. Meta-analysis was conducted using a random effects model for only RCT studies. Overall certainty of evidence was determined using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) tool for only the primary outcome (systolic BP). RESULTS Of the 3375 records screened, 33 studies (16 RCTs and 17 pre-post studies) were included and 11 RCTs were in the meta-analysis. The overall mean effect of team-based care interventions on systolic BP reduction was -3.91 mm Hg (95% CI -5.68 to -2.15, I² = 0.0%). Systolic BP reduction in team-based care interventions involving community health workers was -4.43 mm Hg (95% CI -5.69 to -3.17, I² = 0.00%) and nurses -3.75 mm Hg (95% CI -10.62 to 3.12, I² = 42.0%). Based on the GRADE assessment, we judged the overall certainty of evidence low for systolic BP reduction suggesting that team-based care intervention may result in a small reduction in systolic BP. CONCLUSION Evidence from this review supports the implementation of team-based care interventions across the continuum of care to improve awareness, prevention, diagnosis, treatment and control of hypertension in Africa. PROSPERO registration number CRD42023398900.
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Affiliation(s)
- Thomas Hinneh
- School of Nursing, Johns Hopkins University, Baltimore, Maryland, USA
| | - Hosea Boakye
- Sargent College of Health and Rehabilitation Sciences, Boston University, Boston, Massachusetts, USA
| | - Faith Metlock
- School of Nursing, Johns Hopkins University, Baltimore, Maryland, USA
| | | | - Suratsawadee Kruahong
- Faculty of Nursing, Department of Nursing, Department of Surgical Nursing, Mahidol University, Bangkok, Thailand
| | - Samuel Byiringiro
- School of Nursing, Johns Hopkins University, Baltimore, Maryland, USA
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Iwelomen O, Toniolo J, Preux PM, Beloni P. Therapeutic patient education programs on diabetes in sub-Saharan Africa: A systematic review. PLoS One 2024; 19:e0299526. [PMID: 38935594 PMCID: PMC11210798 DOI: 10.1371/journal.pone.0299526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 02/13/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND Diabetes is a chronic disease associated with the potential for blindness, kidney failure, heart attacks, strokes, and lower limb amputations. The global prevalence of diabetes is rising, particularly in the sub-Saharan African (SSA) region, where accessing treatment and antidiabetic drugs is complex, leading to challenges in managing the condition. Intentional and structured therapeutic education has demonstrated its ability to enhance health outcomes in diabetes patients. Given the numerous healthcare deficiencies in sub-Saharan Africa, the authors have reevaluated the role of therapeutic patient education (TPE) in this context. METHODS This systematic review adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. We queried four databases between March 14 and June 30, 2023 and conducted Cochrane's Risk of Bias analysis on the included studies. Subsequently, a qualitative synthesis of the results was performed. RESULTS The final analysis included thirteen studies. Seven of these, which assessed glycemic control, reported statistically significant results. Additionally, other clinical parameters such as body mass index (BMI), blood pressure, and lipid levels also exhibited some significant improvements. Knowledge substantially increased following the intervention, while attitude, self-care practices, and medication adherence showed no significant improvements. Nurse-led and peer-led intervention programs produced positive outcomes, whereas technology-based intervention methods did not yield favorable results. CONCLUSION TPE programs in sub-Saharan Africa have a significant impact on both clinical and non-clinical outcomes in diabetes patients. However, the sustainability of these outcomes remains uncertain. Further research is needed to assess the long-term effects of TPE on diabetes patients.
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Affiliation(s)
- Omomene Iwelomen
- Institute of Epidemiology and Tropical Neurology, Inserm U1094, IRD UMR270, University Limoges, CHU Limoges, EpiMaCT - Epidemiology of Chronic Diseases in Tropical Zone, OmegaHealth, Limoges, France
| | - Jean Toniolo
- Institute of Epidemiology and Tropical Neurology, Inserm U1094, IRD UMR270, University Limoges, CHU Limoges, EpiMaCT - Epidemiology of Chronic Diseases in Tropical Zone, OmegaHealth, Limoges, France
- Faculté de Médecine et Pharmacie, Département Universitaire de Sciences Infirmières, Université de Limoges, Limoges, France
| | - Pierre-Marie Preux
- Institute of Epidemiology and Tropical Neurology, Inserm U1094, IRD UMR270, University Limoges, CHU Limoges, EpiMaCT - Epidemiology of Chronic Diseases in Tropical Zone, OmegaHealth, Limoges, France
| | - Pascale Beloni
- Institute of Epidemiology and Tropical Neurology, Inserm U1094, IRD UMR270, University Limoges, CHU Limoges, EpiMaCT - Epidemiology of Chronic Diseases in Tropical Zone, OmegaHealth, Limoges, France
- Faculté de Médecine et Pharmacie, Département Universitaire de Sciences Infirmières, Université de Limoges, Limoges, France
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Gumede SB, de Wit JBF, Venter WDF, Wensing AMJ, Lalla‐Edward ST. Intervention strategies to improve adherence to treatment for selected chronic conditions in sub-Saharan Africa: a systematic review. J Int AIDS Soc 2024; 27:e26266. [PMID: 38924296 PMCID: PMC11197966 DOI: 10.1002/jia2.26266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 04/23/2024] [Indexed: 06/28/2024] Open
Abstract
INTRODUCTION Evidence-based intervention strategies to improve adherence among individuals living with chronic conditions are critical in ensuring better outcomes. In this systematic review, we assessed the impact of interventions that aimed to promote adherence to treatment for chronic conditions. METHODS We systematically searched PubMed, Web of Science, Scopus, Google Scholar and CINAHL databases to identify relevant studies published between the years 2000 and 2023 and used the QUIPS assessment tool to assess the quality and risk of bias of each study. We extracted data from eligible studies for study characteristics and description of interventions for the study populations of interest. RESULTS Of the 32,698 total studies/records screened, 2814 were eligible for abstract screening and of those, 497 were eligible for full-text screening. A total of 82 studies were subsequently included, describing a total of 58,043 patients. Of the total included studies, 58 (70.7%) were related to antiretroviral therapy for HIV, 6 (7.3%) were anti-hypertensive medication-related, 12 (14.6%) were anti-diabetic medication-related and 6 (7.3%) focused on medication for more than one condition. A total of 54/82 (65.9%) reported improved adherence based on the described study outcomes, 13/82 (15.9%) did not have clear results or defined outcomes, while 15/82 (18.3%) reported no significant difference between studied groups. The 82 publications described 98 unique interventions (some studies described more than one intervention). Among these intervention strategies, 13 (13.3%) were multifaceted (4/13 [30.8%] multi-component health services- and community-based programmes, 6/13 [46.2%] included individual plus group counselling and 3/13 [23.1%] included SMS or alarm reminders plus individual counselling). DISCUSSION The interventions described in this review ranged from adherence counselling to more complex interventions such as mobile health (mhealth) interventions. Combined interventions comprised of different components may be more effective than using a single component in isolation. However, the complexity involved in designing and implementing combined interventions often complicates the practicalities of such interventions. CONCLUSIONS There is substantial evidence that community- and home-based interventions, digital health interventions and adherence counselling interventions can improve adherence to medication for chronic conditions. Future research should answer if existing interventions can be used to develop less complicated multifaceted adherence intervention strategies.
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Affiliation(s)
- Siphamandla Bonga Gumede
- Ezintsha, Faculty of Health SciencesUniversity of the WitwatersrandJohannesburgSouth Africa
- Department of Interdisciplinary Social ScienceUtrecht UniversityUtrechtthe Netherlands
| | - John B. F. de Wit
- Department of Interdisciplinary Social ScienceUtrecht UniversityUtrechtthe Netherlands
- Centre for Social Research in HealthUNSWSydneyNew South WalesAustralia
| | - Willem D. F. Venter
- Ezintsha, Faculty of Health SciencesUniversity of the WitwatersrandJohannesburgSouth Africa
| | - Annemarie M. J. Wensing
- Department of Medical MicrobiologyUniversity Medical Center UtrechtUtrechtthe Netherlands
- Ndlovu Research ConsortiumElandsdoornSouth Africa
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Gebreyesus HA, Abreha GF, Beshirie SD, Abera MA, Weldegerima AH, Bezabih AM, Lemma TB, Nigatu TG. Patient-centered nutrition education improved the eating behavior of persons with uncontrolled type 2 diabetes mellitus in North Ethiopia: a quasi-experimental study. Front Nutr 2024; 11:1352963. [PMID: 38660065 PMCID: PMC11040084 DOI: 10.3389/fnut.2024.1352963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 03/18/2024] [Indexed: 04/26/2024] Open
Abstract
Background Improving the clinical outcome of people with type 2 diabetes mellitus by modifying their eating behavior through nutrition education is an important element of diabetes self-management. Significant data from the literature supports this idea, however in the Ethiopian setting, there is a practice gap. Therefore, the purpose of this study was to assess how patient-centered nutrition education affected the eating behavior and clinical outcomes of people with uncontrolled type 2 diabetes mellitus. Method In this quasi-experimental trial, 178 people with uncontrolled type 2 diabetes were purposely assigned to the intervention (n = 89) or control (n = 89) arm. The intervention arm was given patient-centered nutrition education, whereas the control arm received the routine care. Eating behavior and clinical outcome indicators such as HbAc, lipid profile, anthropometric indices, and blood pressure were assessed in both groups at the start and completion of the intervention. All scale variables were tested for normality and log transformed when appropriate. The baseline characteristics of the intervention and control groups were compared using the t-test for continuous variables and the chi-square test for categorical variables. The effect of nutrition education was determined using a difference in differences (DID) approach. P < 0.05 was established as the criterion of significance. Result Food selection (DID = 15.84, P < 0.001), meal planning (DID = 31.11, P < 0.001), and calorie needs (DID = 37.65, P < 0.001) scores were statistically higher in the nutrition education arm. Furthermore, their overall eating behavior score (DID = 27.06, P < 0.001) was statistically greater than the controls. In terms of clinical outcomes, the overall picture reveals that the intervention did not outperform over the routine care. However, in comparison to the controls, the intervention arm showed clinically significant improvement in HbA1c (DID = -0.258, P = 0.485). Conclusion Patient-centered nutrition education has resulted in positive adjustments in the eating behavior of people with uncontrolled type 2 diabetes mellitus. Furthermore, it has shown a great potential for improving their glycemic control.
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Affiliation(s)
- Hagos Amare Gebreyesus
- Department of Nutrition and Dietetics, Jimma University, Jimma, Ethiopia
- College of Health Sciences, Mekelle University, Mekelle, Ethiopia
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Chowdhury HA, Harrison CL, Siddiquea BN, Tissera S, Afroz A, Ali L, Joham AE, Billah B. The effectiveness of diabetes self-management education intervention on glycaemic control and cardiometabolic risk in adults with type 2 diabetes in low- and middle-income countries: A systematic review and meta-analysis. PLoS One 2024; 19:e0297328. [PMID: 38306363 PMCID: PMC10836683 DOI: 10.1371/journal.pone.0297328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 01/01/2024] [Indexed: 02/04/2024] Open
Abstract
Diabetes mellitus (DM) poses a significant challenge to public health. Effective diabetes self-management education (DSME) interventions may play a pivotal role in the care of people with type 2 diabetes mellitus (T2DM) in low- and middle-income countries (LMICs). A specific up-to-date systematic review is needed to assess the effect of DSME interventions on glycaemic control, cardiometabolic risk, self-management behaviours, and psychosocial well-being among T2DM across LMICs. The MEDLINE, Embase, CINAHL, Global Health, and Cochrane databases were searched on 02 August 2022 and then updated on 10 November 2023 for published randomised controlled trials (RCTs) and quasi-experimental studies. The quality of the studies was assessed, and a random-effect model was used to estimate the pooled effect of diabetes DSME intervention. Heterogeneity (I2) was tested, and subgroup analyses were performed. Egger's regression test and funnel plots were used to examine publication bias. The risk of bias of the included studies was assessed using the Cochrane risk-of-bias tool for randomized trial (RoB 2). The overall assessment of the evidence was evaluated using the Grading of Recommendations Assessment, Development, and Evaluation approach. A total of 5893 articles were retrieved, and 44 studies (n = 11838) from 21 LMICs met the inclusion criteria. Compared with standard care, pooled analysis showed that DSME effectively reduced the HbA1c level by 0.64% (95% CI: 0.45% to 0.83%) and 1.27% (95% CI: -0.63% to 3.17%) for RCTs and quasi-experimental design studies, respectively. Further, the findings showed an improvement in cardiometabolic risk reduction, diabetes self-management behaviours, and psychosocial well-being. This review suggests that ongoing support alongside individualised face-to-face intervention delivery is favourable for improving overall T2DM management in LMICs, with a special emphasis on countries in the lowest income group.
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Affiliation(s)
- Hasina Akhter Chowdhury
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
- Centre for Injury Prevention and Research, Bangladesh (CIPRB), Dhaka, Bangladesh
| | - Cheryce L. Harrison
- Monash Centre for Health Research and Implementation–MCHRI, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Bodrun Naher Siddiquea
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Sanuki Tissera
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Afsana Afroz
- Department of Biochemistry and Pharmacology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Australia
| | - Liaquat Ali
- Pothikrit Institute of Health Studies (PIHS), Dhaka, Bangladesh
| | - Anju E. Joham
- Monash Centre for Health Research and Implementation–MCHRI, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
- Departments of Endocrinology and Diabetes, Monash Health, Melbourne, Australia
| | - Baki Billah
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
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Madela SLM, Harriman NW, Sewpaul R, Mbewu AD, Williams DR, Sifunda S, Manyaapelo T, Nyembezi A, Reddy SP. Area-level deprivation and individual-level socioeconomic correlates of the diabetes care cascade among black south africans in uMgungundlovu, KwaZulu-Natal, South Africa. PLoS One 2023; 18:e0293250. [PMID: 38079422 PMCID: PMC10712896 DOI: 10.1371/journal.pone.0293250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 10/09/2023] [Indexed: 12/18/2023] Open
Abstract
South Africa is experiencing a rapidly growing diabetes epidemic that threatens its healthcare system. Research on the determinants of diabetes in South Africa receives considerable attention due to the lifestyle changes accompanying South Africa's rapid urbanization since the fall of Apartheid. However, few studies have investigated how segments of the Black South African population, who continue to endure Apartheid's institutional discriminatory legacy, experience this transition. This paper explores the association between individual and area-level socioeconomic status and diabetes prevalence, awareness, treatment, and control within a sample of Black South Africans aged 45 years or older in three municipalities in KwaZulu-Natal. Cross-sectional data were collected on 3,685 participants from February 2017 to February 2018. Individual-level socioeconomic status was assessed with employment status and educational attainment. Area-level deprivation was measured using the most recent South African Multidimensional Poverty Index scores. Covariates included age, sex, BMI, and hypertension diagnosis. The prevalence of diabetes was 23% (n = 830). Of those, 769 were aware of their diagnosis, 629 were receiving treatment, and 404 had their diabetes controlled. Compared to those with no formal education, Black South Africans with some high school education had increased diabetes prevalence, and those who had completed high school had lower prevalence of treatment receipt. Employment status was negatively associated with diabetes prevalence. Black South Africans living in more deprived wards had lower diabetes prevalence, and those residing in wards that became more deprived from 2001 to 2011 had a higher prevalence diabetes, as well as diabetic control. Results from this study can assist policymakers and practitioners in identifying modifiable risk factors for diabetes among Black South Africans to intervene on. Potential community-based interventions include those focused on patient empowerment and linkages to care. Such interventions should act in concert with policy changes, such as expanding the existing sugar-sweetened beverage tax.
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Affiliation(s)
| | - Nigel Walsh Harriman
- Social and Behavioral Sciences Department, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Ronel Sewpaul
- Human and Social Capabilities Division, Human Sciences Research Council, Cape Town, South Africa
| | - Anthony David Mbewu
- Department of Internal Medicine, Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
| | - David R Williams
- Social and Behavioral Sciences Department, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Department of African and American Studies, Harvard University, Cambridge, Massachusetts, United States of America
| | - Sibusiso Sifunda
- Human and Social Capabilities Division, Human Sciences Research Council, Cape Town, South Africa
| | | | - Anam Nyembezi
- School of Public Health, University of the Western Cape, Cape Town, South Africa
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Sunuwar DR, Nayaju S, Dhungana RR, Karki K, Singh Pradhan PM, Poudel P, Nepal C, Thapa M, Shakya NS, Sayami M, Shrestha PK, Yadav R, Singh DR. Effectiveness of a dietician-led intervention in reducing glycated haemoglobin among people with type 2 diabetes in Nepal: a single centre, open-label, randomised controlled trial. THE LANCET REGIONAL HEALTH. SOUTHEAST ASIA 2023; 18:100285. [PMID: 38028163 PMCID: PMC10667281 DOI: 10.1016/j.lansea.2023.100285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/01/2023] [Accepted: 09/13/2023] [Indexed: 12/01/2023]
Abstract
Background Nutrition education and counselling are considered a cornerstone for the management of type 2 diabetes (T2D). However, there is limited research related to the management of T2D through dietary approach, particularly in low-income and middle-income countries (LMICs) like Nepal. This study assessed the effectiveness of a dietician-led dietary intervention in reducing glycated haemoglobin (HbA1c) levels among people with T2D. Methods An open-label, two-armed, hospital-based, randomised controlled trial was conducted at Tribhuvan University Teaching Hospital, Kathmandu, Nepal. Participants were randomly assigned to either dietician-led dietary intervention group (n = 78) or usual care control group (n = 78). People with type 2 diabetes with HbA1c >6.5% and aged 24-64 years were included in the study. The primary outcome was a change in HbA1c level over six months, and secondary outcomes included changes in biochemical and clinical parameters, Problem Areas in Diabetes (PAID) score, diabetic knowledge, dietary adherence, and macronutrient intake level. Data were analysed using an intention-to-treat approach. This trial is registered with ClinicalTrials.gov, NCT04267367. Findings Between August 15, 2021 and February 25, 2022, 156 people with type 2 diabetes were recruited for the study, of which 136 participants completed the trial. At six months of follow-up, compared to baseline values, the mean HbA1c (%) level decreased in the intervention group by 0.48 (95% CI: -0.80 to -0.16), while it increased in the control group by 0.22 (95% CI: -0.21 to 0.66). In an adjusted model, the reduction in HbA1c (%) levels for the intervention was 0.61 (95% CI: -1.04 to -0.17; p = 0.006). In addition, fasting blood glucose was decreased by 18.96 mg/dL (95% CI: -36.12 to -1.81; p = 0.031) after the intervention. The intervention resulted in the reduction of BMI, waist and hip circumference, PAID score, dietary adherence, and macronutrient intake in the intervention group compared to the control group. Interpretation The dietician-led intervention improved glycaemic control, improved macronutrient intake, and clinical outcomes among people with type 2 diabetes. The dietician-led intervention may be considered for diabetes management in LMICs. Funding The research was funded by the University Grants Commission (UGC), Nepal.
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Affiliation(s)
- Dev Ram Sunuwar
- Department of Public Health, Asian College for Advance Studies, Purbanchal University, Nepal
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, USA
| | - Suvash Nayaju
- Department of Public Health, Asian College for Advance Studies, Purbanchal University, Nepal
| | - Raja Ram Dhungana
- Faculty of Medicine Nursing and Health Sciences, Monash University, Australia
| | - Kshitij Karki
- Department of Public Health, Asian College for Advance Studies, Purbanchal University, Nepal
- Department of Food, Agriculture, and Bioresources, School of Environment Resources and Development, Asian Institute of Technology, Thailand
| | - Pranil Man Singh Pradhan
- Department of Community Medicine, Maharajgunj Medical Campus, Institute of Medicine, Tribhuvan University, Kathmandu, Nepal
- Department of Global Health and Population, Harvard T H Chan School of Public Health, Boston, MA 02115, USA
| | - Pramod Poudel
- Central Department of Biotechnology, Tribhuvan University, Kathmandu, Nepal
| | - Chitrakala Nepal
- Department of Nutrition and Dietetics, College of Applied Food and Dairy Technology, Lalitpur, Nepal
| | - Madhu Thapa
- Department of Nutrition and Dietetics, College of Applied Food and Dairy Technology, Lalitpur, Nepal
| | - Nani Shobha Shakya
- Department of Nutrition and Dietetics, College of Applied Food and Dairy Technology, Lalitpur, Nepal
| | - Matina Sayami
- Department of Internal Medicine, Maharajgunj Medical Campus, Institute of Medicine, Tribhuvan University, Kathmandu, Nepal
| | | | - Renu Yadav
- Department of Nutrition and Dietetics, Tribhuvan University Teaching Hospital, Kathmandu, Nepal
| | - Devendra Raj Singh
- Department of Public Health, Asian College for Advance Studies, Purbanchal University, Nepal
- Department of Public Health, Central Institute of Science and Technology (CIST) College, Pokhara University, Kathmandu, Nepal
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, United Kingdom
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Eshete A, Lambebo A, Mohammed S, Shewasinad S, Assefa Y. Effect of nutritional promotion intervention on dietary adherence among type II diabetes patients in North Shoa Zone Amhara Region: quasi-experimental study. JOURNAL OF HEALTH, POPULATION, AND NUTRITION 2023; 42:49. [PMID: 37254151 DOI: 10.1186/s41043-023-00393-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/26/2023] [Indexed: 06/01/2023]
Abstract
BACKGROUND Diabetes is a major global public health problem that requires self-management behavior. However, this is difficult to implement in practice and requires new approaches. The purpose of this study was to evaluate nutritional promotion interventions for dietary adherence and lessons learned to improve self-management. METHODS A quasi-experimental study was conducted from January 2020 to February 2021 in North Shoa Zone public hospital. The study enrolled 216 type II diabetic patients from four public hospitals. Study participants were randomly assigned to intervention and control groups at an individual level. Data were measured twice (baseline and end line survey after six months using interviewer-administered questionnaires). Data were entered into Epi Data V.3.1 and analyzed using SPSS version 22. Data were presented as means of standard deviations for continuous variables and percentages for categorical variables. Intervention and control groups were compared before and after intervention using independent t tests. A p-value less than 0.05 was considered significant for all statistical tests. RESULTS A total of 216 type II diabetics participated in this study. Nutritional promotion intervention programs increased adherence to the mean number of days adhering to a healthy diet (p < 0.0001). Specifically, the nutrition promotion program improved daily intake of fruits and vegetables, low glycemic index foods, high fiber foods, healthy fish oils, low sugar foods, and healthy eating plans (p ≤ 0.050). Mean fasting blood glucose levels were significantly decreased after the educational intervention (p ≤ 0.05). CONCLUSION This study demonstrates that a nutrition-promoting intervention can significantly change patients' adherence to healthy eating behaviors and effectively improve their glycemic control. Health care providers should integrate programs that promote nutrition education into existing health systems service. Primary care platforms such as health posts and health centers can play a key role in integrating health promotion programs to improve self-management behaviors.
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Affiliation(s)
- Akine Eshete
- Department of Public Health, Debre Berhan University, Debre Brehan, Ethiopia.
| | - Abera Lambebo
- Department of Public Health, Debre Berhan University, Debre Brehan, Ethiopia
| | - Sadat Mohammed
- Department of Public Health, Debre Berhan University, Debre Brehan, Ethiopia
| | - Sisay Shewasinad
- Department of Pediatric and Child Health Nursing, Debre Berhan University, Debre Brehan, Ethiopia
| | - Yibeltal Assefa
- School of Public Health, The University of Queensland, Brisbane, Australia
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Okpechi IG, Chukwuonye II, Ekrikpo U, Noubiap JJ, Raji YR, Adeshina Y, Ajayi S, Barday Z, Chetty M, Davidson B, Effa E, Fagbemi S, George C, Kengne AP, Jones ESW, Liman H, Makusidi M, Muhammad H, Mbah I, Ndlovu K, Ngaruiya G, Okwuonu C, Samuel-Okpechi U, Tannor EK, Ulasi I, Umar Z, Wearne N, Bello AK. Task shifting roles, interventions and outcomes for kidney and cardiovascular health service delivery among African populations: a scoping review. BMC Health Serv Res 2023; 23:446. [PMID: 37147670 PMCID: PMC10163711 DOI: 10.1186/s12913-023-09416-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 04/18/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Human resources for health (HRH) shortages are a major limitation to equitable access to healthcare. African countries have the most severe shortage of HRH in the world despite rising communicable and non-communicable disease (NCD) burden. Task shifting provides an opportunity to fill the gaps in HRH shortage in Africa. The aim of this scoping review is to evaluate task shifting roles, interventions and outcomes for addressing kidney and cardiovascular (CV) health problems in African populations. METHODS We conducted this scoping review to answer the question: "what are the roles, interventions and outcomes of task shifting strategies for CV and kidney health in Africa?" Eligible studies were selected after searching MEDLINE (Ovid), Embase (Ovid), CINAHL, ISI Web of Science, and Africa journal online (AJOL). We analyzed the data descriptively. RESULTS Thirty-three studies, conducted in 10 African countries (South Africa, Nigeria, Ghana, Kenya, Cameroon, Democratic Republic of Congo, Ethiopia, Malawi, Rwanda, and Uganda) were eligible for inclusion. There were few randomized controlled trials (n = 6; 18.2%), and tasks were mostly shifted for hypertension (n = 27; 81.8%) than for diabetes (n = 16; 48.5%). More tasks were shifted to nurses (n = 19; 57.6%) than pharmacists (n = 6; 18.2%) or community health workers (n = 5; 15.2%). Across all studies, the most common role played by HRH in task shifting was for treatment and adherence (n = 28; 84.9%) followed by screening and detection (n = 24; 72.7%), education and counselling (n = 24; 72.7%), and triage (n = 13; 39.4%). Improved blood pressure levels were reported in 78.6%, 66.7%, and 80.0% for hypertension-related task shifting roles to nurses, pharmacists, and CHWs, respectively. Improved glycaemic indices were reported as 66.7%, 50.0%, and 66.7% for diabetes-related task shifting roles to nurses, pharmacists, and CHWs, respectively. CONCLUSION Despite the numerus HRH challenges that are present in Africa for CV and kidney health, this study suggests that task shifting initiatives can improve process of care measures (access and efficiency) as well as identification, awareness and treatment of CV and kidney disease in the region. The impact of task shifting on long-term outcomes of kidney and CV diseases and the sustainability of NCD programs based on task shifting remains to be determined.
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Affiliation(s)
- Ikechi G Okpechi
- Department of Medicine, University of Alberta, Edmonton, Canada.
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa.
| | - Ijezie I Chukwuonye
- Department of Internal Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria
| | - Udeme Ekrikpo
- Division of Nephrology, University of Uyo, Akwa Ibo State, Uyo, Nigeria
| | - Jean Jacques Noubiap
- Division of Cardiology, Department of Medicine, University of California-San Francisco, San Francisco, CA, USA
| | - Yemi R Raji
- Department of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Yusuf Adeshina
- Division of Nephrology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
| | - Samuel Ajayi
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
- Department of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Zunaid Barday
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | - Malini Chetty
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | - Bianca Davidson
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | - Emmanuel Effa
- Department of Medicine, University of Calabar, Calabar, Nigeria
- Department of Internal Medicine, Edward Francis Small Teaching Hospital, Banjul, The Gambia
| | - Stephen Fagbemi
- Department of Epidemiology, Ondo State Ministry of Health, Ondo, Nigeria
| | - Cindy George
- Non-Communicable Disease Research Unit, South Africa Medical Research Council, Cape Town, South Africa
| | - Andre P Kengne
- Non-Communicable Disease Research Unit, South Africa Medical Research Council, Cape Town, South Africa
| | - Erika S W Jones
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | - Hamidu Liman
- Division of Nephrology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
| | - Mohammad Makusidi
- Division of Nephrology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
| | - Hadiza Muhammad
- Division of Nephrology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
| | - Ikechukwu Mbah
- Dept of Medicine College of Med and Health Sciences, Bingham University, Jos, Nigeria
| | - Kwazi Ndlovu
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | | | - Chimezie Okwuonu
- Department of Internal Medicine, Federal Medical Centre, Umuahia, Abia State, Nigeria
| | | | - Elliot K Tannor
- Department of Medicine, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Ifeoma Ulasi
- Department of Medicine, University of Nigeria, Ituku Ozalla, Enugu State, Nigeria
| | - Zulkifilu Umar
- Department of Epidemiology, Ondo State Ministry of Health, Ondo, Nigeria
| | - Nicola Wearne
- Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa
| | - Aminu K Bello
- Department of Medicine, University of Alberta, Edmonton, Canada
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Eshete A, Mohammed S, Shine S, Eshetie Y, Assefa Y, Tadesse N. Effect of physical activity promotion program on adherence to physical exercise among patients with type II diabetes in North Shoa Zone Amhara region: a quasi-experimental study. BMC Public Health 2023; 23:709. [PMID: 37072775 PMCID: PMC10114377 DOI: 10.1186/s12889-023-15642-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 04/10/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Diabetes is a significant global public health issue that necessitates self-management. However, this is difficult to put into practice and requires a new approach. The purpose of this study was to assess the effects of a physical activity promotion program on adherence to recommended physical activity and lessons to improve self-management. METHODS A quasi-experimental study was conducted from January 2020 to February 2021 at North Shoa Zone Public Hospital. The study enrolled 216 type II diabetic patients from four public hospitals. Data were entered into Epi Data V.3.1 and analyzed using SPSS version 22. Data were presented as means of standard deviations for continuous variables and percentages for categorical variables. Intervention and control groups were compared before and after intervention using independent t-tests. A p-value less than 0.05 was considered significant for all statistical tests. RESULTS A total of 216 type II diabetics participated in this study. Physical activity promotion programs increased adherence to the recommended number of days and duration (spending time) of physical activity (p < 0.0001). Participants who engaged in the physical activity promotion program significantly increased the mean scores for exercising moderate-intensity activities and spending time (p < 0.05), walking for at least 10 min continuously and spending time (p < 0.05), exercising moderate-intensity recreational activities and spending time (p < 0.05).There was a significant reduction in mean fasting blood glucose after participating in a physical activity program (p < 0.05). CONCLUSION This study demonstrates that a physical activity promotion program makes a significant difference in patient compliance with recommended physical activity and effectively improves patient glycemic control. Health care providers should integrate physical activity programs into existing systems as a common therapeutic service. Primary care platforms such as health posts and health centers can play a key role in integrating health promotion programs to improve self-management behaviors.
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Affiliation(s)
- Akine Eshete
- Department of Public Health, Debre Berhan University, Debre Berhan, Ethiopia.
| | - Sadat Mohammed
- Department of Public Health, Debre Berhan University, Debre Berhan, Ethiopia
| | - Sisay Shine
- Department of Public Health, Debre Berhan University, Debre Berhan, Ethiopia
| | - Yosef Eshetie
- Department of Biomedical Science, Debre Berhan University, Debre Berhan, Ethiopia
| | - Yibeltal Assefa
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - Nigussie Tadesse
- Department of Nursing, Debre Berhan University, Debre Berhan, Ethiopia
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Diriba DC, Suen LKP, Leung DYP. Effects of a culturally tailored, family-supported, community-based self management education and support programme on clinical outcomes among adults with type 2 diabetes in Western Ethiopia: A pilot randomised controlled trial. Diabet Med 2023:e15094. [PMID: 36995364 DOI: 10.1111/dme.15094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 03/09/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023]
Abstract
AIM To examine the preliminary effects of a culturally tailored, family-supported, community-based diabetes self management education and support (DSMES) programme for Ethiopian people with type 2 diabetes on glycosylated haemoglobulin (HbA1c ), blood pressure, body mass index and lipid profiles. METHODS A two-arm pilot randomised controlled trial (RCT) was conducted involving 76 participant-caregiver dyads from Western Ethiopia, which were randomly allocated to the intervention arm to receive 12 h of DSMES intervention guided by social cognitive theory on top of usual care, or to the control group, which received usual care. While HbA1c was a primary outcome, the blood pressure, body mass index and lipid profiles were secondary outcomes. Primary outcome was the change in HbA1c between baseline and 2-month follow-up between the groups. Generalised estimating equations was used to test the preliminary effect of the DSMES programme on the outcomes at baseline, post-intervention and at 2-month follow-up for secondary outcomes. Cohen's d was used to estimate the between-group effect sizes of the intervention. RESULTS The DSMES produced significant improvement in HbA1c with large effect size (β = -1.667, p < 0.001, d = -0.81) and triglycerides with medium effect size (d = -0.50). HbA1c in the intervention group was decreased by 12 mmol/mol (1.1%). Although nonsignificant, the DSMES also had small to moderate effects (d = -0.123 to 0.34) on blood pressure, body mass index, total cholesterol, low-density and high-density lipoproteins when compared with usual care. CONCLUSION A culturally tailored, social cognitive theory-guided, family-supported, community-based DSME programme could have a benefit on HbA1c and triglycerides. A full RCT is warranted to test the effectiveness of the DSMES programme.
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Affiliation(s)
| | | | - Doris Y P Leung
- School of Nursing, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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Mphasha MH, Rapetsoa M, Mathebula N, Makua K, Mazibuko S. Attitudes of Caregivers of Children under Five Years Regarding Growth Monitoring and Promotion in Polokwane, Limpopo Province. CHILDREN (BASEL, SWITZERLAND) 2022; 10:56. [PMID: 36670607 PMCID: PMC9857042 DOI: 10.3390/children10010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/22/2022] [Accepted: 12/24/2022] [Indexed: 12/28/2022]
Abstract
Growth monitoring and promotion (GMP) is critical in tracking child growth to address widespread malnutrition and health status. Attitudes influence behaviour change, including attendance of GMP, and negative attitudes are linked to non-attendance. Moreover, negative attitudes correlate with low socioeconomic position. South Africa is characterized by inequality, which may lead to negative attitudes towards GMP among caregivers with a poor socioeconomic status. Hence, this study seeks to explore the attitudes of caregivers of children under five towards GMP. A qualitative exploratory study design was used. Caregivers of children under five were purposively sampled. Twenty-three participants were interviewed one-on-one, and the data were recorded using voice recorders and field notes. Tesch's eight steps and inductive, descriptive, and open coding techniques were used to analyse the data. Participants understood the significance of GMP and were confident their children would benefit from it; hence, they attended sessions out of love for their children. The inconsistent availability of GMP services and the behaviour of health workers affected participants' attitude. Despite these challenges, participants felt good about GMP. Caregivers' love for their children/grandchildren helped them overcome challenges experienced at the health facilities. Good feelings about GMP boosted caregivers' attitudes and aided in adherence. An intervention to address element impacting attitudes of caregivers is recommended.
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Peer support and social networking interventions in diabetes self-management in Kenya and Uganda: A scoping review. PLoS One 2022; 17:e0273722. [PMID: 36155494 PMCID: PMC9512220 DOI: 10.1371/journal.pone.0273722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 08/11/2022] [Indexed: 11/19/2022] Open
Abstract
Background
Diabetes mellitus is a growing worldwide health challenge especially in sub-Saharan Africa. While the use and effectiveness of diabetes self-management interventions is well documented in high-income countries, little information exists in sub-Saharan Africa. Therefore, this study attempted to synthesize information in the literature on the use and efficacy of peer support and social networking in diabetes self-management in Kenya and Uganda.
Objective
The purpose of this scoping review is to summarize research on the extent of use and efficacy of peer support and social networking interventions in diabetes self-management in Kenya and Uganda.
Design
We searched PubMed, ScienceDirect and Cochrane Library databases for articles reporting peer support and social networking interventions in Kenya and Uganda published in English between 2000 and September 2021. Key words encapsulated three major themes: peer support, social networking and self-management. Hand searches were also conducted to select eligible papers. Data was extracted using a form prepared and piloted in line with PRISMA-ScR guidelines.
Results
Thirteen peer reviewed articles were selected for analysis. Eleven studies reported peer support interventions while two focused on social networks in diabetes self-management. Peer support and social networking interventions incorporated microfinance and group medical visits, diabetes self-management education, telephone support and Medication Adherence Clubs. Most interventions were delivered by multidisciplinary teams comprising nurses and other professionals, peer educators, peer leaders and community health workers. Most interventions were effective and led to improvements in HbA1c and blood pressure, eating behaviors and physical activity and social support.
Conclusions
The limited studies available show that peer support and social networking interventions have mixed results on health and other outcomes. Importantly, most studies reported significant improvements in clinical outcomes. Further research is needed on the nature and mechanisms through which peer support and social network characteristics affect health outcomes.
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15
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Fina Lubaki JP, Omole OB, Francis JM. Glycaemic control among type 2 diabetes patients in sub-Saharan Africa from 2012 to 2022: a systematic review and meta-analysis. Diabetol Metab Syndr 2022; 14:134. [PMID: 36127712 PMCID: PMC9487067 DOI: 10.1186/s13098-022-00902-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/05/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND There is an increased burden of diabetes globally including in sub-Saharan Africa. The literature shows that glycaemic control among type 2 diabetes patients is poor in most countries in sub-Saharan Africa. Understanding the factors influencing glycaemic control in this region is therefore important to develop interventions to optimize glycaemic control. We carried out a systematic review to determine the prevalence and factors associated with glycaemic control in sub-Saharan Africa to inform the development of a glycaemic control framework in the Democratic Republic of the Congo. METHODS We searched five databases (African Index Medicus, Africa-Wide Information, Global Health, PubMed, and Web of Science) using the following search terms: type-2 diabetes, glycaemic control, and sub-Saharan Africa. Only peer-reviewed articles from January 2012 to May 2022 were eligible for this review. Two reviewers, independently, selected articles, assessed their methodological quality using Joanna Briggs checklists, and extracted data. A meta-analysis was performed to estimate the prevalence of glycaemic control. Factors associated with glycaemic control were presented as a narrative synthesis due to heterogeneity as assessed by the I2. RESULTS A total of 74 studies, involving 21,133 participants were included in the review. The pooled prevalence of good glycaemic control was 30% (95% CI:27.6-32.9). The glycaemic control prevalence ranged from 10-60%. Younger and older age, gender, lower income, absence of health insurance, low level of education, place of residence, family history of diabetes, longer duration of diabetes, pill burden, treatment regimen, side effects, use of statins or antihypertensives, alcohol consumption, smoking, presence of comorbidities/complications, and poor management were associated with poor glycaemic control. On the other hand, positive perceived family support, adequate coping strategies, high diabetes health literacy, dietary adherence, exercise practice, attendance to follow-up, and medication adherence were associated with good glycaemic control. CONCLUSION Suboptimal glycaemic control is pervasive among patients with type-2 diabetes in sub-Saharan Africa and poses a significant public health challenge. While urgent interventions are required to optimize glycaemic control in this region, these should consider sociodemographic, lifestyle, clinical, and treatment-related factors. This systematic review and meta-analysis protocol is registered in PROSPERO under CRD 42021237941.
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Affiliation(s)
- Jean-Pierre Fina Lubaki
- Department of Family Medicine and Primary Care, University of the Witwatersrand, Johannesburg, South Africa.
- Department of Family Medicine and Primary Care, Protestant University of Congo, Kinshasa, Democratic Republic of the Congo.
| | - Olufemi Babatunde Omole
- Department of Family Medicine and Primary Care, University of the Witwatersrand, Johannesburg, South Africa
| | - Joel Msafiri Francis
- Department of Family Medicine and Primary Care, University of the Witwatersrand, Johannesburg, South Africa
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Duvenage H, Gericke GJ, Muchiri JW. Diet quality of adults with poorly controlled type 2 diabetes mellitus at a tertiary hospital outpatient clinic in Tshwane District, South Africa. SOUTH AFRICAN JOURNAL OF CLINICAL NUTRITION 2022. [DOI: 10.1080/16070658.2022.2114406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Hanel Duvenage
- Department of Consumer & Food Sciences, University of Pretoria, South Africa
| | - Gerda J Gericke
- Department of Human Nutrition, University of Pretoria, South Africa
| | - Jane W Muchiri
- Department of Human Nutrition, University of Pretoria, South Africa
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Traditional Medicine Use among Type 2 Diabetes Patients in KZN. ADVANCES IN PUBLIC HEALTH 2022. [DOI: 10.1155/2022/7334080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background. Traditional medicine (TM) is widely used in both developing and developed countries to assist in the attempt to curtail the prevalence and increase in diabetes mellitus. Approximately 53% of South Africans use TM to prevent and treat their diseases. There is no conclusive evidence regarding the safety and effectiveness of TM versus prescribed medicine. The most common therapies used by diabetics in Africa include herbal treatments, nutritional products, spiritual healing, and relaxation techniques. Therefore, this study aimed to evaluate the use of TM in patients with T2DM who are on chronic therapy and living in KwaZulu-Natal. Method. This cross-sectional study was conducted at a district hospital, in which purposive sampling was used to recruit participants and data were collected using a structured questionnaire. Information collected included demographic data, information pertaining to home remedies/TM, and self-care practices employed by participants while using TM. Data were analyzed using Pearson’s chi-squared test, t-test, and multivariate logistic regressions to determine predictors of TM usage. Results. Only 92 (27%) of 340 participants reported using TM, with Indians being the most frequent users (58.24%). Approximately, 83.72% (n = 72) used TM in conjunction with prescribed medication. Most participants (56.32%) acquired TM knowledge from family. The most frequently used TM was lemon and honey, Aloe vera, bitter gourd, green tea, and cinnamon. Traditional medicine use among African participants was 0.56 times (OR = 0.56, 95% CI = 0.34, 0.93) lower than Indian participants. There were no significant predictors for TM usage among the variables tested. Conclusion. A low prevalence rate of TM usage in T2DM patients was found. A significant correlation was noted between ethnicity and TM use. Large-scale studies are required to determine the additive and synergistic effects of TM in health care. Consideration should also be given to integrating TM into mainstream health care.
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Rigby RR, Mitchell LJ, Hamilton K, Ball L, Williams LT. Analyzing Dietary Behaviors Self-reported by People With Diabetes Using a Behavior Change Technique Taxonomy. JOURNAL OF NUTRITION EDUCATION AND BEHAVIOR 2022; 54:753-763. [PMID: 35644787 DOI: 10.1016/j.jneb.2022.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE We aimed to explore both the dietary-related behavior change techniques (BCTs) adults with type 2 diabetes (T2D) described to enact themselves and the BCTs they perceived their dietitians to enact within consultations. DESIGN Qualitative study involving semistructured telephone interviews with adults who consulted with a dietitian after their T2D diagnosis. Participants shared their experience of dietary behavior change and interactions with dietitians. SETTING Telephone-based interviews from an Australian university setting. PARTICIPANTS Twenty-one adults (12 females and 9 males) aged 36-75 years were self-selected and invited by email. PHENOMENON OF INTEREST Dietary behavior changes reportedly enacted after a T2D diagnosis by participants and their dietitians. ANALYSIS Transcripts were analyzed through thematic content analysis according to the BCT taxonomy. RESULTS Participants described several BCTs such as problem-solving and self-monitoring (behavior), which helped their dietary behavior change. Participants perceived their dietitians to use BCTs, including goal setting (outcome), self-monitoring (behavior), and instruction on how to perform the behavior. These participants who had consulted with a dietitian reported additional techniques than those prescribed in the consultation process. CONCLUSIONS AND IMPLICATIONS Adults with T2D undertake a variety of BCTs to support dietary behavior change. Dietitians can draw on behavior change taxonomies to support behavior change in clients.
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Affiliation(s)
- Roshan R Rigby
- Nutrition and Dietetics, School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, Australia; Menzies Health Institute Queensland, Gold Coast, Queensland, Australia.
| | - Lana J Mitchell
- Nutrition and Dietetics, School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, Australia; Menzies Health Institute Queensland, Gold Coast, Queensland, Australia
| | - Kyra Hamilton
- Health and Psychology Innovations Research Lab, School of Applied Psychology, Menzies Health Institute Queensland, Griffith University, Brisbane, Australia
| | - Lauren Ball
- Nutrition and Dietetics, School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, Australia; Menzies Health Institute Queensland, Gold Coast, Queensland, Australia
| | - Lauren T Williams
- Nutrition and Dietetics, School of Health Sciences and Social Work, Griffith University, Gold Coast, Queensland, Australia; Menzies Health Institute Queensland, Gold Coast, Queensland, Australia
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Al-Ma'aitah OH, Demant D, Jakimowicz S, Perry L. Glycaemic control and its associated factors in patients with type 2 diabetes in the Middle East and North Africa: An updated systematic review and meta-analysis. J Adv Nurs 2022; 78:2257-2276. [PMID: 35621355 PMCID: PMC9541219 DOI: 10.1111/jan.15255] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 02/05/2022] [Accepted: 03/23/2022] [Indexed: 12/01/2022]
Abstract
Aims To examine the patient‐related factors that have been linked to glycaemic control in people living with type 2 diabetes mellitus in Middle Eastern countries. Design A systematic review and meta‐analysis. Data Sources A computerized search was conducted using the databases MEDLINE (via PubMed and Ovid), EMBASE, Scopus and CINAHL to identify peer‐reviewed articles published in English between 1 January 2010 and 21 May 2020. On 28 June 2021, the search was updated with the same keywords and databases; however, no further relevant studies were identified. Review Methods Extracted data were analysed using Review Manager 5.4. Results The final sample consisted of 54 articles with a total of 41,079 participants. Pooled data showed an increased risk of inadequate glycaemic control in smokers [OR = 1.26, 95% confidence interval (CI): 1.05, 1.52; p = .010], obese patients (OR = 1.30, 95% CI: 1.10, 1.54; p = .002), patients with elevated waist to hip ratio (OR = 1.62, 95% CI: 1.16, 2.26; p = .004) and longer disease duration (OR = 2.01, 95% CI: 1.64, 2.48; p < .001). A lower risk of inadequate control was associated with physical activity (OR = 0.40, 95% CI: 0.24, 0.67; p < .001) and self‐management (OR = 0.49, 95% CI: 0.29, 0.82; p = .006). Conclusion These findings highlight the opportunity to address factors to improve glycaemic control. Further longitudinal studies are required to better understand these variations, to assess all predictors of glycaemic control in participants with type 2 diabetes, and to provide a strong basis for future measures to optimize glycaemic control.
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Affiliation(s)
- Odai Hamed Al-Ma'aitah
- School of Nursing and Midwifery, Faculty of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
| | - Daniel Demant
- School of Public Health, Faculty of Health, University of Technology Sydney, Ultimo, New South Wales, Australia.,School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Samantha Jakimowicz
- School of Nursing and Midwifery, Faculty of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
| | - Lin Perry
- School of Nursing and Midwifery, Faculty of Health, University of Technology Sydney, Ultimo, New South Wales, Australia.,Prince of Wales Hospital, South Eastern Sydney Local Health District, Sydney, Australia
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Ogungbe O, Cazabon D, Ajenikoko A, Jeemon P, Moran AE, Commodore-Mensah Y. Determining the frequency and level of task-sharing for hypertension management in LMICs: A systematic review and meta-analysis. EClinicalMedicine 2022; 47:101388. [PMID: 35480075 PMCID: PMC9035722 DOI: 10.1016/j.eclinm.2022.101388] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/18/2022] [Accepted: 03/28/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Low- and middle-income countries (LMICs) bear a disproportionately higher burden of Cardiovascular Disease (CVD). Team-based care approach adds capacity to improve blood pressure (BP) control. This updated review aimed to test team-based care efficacy at different levels of hypertension team-based care complexity. METHODS We searched PubMed, Embase, Cochrane, and CINAHL for newer articles on task-sharing interventions to manage hypertension in LMICs. Levels of tasks complexity performed by healthcare workers added to the clinical team in hypertension control programs were categorized as administrative tasks (level 1), basic clinical tasks (level 2), and/or advanced clinical tasks (level 3). Meta-analysis using an inverse variance weighted random-effects model summarized trial-based evidence on the efficacy of team-based care on BP control, compared with usual care. FINDINGS Forty-three RCT articles were included in the meta-analysis: 31 studies from the previous systematic review, 12 articles from the updated search. The pooled mean effect for team-based care was a -4.6 mm Hg (95% CI: -5.8, -3.4, I2 = 80.2%) decrease in systolic BP compared with usual care. We found similar comparative reduction among different levels of team-based care complexity, i.e., administrative and basic clinical tasks (-4.7 mm Hg, 95% CI: -6.8, -2.2; I2 = 79.8%); and advanced clinical tasks (-4.5 mmHg, 95%CI: -6.1, -3.3; I2 = 81%). Systolic BP was reduced most by team-based care involving pharmacists (-7.3 mm Hg, 95% CI: -9.2, -5.4; I2 = 67.2%); followed by nurses (-5.1 mm Hg, 95% CI: -8.0, -2.2; I2 = 72.7%), dieticians (-4.7 mmHg, 95%CI: -7.1, -2.3; I2 = 0.0%), then community health workers (-3.3 mm Hg, 95% CI: -4.8, -1.8; I2 = 77.3%). INTERPRETATION Overall, team-based hypertension care interventions consistently contributed to lower systolic BP compared to usual care; the effect size varies by the clinical training of the healthcare team members. FUNDING Resolve To Save Lives (RTSL) Vital Strategies, Danielle Cazabon, Andrew E. Moran, Yvonne Commodore-Mensah receive salary support from Resolve to Save Lives, an initiative of Vital Strategies. Resolve to Save Lives is jointly supported by grants from Bloomberg Philanthropies, the Bill & Melinda Gates Foundation, and Gates Philanthropy Partners, which is funded with support from the Chan Zuckerberg Foundation.
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Affiliation(s)
| | - Danielle Cazabon
- Resolve to Save Lives, an initiative of Vital Strategies, New York, NY, USA
| | - Adefunke Ajenikoko
- Resolve to Save Lives, an initiative of Vital Strategies, New York, NY, USA
| | - Panniyammakal Jeemon
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, India
| | - Andrew E. Moran
- Resolve to Save Lives, an initiative of Vital Strategies, New York, NY, USA
- Columbia University Irving Medical Center, Columbia University, New York, New York
| | - Yvonne Commodore-Mensah
- Johns Hopkins University School of Nursing, Baltimore, MD, USA
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
- Corresponding author. Yvonne Commodore-Mensah, PhD, MHS, RN, Johns Hopkins University School of Nursing, 525 N. Wolfe St. Baltimore, MD. 21205 United States
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Effectiveness of Strategies for Nutritional Therapy for Patients with Type 2 Diabetes and/or Hypertension in Primary Care: A Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074243. [PMID: 35409925 PMCID: PMC8998242 DOI: 10.3390/ijerph19074243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 02/04/2023]
Abstract
A central aspect to the management of type 2 Diabetes Mellitus (T2DM) and hypertension is promoting a healthy lifestyle, and nutritional therapy (NT) can support patients achieving glycemic control and blood pressure targets. This systematic review aimed to evaluate the effectiveness of NT in the management of patients with T2DM and/or hypertension in primary care. Primary outcomes were HbA1c, systolic blood pressure (SBP) and diastolic blood pressure (DBP). Thirty-nine studies were included, thirty on T2DM and nine on hypertension. With a moderate quality of evidence, educational/counseling programs and food replacement programs in primary care likely reduce HbA1c on patients with T2DM (mean difference (MD): −0.37, 95% CI: −0.57 to −0.17, 7437 patients, 27 studies; MD: −0.54, 95% CI: −0.75 to −0.32, 440 patients, 2 studies, respectively). Mediterranean diet for T2DM was accessed by one study, and no difference between the groups was found. Educational and counseling programs likely reduce DBP in patients with hypertension (MD: −1.79, 95% CI: −3.46, −0.12, 2840 patients, 9 studies, moderate quality of the evidence), but the effect in SBP was unclear due to risk of bias and imprecision. Nutritional therapy strategies (i.e., educational/counseling programs and food replacement programs) in primary care improved HbA1c in patients with T2DM and DBP in individuals with hypertension.
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Guilbert E, Perry R, Whitmarsh A, Sauchelli S. Short-term effectiveness of nutrition therapy to treat type 2 diabetes in low-income and middle-income countries: systematic review and meta-analysis of randomised controlled trials. BMJ Open 2022; 12:e056108. [PMID: 35273056 PMCID: PMC8915303 DOI: 10.1136/bmjopen-2021-056108] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVES This review examined the evidence arising from randomised controlled trials regarding the impact of nutrition therapy on glycaemic control in people living with type 2 diabetes mellitus (T2DM) in low/middle-income countries (LMICs). DESIGN Systematic review and meta-analysis using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) Approach. DATA SOURCES MEDLINE, EMBASE, Web of Science, OpenGrey and the International Clinical Trials Registry were searched (up to July 3 2020). ELIGIBILITY CRITERIA Trials were included if they evaluated nutrition therapy in adults diagnosed with T2DM, were conducted in LMICs, measured glycaemic control and the trial included a 3-month post-intervention assessment. Nutrition therapy was defined according to American Diabetes Association recommendations. DATA EXTRACTION AND SYNTHESIS Two independent reviewers screened the database. Study characteristics and outcome data were extracted using a data collection form. Meta-analyses were conducted for glycated haemoglobin (HbA1c) and fasting blood glucose. Trials were assessed for risk of bias (Cochrane Risk-of-Bias, Version 2.0) and overall certainty of evidence (GRADE). RESULTS Four trials met inclusion criteria (total n=463), conducted in Malaysia, Iran and South Africa. All trials focused on nutrition education with no direct prescription or manipulation of diet. Mean differences between intervention and standard care were -0.63% (95% CI -1.47% to 0.21%) for HbA1c and -13.63 mg/dL (95% CI -37.61 to 10.34) for fasting blood glucose in favour of the intervention. Given the small number of eligible trials, moderate to high risk of publication bias and serious concerns regarding consistency and precision of the evidence, certainty of evidence was deemed to be very low. CONCLUSIONS There is a lack of well-conducted randomised controlled trials that examine the long-term impact of nutrition therapy in LMICs, preventing firm conclusions to be made on their effectiveness. Further research is essential to discover realistic, evidence-based solutions. PROSPERO REGISTRATION NUMBER CRD42020188435.
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Affiliation(s)
| | - Rachel Perry
- National Institute for Health Research Bristol Biomedical Research Centre; University Hospitals of Bristol and Weston NHS Foundation Trust and University of Bristol, Bristol, UK
| | - Alex Whitmarsh
- National Institute for Health Research Bristol Biomedical Research Centre; University Hospitals of Bristol and Weston NHS Foundation Trust and University of Bristol, Bristol, UK
| | - Sarah Sauchelli
- National Institute for Health Research Bristol Biomedical Research Centre; University Hospitals of Bristol and Weston NHS Foundation Trust and University of Bristol, Bristol, UK
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23
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Sugar-Sweetened Beverage Consumption in Adults: Evidence from a National Health Survey in Peru. Nutrients 2022; 14:nu14030582. [PMID: 35276941 PMCID: PMC8840136 DOI: 10.3390/nu14030582] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/25/2022] [Accepted: 01/25/2022] [Indexed: 01/27/2023] Open
Abstract
High consumption of sugar-sweetened beverages (SSB) is associated with a high risk of non-communicable diseases. Evidence of SSB consumption is needed to inform SSB-related policies, especially in countries with a high consumption, such as Peru. Using data from Peru’s National Health Survey conducted in 2017–2018, the consumption of homemade and ready-to-drink SSB was estimated from a single 24 h dietary recall, accounting for socio-demographic and health-related variables. Regression models were fitted to assess which variables were linked to a high/low SSB consumption. There were 913 people and mean age was 37.7 years (95% confidence interval (CI): 36.9–38.6). Mean consumption (8 oz servings/day) of homemade SSB (1.2) doubled that of ready-to-drink SSB (0.5). The intake of homemade and ready-to-drink SSB was higher in men (1.3 and 0.7) than women (1.1 and 0.3). The intake of ready-to-drink SSB was higher in urban (0.6) compared to rural (0.2) populations. People aware of having diabetes had a lower consumption of both ready-to-drink (0.9 vs. 0.4) and homemade SSB (1.3 vs. 0.8) than those unaware of having diabetes. Male sex and living in urban locations were associated with higher ready-to-drink SSB intake. Older age was associated with a higher intake of homemade SSB. Amongst Peruvian adults, the consumption of SSB products (particularly homemade) remains high. Population-wide interventions should also aim to improve awareness of the nutritional components of homemade beverages.
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Zhang H, Zhang Q, Luo D, Cai X, Li R, Zhang Y, Lu Y, Liu J, Gu J, Li M. The effect of family-based intervention for adults with diabetes on HbA1c and other health-related outcomes: Systematic review and meta-analysis. J Clin Nurs 2021; 31:1488-1501. [PMID: 34888968 DOI: 10.1111/jocn.16082] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/11/2021] [Accepted: 10/03/2021] [Indexed: 01/17/2023]
Abstract
AIMS AND OBJECTIVES To evaluate the effectiveness of family-based intervention for adults with diabetes on glycosylated haemoglobin and other health-related outcomes. BACKGROUND The impact of family-based intervention on adults with diabetes has been evaluated in various studies, but there is uncertainty about their effect on health-related outcomes for adults with diabetes. DESIGN A systematic review and meta-analysis of randomised controlled trials. METHODS A review was performed and reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Six relevant databases were searched from inception to 5 March 2021. Heterogeneity between studies was quantified by using Higgins' I2 test. Sensibility and subgroup analyses were used to explore potential heterogeneity. RESULTS The review included 23 studies (3,114 participants). Family-based intervention had a significant effect on improving glycosylated haemoglobin levels, body mass index, blood pressure, fasting glucose, diabetes self-care, diabetes self-efficacy, diabetes distress and positive family support. Non-significant results were obtained for blood lipid, body weight, depression and negative family support. In particular, subgroup analyses indicated that family-based intervention in Asian regions was more effective in improving glycosylated haemoglobin levels than in other areas. CONCLUSION Family-based intervention may improve diabetes control, diabetes self-care, psychological well-being and positive family support in adults with diabetes and is especially effective in Asian regions. Given the limitations in current studies, further studies are recommended to combine family theory with family-based intervention, and to examine the effectiveness of such intervention for family members. RELEVANCE TO CLINICAL PRACTICE This review and meta-analysis provides evidence that family-based intervention can improve positive family support, which has a good effect on diabetes control and psychological well-being in adults with diabetes, and it is especially effective in Asian regions. Findings suggested that unreinforced participation by family members and integrating flexible strategies into family-based intervention may be equally effective.
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Affiliation(s)
- Huijing Zhang
- School of Nursing, Peking University, Beijing, China
| | - Qi Zhang
- School of Nursing, Peking University, Beijing, China
| | - Dan Luo
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xue Cai
- Nursing Department, ZhongDa Hospital Southeast University, Nanjing, China
| | - Ruxue Li
- School of Nursing, Peking University, Beijing, China
| | - Yating Zhang
- School of Nursing, Peking University, Beijing, China
| | - Yanhui Lu
- School of Nursing, Peking University, Beijing, China
| | - Jiajia Liu
- School of Nursing, Peking University, Beijing, China
| | - Jiaxin Gu
- School of Nursing, Peking University, Beijing, China
| | - Mingzi Li
- School of Nursing, Peking University, Beijing, China
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Heine M, Lategan F, Erasmus M, Lombaard CM, Mc Carthy N, Olivier J, van Niekerk M, Hanekom S. Health education interventions to promote health literacy in adults with selected non-communicable diseases living in low-to-middle income countries: A systematic review and meta-analysis. J Eval Clin Pract 2021; 27:1417-1428. [PMID: 33749092 DOI: 10.1111/jep.13554] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/15/2021] [Accepted: 02/21/2021] [Indexed: 12/17/2022]
Abstract
RATIONALE, AIMS AND OBJECTIVES Health illiteracy is an important contributor to the burden of non-communicable diseases (NCDs); in particular in settings where health illiteracy is part of a perpetuating system of risk factors. Interventions that promote health literacy may provide an important tool in the primary and secondary prevention of NCDs. The objective of this systematic review was to evaluate the effectiveness of health literacy interventions on health literacy in the management of patients with selected NCDs living in low-to-middle income countries (LMIC). METHODS Seven electronic databases were searched (October 29, 2020) for RCTs aimed at improving health literacy in adults with NCDs in LMICs. Eligible NCDs included those pertaining to cancer, cardiovascular disease (CVD), chronic respiratory disease (CRD) or Diabetes. Studies were included that explicitly focussed on improving health literacy, and reported comprehensive measures of health literacy, or components thereof (ie, knowledge, attitude or behaviour). Random-effect meta-analyses were conducted for continuous outcome measures (Hedges-g). RESULTS The completed search yielded 2573 unique results of which 53 unique studies met the inclusion criteria. Studies included patients with cancer (n = 1, 2%), CRD (n = 8, 15%), CVD (n = 11, 21%) or Diabetes (n = 33, 62%). A significant (P < .01) summary effect was found for disease knowledge (SES = 1.27 [n = 23, 95%CI = 1.05-1.49]), attitude (SES = 1.17 [n = 20, 95%CI = 0.88-1.47]), and behaviour (SES = 1.20 [n = 31, 95%CI = 0.94-1.46]). CONCLUSIONS These results support the conclusion that there is compelling evidence, in particular, for patients with Diabetes, that health-literacy interventions are effective in promoting disease knowledge, attitude and behaviour across four chronic conditions that drive the burden of NCDs.
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Affiliation(s)
- Martin Heine
- Institute of Sport and Exercise Medicine, Division of Orthopaedics, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Frandene Lategan
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Misha Erasmus
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Chris-Mari Lombaard
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Nina Mc Carthy
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Jeandri Olivier
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Marnus van Niekerk
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Susan Hanekom
- Division of Physiotherapy, Department of Health and Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
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Derakhshandeh-Rishehri SM, Heidari-Beni M, Faghih S, Mirfardi A. The effects of formal nutrition education on anthropometric indices, lipid profile, and glycemic control of patients with type 2 diabetes: a systematic review and meta-analysis. Int J Diabetes Dev Ctries 2021. [DOI: 10.1007/s13410-021-01023-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Vasconcelos C, Cabral M, Ramos E, Mendes R. The impact of a community-based food education programme on dietary pattern in patients with type 2 diabetes: Results of a pilot randomised controlled trial in Portugal. HEALTH & SOCIAL CARE IN THE COMMUNITY 2021; 29:e318-e327. [PMID: 33761180 DOI: 10.1111/hsc.13356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 01/07/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
The purpose of this study was to analyse the effects of a food education programme, with easy-to-implement strategies integrated in a community-based exercise programme, on dietary pattern of patients with type 2 diabetes (T2D). Thirty-three patients (65.4 ± 5.9 years old) were engaged in a 9-month randomised controlled trial: a supervised exercise programme (control group [CON]; n = 15; combined exercise; three sessions per week; 75 min per session) or the same exercise programme plus a concomitant 16-week food education programme (experimental group [EXP]; n = 18; 15-min. group classes and dual-task strategies during exercise). Dietary pattern was assessed using a 3-day food record at baseline and at 9 months. The intake of total fat, polyunsaturated fat, and the daily servings of vegetables significantly increased in EXP compared with the CON group. Retention and adherence to the programme were 54% and 49.5 ± 27.2%, respectively. This food education programme improved dietary pattern of patients with T2D. Special attention should be given to strategies that support participants' attendance.
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Affiliation(s)
- Carlos Vasconcelos
- Department of Sports Sciences, Exercise and Health, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- School of Education of Viseu, Polytechnic Institute of Viseu, Viseu, Portugal
| | - Maria Cabral
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
| | - Elisabete Ramos
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Departamento de Ciências da Saúde Pública e Forenses e Educação Médica, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
| | - Romeu Mendes
- Department of Sports Sciences, Exercise and Health, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Northern Region Health Administration, Porto, Portugal
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Low JHM, Toh DWK, Ng MTT, Fam J, Kua EH, Kim JE. A Systematic Review and Meta-Analysis of the Impact of Different Intensity of Dietary Counselling on Cardiometabolic Health in Middle-Aged and Older Adults. Nutrients 2021; 13:nu13092936. [PMID: 34578814 PMCID: PMC8469488 DOI: 10.3390/nu13092936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 08/18/2021] [Accepted: 08/21/2021] [Indexed: 11/16/2022] Open
Abstract
Dietary counselling has been identified as one of the nutritional strategies to alleviate cardiometabolic health conditions. Its effectiveness however may vary due to factors such as intensity level and provider while this has not been comprehensively studied. This systematic review and meta-analysis aimed to assess the effects of dietary counselling on the cardiometabolic health in middle-aged and older adults and the sub-group analyses with dietary counselling intensity and the provider were also assessed. Four databases including PubMed, CINAHL Plus with Full Text, Cochrane Library and EMBASE were systematically searched. Data from 22 randomised controlled trials (RCTs) were compiled and those from 9 RCTs were utilised for meta-analysis. Dietary counselling lowered total cholesterol (TC) and fasting blood sugar (FBS) but had no impact on triglycerides (TG) and low-density lipoprotein (LDL). Sub-group analysis revealed significant lowering effect of high intensity dietary counselling for TG (weighted mean difference (WMD): −0.24 mmol/L, 95% confidence intervals (CIs): −0.40 to −0.09), TC (WMD: −0.31 mmol/L, 95% CIs: −0.49 to −0.13), LDL (WMD: −0.39 mmol/L, 95% CIs: −0.61 to −0.16) and FBS (WMD: −0.69 mmol/L, 95% CIs: −0.99 to −0.40) while medium or low intensity dietary counselling did not show favouring effects. Counselling provider showed differential responses on cardiometabolic health between dietitian and all other groups. The findings from this systematic review and meta-analysis suggest that dietary counselling is a beneficial dietary strategy to improve cardiometabolic health in middle-aged and older adults with the emphasis on the counselling intensity.
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Affiliation(s)
- Jasmine Hui Min Low
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore 117543, Singapore; (J.H.M.L.); (D.W.K.T.)
| | - Darel Wee Kiat Toh
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore 117543, Singapore; (J.H.M.L.); (D.W.K.T.)
| | - Magdeline Tao Tao Ng
- National University of Singapore Libraries, National University of Singapore, Singapore 117543, Singapore;
| | - Johnson Fam
- Department of Psychological Medicine, National University of Singapore, Singapore 119228, Singapore; (J.F.); (E.H.K.)
| | - Ee Heok Kua
- Department of Psychological Medicine, National University of Singapore, Singapore 119228, Singapore; (J.F.); (E.H.K.)
| | - Jung Eun Kim
- Department of Food Science & Technology, Faculty of Science, National University of Singapore, Singapore 117543, Singapore; (J.H.M.L.); (D.W.K.T.)
- Correspondence: ; Tel.: +65-6516-1136
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Kumah E, Otchere G, Ankomah SE, Fusheini A, Kokuro C, Aduo-Adjei K, A. Amankwah J. Diabetes self-management education interventions in the WHO African Region: A scoping review. PLoS One 2021; 16:e0256123. [PMID: 34403455 PMCID: PMC8370626 DOI: 10.1371/journal.pone.0256123] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 08/01/2021] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Diabetes mellitus (DM) is one of the commonest chronic diseases worldwide. Self-Management Education (SME) is regarded as a critical element of treatment for all people with diabetes, as well as those at risk of developing the condition. While a great variety of diabetes self-management education (DSME) interventions are available in high-income countries, limited information exists on educational programs for the prevention and management of diabetes complications in Africa. This study, therefore, aimed at synthesizing information in the literature to describe the state of the science of DSME interventions in the WHO African Region. MATERIALS AND METHODS The study is a scoping review, which followed the standard PRISMA guidelines for conducting and reporting scoping reviews. A systematic keyword and subject headings searches were conducted on six electronic databases (PubMed, Scopus, MEDLINE, EMBASE, PsychINFO and the Cochrane Central Register of Controlled Trials) to identify relevant English language publications on DSME from 2000 through 2020. Titles and abstracts of the search results were screened to select eligible papers for full text reading. All eligible papers were retrieved and full text screening was done by three independent reviewers to select studies for inclusion in the final analysis. RESULTS Nineteen studies were included in the review. The interventions identified were individually oriented, group-based, individually oriented & group-based, and information technology-based DSME programs. Outcomes of the interventions were mixed. While the majority yielded significant positive results on HbA1c, diabetes knowledge, blood pressure, blood sugar and foot care practices; few demonstrated positive outcomes on self-efficacy, BMI, physical activity; self-monitoring of blood glucose, medication adherence, smoking and alcohol consumption. CONCLUSIONS The limited studies available indicate that DSME interventions in the WHO African Region have mixed effects on patient behaviors and health outcomes. That notwithstanding, the majority of the interventions demonstrated statistically significant positive effects on HbA1c, the main outcome measure in most DSME intervention studies.
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Affiliation(s)
- Emmanuel Kumah
- Department of Health Administration and Education, Faculty of Science Education, University of Education, Winneba, Ghana
| | - Godfred Otchere
- Policy, Planning, Monitoring and Evaluation Unit, Komfo Anokye Teaching Hospital, Kumasi, Ghana
- Faculty of Humanities, Center for Medicine and Society, University of Freiburg, Freiburg im Breisgau, Germany
| | - Samuel Egyakwa Ankomah
- Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Adam Fusheini
- Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
- Center for Health Literacy and Rural Health Promotion, Accra, Ghana
| | - Collins Kokuro
- Department of Medicine, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Kofi Aduo-Adjei
- Center for Health Services Management, Faculty of Health, University of Technology Sydney, Sydney, Australia
| | - Joseph A. Amankwah
- Department of Administration, Ankaase Methodist Hospital, Ankaase, Ghana
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Kim J, Hur MH. The Effects of Dietary Education Interventions on Individuals with Type 2 Diabetes: A Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168439. [PMID: 34444187 PMCID: PMC8393495 DOI: 10.3390/ijerph18168439] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/14/2022]
Abstract
As the incidence and prevalence of diabetes increases, intervention through dietary education is becoming more important for diabetes control. This systematic review examines the evidence for the efficacy of dietary education interventions on diabetes control. The study subjects were patients with type 2 diabetes, and the main outcome variable was glycosylated hemoglobin level (HbA1c). The target studies were randomized controlled trials. Thirty-six studies were included in the analysis, of which 33 were included in the meta-analysis. The effect size between dietary education and general interventions was -0.42 (n = 5639, MD = -0.42; 95% CI -0.53 to -0.31) and was significantly different (Z = 7.73, p < 0.001). When subgroup analyses were performed following the application periods, intervention methods, and intervention contents, the mean differences in 4-6-month application, individual education, and diet-exercise-psychosocial intervention were -0.51, (n = 2742, 95% CI -0.71 to -0.32), -0.63 (n = 627, 95% CI -1.00 to -0.26), and -0.51 (n = 3244, 95% CI -0.71 to -0.32), respectively. Dietary education interventions provided for at least 3 months were highly effective in controlling HbA1c levels. Regarding the education method, individualized education was more effective, and contact or non-contact education may be applied for this. Combining diet, exercise, and psychosocial intervention is more effective than diet education alone.
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Affiliation(s)
- Juri Kim
- Department of Nursing, University of Kyungmin, 545 Seobu-ro, Uijeongbu-si 11618, Korea;
| | - Myung-Haeng Hur
- College of Nursing, Eulji University, 712 Dongil-ro, Uijeongbu-si 11759, Korea
- Correspondence: ; Tel.: +82-31-951-3868
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Carter N, Chahal P, Chattopadhyay K. Effectiveness and safety of self-management interventions among adult type 2 diabetes mellitus patients in sub-Saharan Africa: a systematic review protocol. JBI Evid Synth 2021; 20:204-213. [PMID: 34324467 DOI: 10.11124/jbies-21-00062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVE The objective of this review is to evaluate and synthesize evidence on the effectiveness and safety of self-management interventions among adult type 2 diabetes mellitus patients in sub-Saharan Africa. INTRODUCTION Type two diabetes mellitus is a large and growing problem in sub-Saharan Africa. Several randomized controlled trials have been conducted assessing a range of self-management interventions among adult patients in sub-Saharan African settings. A comprehensive systematic review on the effectiveness and safety of these self-management interventions is required to inform health policy. This will allow for wide implementation of evidence-based self-management interventions in adults with type 2 diabetes mellitus in sub-Saharan Africa. INCLUSION CRITERIA This systematic review will include randomized controlled trials assessing the effectiveness and safety of self-management interventions among adult type 2 diabetes mellitus patients in sub-Saharan Africa. METHODS The authors will undertake a systematic search for published and unpublished studies using the following sources: MEDLINE (Ovid), Embase (Ovid), CINAHL (EBSCOhost), PsycINFO (Ovid), Scopus, Cochrane Central Register of Controlled Trials (CENTRAL), Global Health (EBSCOhost), Directory of Open Access Journals, OpenGrey, EthOS, and ProQuest Dissertations and Theses. No language restrictions will be applied. The review will be conducted in accordance with the JBI methodology for systematic reviews of effectiveness. Narrative synthesis will be conducted, followed by meta-analysis, where feasible. SYSTEMATIC REVIEW REGISTRATION NUMBER PROSPERO CRD42021237506.
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Affiliation(s)
- Naomi Carter
- Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, UK Health Education England, Leeds, UK The Nottingham Centre for Evidence-Based Healthcare: A JBI Centre of Excellence, Nottingham, UK
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O’Donoghue G, O’Sullivan C, Corridan I, Daly J, Finn R, Melvin K, Peiris C. Lifestyle Interventions to Improve Glycemic Control in Adults with Type 2 Diabetes Living in Low-and-Middle Income Countries: A Systematic Review and Meta-Analysis of Randomized Controlled Trials (RCTs). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18126273. [PMID: 34200592 PMCID: PMC8296019 DOI: 10.3390/ijerph18126273] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/31/2021] [Accepted: 06/04/2021] [Indexed: 12/27/2022]
Abstract
Alongside glucose lowering therapy, clinical guidelines recommend lifestyle interventions as cornerstone in the care of people living with type 2 diabetes (T2DM). There is a specific need for an up-to-date review assessing the effectiveness of lifestyle interventions for people with T2DM living in low-and-middle income countries (MICs). Four electronic databases were searched for RCTs published between 1990 and 2020. T2DM, lifestyle interventions, LMICs and their synonyms were used as search terms. Data codebooks were developed and data were extracted. Narrative synthesis and meta-analysis were conducted using random effects models to calculate mean differences (MD) and standardized mean differences (SMD) and 95% confidence intervals (CI). Of 1284 articles identified, 30 RCTs (n = 16,670 participants) met the inclusion criteria. Pooled analysis revealed significant improvement in HBA1c (MD −0.63; CI: −0.86, −0.40), FBG (SMD −0.35; CI: −0.54, −0.16) and BMI (MD −0.5; CI: −0.8, −0.2). In terms of intervention characteristics, those that included promoted self-management using multiple education components (e.g., diet, physical activity, medication adherence, smoking cessation) and were delivered by healthcare professionals in a hospital/clinic setting were deemed most effective. However, when interpreting these results, it is important to consider that most included studies were evaluated as being of low quality and there was a significant amount of intervention characteristics heterogeneity. There is a need for further well-designed studies to inform the evidence base on which lifestyle interventions are most effective for glycemic control in adults with T2DM living in LMICs.
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Affiliation(s)
- Grainne O’Donoghue
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
- Correspondence:
| | - Cliona O’Sullivan
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
| | - Isabelle Corridan
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
| | - Jennifer Daly
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
| | - Ronan Finn
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
| | - Kathryn Melvin
- School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland; (C.O.); (I.C.); (J.D.); (R.F.); (K.M.)
| | - Casey Peiris
- School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, VIC 3086, Australia;
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Muchiri JW, Gericke GJ, Rheeder P. Effectiveness of an adapted diabetes nutrition education program on clinical status, dietary behaviors and behavior mediators in adults with type 2 diabetes: a randomized controlled trial. J Diabetes Metab Disord 2021; 20:293-306. [PMID: 34222067 PMCID: PMC8212224 DOI: 10.1007/s40200-021-00744-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/30/2020] [Accepted: 01/14/2021] [Indexed: 12/27/2022]
Abstract
PURPOSE This study evaluated the effectiveness of an adapted social-cognitive theory underpinned diabetes nutrition education program (NEP) on: clinical (HbA1c, BMI, blood lipids, blood pressure) and selected dietary behaviors (starchy foods and energy intake, vegetables and fruit intake) and behavior mediators (knowledge and diabetes management self-efficacy) in patients with type 2 diabetes mellitus (T2DM). METHODS A tertiary hospital outpatient adults (40-70 years) with poorly controlled (HbA1c ≥ 8 %) T2DM were randomized to either intervention group (n = 39: NEP, 7-monthly group education sessions, bi-monthly follow-up sessions, 15-minute individual session, workbook + education materials) or control group (n = 38: education materials only). NEP aimed to improve clinical status through improved dietary behaviors and behavior mediators. Outcomes and changes in diabetes medication were assessed at six and 12 months. Intention-to-treat analysis was conducted. ANCOVA compared the groups (baseline values, age, sex adjustments). RESULTS Forty-eight (62.3 %) participants completed the study. Intervention group compared to the control group had lower (-0.53 %), clinically meaningful HbA1c (primary outcome) at 6 months, albeit not sustained at 12 months. Compared to the control group, the intervention group had significantly lower: (i) systolic blood pressure at six and 12 months (ii) diastolic pressure at 12 months, (iii) energy intake at six-months, (iv) up-titration of insulin at six and 12 months and higher diabetes knowledge scores at six months. CONCLUSIONS NEP had limited effects on HbA1c, targeted dietary behaviors and behavior mediators but showed positive effects on blood pressure. The NEP health cost savings potential supports the need for improving program participation. TRIAL REGISTRATION ClinicalTrials.gov. number NCT03334773; 7 November 2017 retrospectively registered.
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Affiliation(s)
- Jane W. Muchiri
- Department of Human Nutrition, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Pretoria, 0001 South Africa
| | - Gerda J. Gericke
- Department of Human Nutrition, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Pretoria, 0001 South Africa
| | - Paul Rheeder
- School of Medicine, Department of Internal Medicine, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Pretoria, 0001 South Africa
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van Zyl C, Badenhorst M, Hanekom S, Heine M. Unravelling 'low-resource settings': a systematic scoping review with qualitative content analysis. BMJ Glob Health 2021; 6:e005190. [PMID: 34083239 PMCID: PMC8183220 DOI: 10.1136/bmjgh-2021-005190] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION The effects of healthcare-related inequalities are most evident in low-resource settings. Such settings are often not explicitly defined, and umbrella terms which are easier to operationalise, such as 'low-to-middle-income countries' or 'developing countries', are often used. Without a deeper understanding of context, such proxies are pregnant with assumptions, insinuate homogeneity that is unsupported and hamper knowledge translation between settings. METHODS A systematic scoping review was undertaken to start unravelling the term 'low-resource setting'. PubMed, Africa-Wide, Web of Science and Scopus were searched (24 June 2019), dating back ≤5 years, using terms related to 'low-resource setting' and 'rehabilitation'. Rehabilitation was chosen as a methodological vehicle due to its holistic nature (eg, multidisciplinary, relevance across burden of disease, and throughout continuum of care) and expertise within the research team. Qualitative content analysis through an inductive approach was used. RESULTS A total of 410 codes were derived from 48 unique articles within the field of rehabilitation, grouped into 63 content categories, and identified nine major themes relating to the term 'low-resource setting'. Themes that emerged relate to (1) financial pressure, (2) suboptimal healthcare service delivery, (3) underdeveloped infrastructure, (4) paucity of knowledge, (5) research challenges and considerations, (6) restricted social resources, (7) geographical and environmental factors, (8) human resource limitations and (9) the influence of beliefs and practices. CONCLUSION The emerging themes may assist with (1) the groundwork needed to unravel 'low-resource settings' in health-related research, (2) moving away from assumptive umbrella terms like 'low-to-middle-income countries' or 'low/middle-income countries' and (3) promoting effective knowledge transfer between settings.
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Affiliation(s)
- Chanel van Zyl
- Division of Physiotherapy, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa
| | - Marelise Badenhorst
- Institute of Sport and Exercise Medicine, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa
| | - Susan Hanekom
- Division of Physiotherapy, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa
| | - Martin Heine
- Institute of Sport and Exercise Medicine, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa
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Stormacq C, Wosinski J, Boillat E, Van den Broucke S. Effects of health literacy interventions on health-related outcomes in socioeconomically disadvantaged adults living in the community: a systematic review. JBI Evid Synth 2021; 18:1389-1469. [PMID: 32813388 DOI: 10.11124/jbisrir-d-18-00023] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVES The objectives of this review were: i) to identify and synthesize the best available evidence on the effectiveness on health-related outcomes of health literacy interventions for enabling socioeconomically disadvantaged people living in the community to access, understand, appraise and apply health information; and ii) to identify components of health literacy interventions associated with improved health-related outcomes. INTRODUCTION Health literacy is defined as a person's competence in accessing, understanding, appraising and applying health information in order to make sound health decisions. A high level of health literacy is positively related to better health outcomes. However, nearly half of the American and European populations have low health literacy levels. Socioeconomically disadvantaged groups in particular present with the weakest health literacy levels, suggesting that differences in health literacy levels contribute to health disparities. Therefore, there is a need to understand the conditions under which health literacy interventions aiming at improving health-related outcomes among socioeconomically disadvantaged people can be implemented. INCLUSION CRITERIA This review considered studies on socioeconomically disadvantaged adults living in the community identified using the socially stratifying PROGRESS factors (Place of residence, Race/ethnicity, Occupation, Gender, Religion, Education, Socioeconomic status, Social capital).This review considered studies evaluating the following interventions: i) targeting health literacy based on either a clinical and/or a public health approach, ii) delivered at the individual, interpersonal, community or societal level, iii) delivered by any healthcare/social work professional, and iv) using a single or multicomponent strategy. The comparator was no treatment, standard care or a variation of the intervention. All randomized and non-randomized controlled trials as well as quasi-experimental designs were included. Outcomes considered were: i) health-related quality of life and health-related outcomes, ii) health behavior outcomes, and iii) outcomes related to the access and use of healthcare services. METHODS A three-step strategy was conducted for primary research published up to May 2018 across seven databases without any language restriction. A search for gray literature was also conducted. Titles and abstracts were screened for assessment against the inclusion criteria. Studies that met the inclusion criteria were retrieved in full and then assessed in detail against the inclusion criteria. Critical appraisal was undertaken using the standardized critical appraisal instruments from JBI. Data were extracted from included studies using standardized data extraction tools from JBI. A meta-analysis was not possible; findings have been presented in a narrative form. RESULTS Twenty-one studies were included in the review. Three studies addressed the health literacy competency of understanding health information, and 18 addressed the competency of applying health information. Thirteen studies were found as effective based on a variety of health-related outcomes (mainly clinical outcomes), preventive health practices and behaviors, and health-promoting behaviors. Results enabled identification of some effective intervention operational components, including cultural appropriateness, tailoring, skills building, goal setting and active discussions. Multi-faceted interventions, combining both an information transfer medium and contact with an interventionist, appear to be more effective than single modality interventions. The use of an appropriate theoretical foundation is also an important factor for successful interventions. CONCLUSION To improve health-related outcomes among socioeconomically disadvantaged people, health literacy interventions are more likely to be successful if they are theory-based, are multi-faceted and use person-centered operational components such as cultural appropriateness, tailoring, skills building, goal setting and active discussions.
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Affiliation(s)
- Coraline Stormacq
- 1Université Catholique de Louvain, Faculté de Santé Publique, Woluwé-Saint-Lambert, Belgium 2La Source, School of Nursing Sciences, HES-SO University of Applied Sciences and Arts of Western Switzerland, Lausanne, Switzerland 3Bureau d'Echanges des Savoirs pour des praTiques exemplaires de soins (BEST): a Joanna Briggs Centre of Excellence 4Ngoma School of Nursing, Adventist University of Central Africa, Kigali, Rwanda 5Université Catholique de Louvain, Faculté de Psychologie et des Sciences de l'Éducation, Louvain-la-Neuve, Belgium
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Diriba DC, Leung DYP, Suen LKP. The effects of diabetes self-management interventions on physiological outcomes in people living with diabetes in Africa: A systematic review and meta-analysis. Diabet Med 2021; 38:e14501. [PMID: 33341999 DOI: 10.1111/dme.14501] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/19/2020] [Accepted: 12/16/2020] [Indexed: 12/26/2022]
Abstract
AIM To examine the effects of diabetes self-management interventions on physiological outcomes among people living with diabetes in Africa compared with patients receiving usual care. METHODS Relevant databases including PubMed, CINAHL Complete, Scopus, the Cochrane Library and Google Scholar were searched from inception to 28 September 2019, for randomised controlled trials (RCTs) involving adults living with diabetes in Africa. Nine RCTs were included in the review, and the quality of the studies was assessed using Cochrane's collaboration risk of bias tools. RESULTS A meta-analysis of the outcomes showed the significant effects of diabetes self-management interventions on blood pressure, total cholesterol and body mass index, whereas non-significant and inconclusive results were obtained for waist circumference and glycosylated haemoglobin, respectively. CONCLUSIONS The diabetes self-management interventions (DSM) effectively improved many physiological outcomes, but their effectiveness in HbA1c was inconclusive, suggesting a need for modifications in DSM interventions for African people living with diabetes.
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Affiliation(s)
| | - Doris Y P Leung
- School of Nursing, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Lorna K P Suen
- School of Nursing, The Hong Kong Polytechnic University, Kowloon, Hong Kong
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Ndahura NB, Munga J, Kimiywe J, Mupere E. Effectiveness of a Structured Nutrition Education Course for Caregivers of Children and Adolescents with Type 1 Diabetes in Improving Glycemic and Dietary Outcomes: A Cluster-Randomized Controlled Trial Protocol. OPEN ACCESS JOURNAL OF CLINICAL TRIALS 2021. [DOI: 10.2147/oajct.s304290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Siopis G, Colagiuri S, Allman-Farinelli M. Effectiveness of dietetic intervention for people with type 2 diabetes: A meta-analysis. Clin Nutr 2021; 40:3114-3122. [PMID: 33413914 DOI: 10.1016/j.clnu.2020.12.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/20/2020] [Accepted: 12/05/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND Diet is central to treatment of type 2 diabetes. This review aimed to compare the effectiveness of nutrition therapy delivered by dietitians to nutrition advice delivered by other healthcare professionals in adults with type 2 diabetes on metabolic parameters. METHODS Cochrane CENTRAL, CINAHL, EMBASE, MEDLINE and PsychINFO were searched for randomised controlled trials of three months duration or longer, published from 1st January 2008 to 18th June 2019. Relevant data were extracted from studies with additional author information. Random-effects meta-analysis assessed mean changes in HbA1c and other clinical parameters. PROSPERO registration number: CRD42019130528. RESULTS Of 2477 records identified, fourteen studies, involving 3338 participants, were eligible for qualitative synthesis and meta-analysis. The mean changes [95% CI] at follow-up in HbA1c, BMI, weight, LDL cholesterol, systolic and diastolic blood pressure were -0·47 [-0·92, -0·02] %, -0·38 [-0·63, -0·13] kg/m2, -1·49 [-2·14, -0·84] kg, -0·15 [-0·33, 0·04] mmol/L, -0·75 [-2·45, 0·96] mm Hg and -1·17 [-4·52, 2·17] mm Hg respectively in favour of the intervention group. The quality of evidence was limited due to heterogeneity, risk of bias, publication bias and indirectness. CONCLUSIONS Nutrition therapy provided by dietitians was associated with better clinical parameters of type 2 diabetes, including clinically significant improved glycaemic control, across diverse multiethnic patient groups from all six inhabited continents. This conclusion should be reflected in clinical guidelines.
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Affiliation(s)
- George Siopis
- Charles Perkins Centre, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia.
| | - Stephen Colagiuri
- WHO Collaborating Centre for Physical Activity, Nutrition and Obesity, The Boden Collaboration for Obesity, Nutrition, Exercise & Eating Disorders, Faculty of Medicine and Health; Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Margaret Allman-Farinelli
- Charles Perkins Centre, School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
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Mogueo A, Oga‐Omenka C, Hatem M, Kuate Defo B. Effectiveness of interventions based on patient empowerment in the control of type 2 diabetes in sub-Saharan Africa: A review of randomized controlled trials. Endocrinol Diabetes Metab 2021; 4:e00174. [PMID: 33532614 PMCID: PMC7831206 DOI: 10.1002/edm2.174] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 07/02/2020] [Accepted: 07/04/2020] [Indexed: 12/20/2022] Open
Abstract
Background It is estimated that 1.6 million deaths worldwide were directly caused by diabetes in 2016, and the burden of diabetes has been increasing rapidly in low- and middle-income countries. This study reviews existing interventions based on patient empowerment and their effectiveness in controlling diabetes in sub-Saharan Africa. Method PubMed, MEDLINE, EMBASE, CINAHL, Web of Science, PsycINFO and Global Health were searched through August 2018, for randomized controlled trials of educational interventions on adherence to the medication plan and lifestyle changes among adults aged 18 years and over with type 2 diabetes. Random-effects meta-analysis was used. Results Eleven publications from nine studies involving 2743 participants met the inclusion criteria. The duration of interventions with group education and individual education ranged from 3 to 12 months. For six studies comprising 1549 participants with meta-analysable data on glycaemic control (HbA1c), there were statistically significant differences between intervention and control groups: mean difference was -0.57 [95% confidence interval (CI) -0.75, -0.40] (P < .00001, I2 = 27%). Seven studies with meta-analysable data on blood pressure showed statistically significant differences between groups in favour of interventions. Subgroup analyses on glycaemic control showed that long-term interventions were more effective than short-term interventions and lifestyle interventions were more effective than diabetes self-management education. Conclusion This review supports the findings that interventions based on patient empowerment may improve glycaemia (HbA1c) and blood pressure in patients with diabetes. The long-term and lifestyle interventions appear to be the most effective interventions for glycaemic control.
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Affiliation(s)
- Amélie Mogueo
- School of Public Health of the University of MontrealMontrealQCCanada
- Public Health Research Institute of the University of MontrealMontrealQCCanada
| | - Charity Oga‐Omenka
- School of Public Health of the University of MontrealMontrealQCCanada
- Public Health Research Institute of the University of MontrealMontrealQCCanada
| | - Marie Hatem
- School of Public Health of the University of MontrealMontrealQCCanada
- Sainte‐Justine University Hospital CentreMontrealQCCanada
| | - Barthelemy Kuate Defo
- School of Public Health of the University of MontrealMontrealQCCanada
- Public Health Research Institute of the University of MontrealMontrealQCCanada
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Maria JL, Anand TN, Dona B, Prinu J, Prabhakaran D, Jeemon P. Task-sharing interventions for improving control of diabetes in low-income and middle-income countries: a systematic review and meta-analysis. LANCET GLOBAL HEALTH 2020; 9:e170-e180. [PMID: 33242455 PMCID: PMC8279953 DOI: 10.1016/s2214-109x(20)30449-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 09/22/2020] [Accepted: 10/01/2020] [Indexed: 12/17/2022]
Abstract
Background Task-sharing interventions using non-physician health-care workers might be a potential diabetes management strategy in health systems that are constrained by physician shortages, such as those in low-income and middle-income countries (LMICs). Methods We did a systematic review and meta-analysis of task-sharing intervention strategies for managing type 2 diabetes in LMICs. We searched PubMed, Embase, and CINAHL from database inception to Sept 25, 2019, for studies that were randomised control trials or cluster randomised trials with task-shifted or task-shared interventions delivered to adults (≥18 years) by non-physician health workers versus usual care, done in LMICs with glycated haemoglobin (HbA1c) or fasting blood sugar (FBS) as outcome measures. The methodological quality of included studies was assessed using the Cochrane risk of bias tool. Random-effects model meta-analysis was used to estimate the population average pooled mean difference for HbA1c and FBS with 95% CIs. Our study protocol was registered in the PROSPERO database (CRD42018081015). Findings We found 4213 studies from the literature search, of which 46 (1·1%) were eligible for the narrative synthesis, including a total of 16 973 participants. 16 of these studies were excluded from the meta-analysis due to high risk of bias. 24 studies with a total of 5345 participants were included in the meta-analysis of HbA1c and 18 studies with a total of 3287 participants for FBS. Interventions led to an average reduction in HbA1c when tasks were delivered by nurses (averaged pooled mean difference −0·54% [95% CI −0·89 to −0·18]; I2=80%) and pharmacists (−0·91% [–1·15 to −0·68]; I2=58%), but not when they were delivered by dietitians (−0·50% [–1·10 to 0·09]; I2=54%) or community health workers (0·05% [0·03 to 0·07]; I2=0%). A reduction in average FBS was also observed when interventions were delivered by pharmacists (average pooled mean difference −36·26 mg/dL [–52·60 to −19·92]; I2=78%) but not nurses (−7·46 mg/dL [–18·44 to 3·52]; I2=79%) or community health workers (−5·41 [–12·74 to 1·92]; I2=71%). Only one study reported on FBS when tasks were delivered by dietitians, with a mean difference of −35·00 mg/dL (−65·96 to −4·04). Interpretation Task sharing interventions with non-physician healthcare workers show moderate effectiveness in diabetes management in LMIC settings. Although relatively high heterogeneity limits the interpretation of the overall findings, interventions led by pharmacists and nurses in LMICs with relatively high physician density are effective strategies in the management of diabetes. Funding Wellcome Trust–Department of Biotechnology India Alliance.
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Affiliation(s)
| | - T N Anand
- Centre for Chronic Disease Control, New Delhi, India
| | - Boban Dona
- Centre for Chronic Disease Control, New Delhi, India
| | - Jose Prinu
- Public Health Foundation of India, New Delhi, India
| | - Dorairaj Prabhakaran
- Centre for Chronic Disease Control, New Delhi, India; Public Health Foundation of India, New Delhi, India
| | - Panniyammakal Jeemon
- Achutha Menon Centre for Health Science Studies, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, India.
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Thuita AW, Kiage BN, Onyango AN, Makokha AO. Effect of a nutrition education programme on the metabolic syndrome in type 2 diabetes mellitus patients at a level 5 Hospital in Kenya: "a randomized controlled trial". BMC Nutr 2020; 6:30. [PMID: 32774875 PMCID: PMC7401230 DOI: 10.1186/s40795-020-00355-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 06/02/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2D), is a life-threatening condition of global public health concern. It worsens in the presence of the metabolic syndrome (MetS), a complex disorder characterized by co-occurrence of at least three of such factors as hypertension, obesity, dyslipidemia and insulin resistance. However, lifestyle interventions reduce the risk of both MetS and T2D, and nutrition education can empower individuals on the appropriate, lifestyle changes. The aim of the current study was to evaluate the effect of a nutrition education programme, with and without inclusion of peer to peer support, on MetS in T2D patients. METHODS This was a randomized controlled trial with two intervention groups and one control. One of the intervention groups involved a nutrition education programme with peer-to-peer support (NEP); the other involved only the education program, while the control received standard care. Each group had 51 participants. The nutrition education programme was conducted for 2 h per week for 8 weeks. In addition, the NEP had weekly peer-to-peer interactions for 8 weeks. All groups had follow-up sessions for 6 months. Data on MetS risk factors as well as food intake patterns and physical activity levels were taken at baseline and at different time points during the study. Analysis of Co-variance and regression were used in the analysis. RESULTS The MetS prevalence improved in the NEP (90 to 52%) and NE (86 to 69%), while it worsened in C (88 to 91%). There was improvement in the mean values of the anthropometric parameters in the NEP and NE which worsened in the control group. There was a general improvement in mean values of blood lipids, fasting blood glucose and HbA1c in all the groups, with NEP showing the greatest improvements, followed by NE, except for triglycerides and HDL where the control group had better improvement than the NE. Changes in the anthropometric and metabolic indicators mirrored the changes in food intake patterns and physical activity, where the greatest improvements occurred in the NEP. CONCLUSIONS Nutrition education with inclusion of peer to peer support was of clinical benefit in improving metabolic outcomes and reducing MetS in T2DM patients. TRIAL REGISTRATION The study has been registered retrospectively by Pan African Clinical Trial Registry; Registration No: PACTR201910518676391.
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Affiliation(s)
- Ann Watetu. Thuita
- School of Food and Nutrition Sciences, Department of Human Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
| | - Beatrice Nyanchama Kiage
- School of Food and Nutrition Sciences, Department of Human Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
| | - Arnold N. Onyango
- School of Food and Nutrition Sciences, Department of Human Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
| | - Anselimo O. Makokha
- School of Food and Nutrition Sciences, Department of Human Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
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Rigby RR, Mitchell LJ, Hamilton K, Williams LT. The Use of Behavior Change Theories in Dietetics Practice in Primary Health Care: A Systematic Review of Randomized Controlled Trials. J Acad Nutr Diet 2020; 120:1172-1197. [PMID: 32444328 DOI: 10.1016/j.jand.2020.03.019] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 03/24/2020] [Indexed: 01/05/2023]
Abstract
BACKGROUND Behavior change theories frameworks provide the theoretical underpinning for effective health care. The extent to which they are applied in contemporary dietetics interventions has not been explored. OBJECTIVE To systematically review the evidence of behavior change theory-based interventions delivered by credentialed nutrition and dietetics practitioners in primary health care settings. METHODS Medline, the Cumulative Index to Nursing and Allied Health Literature, PsycINFO, Embase, and Cochrane databases were searched for English language, randomized controlled trials before August 2019. Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines were followed. Eligible interventions included adults (aged ≥18 years) receiving face-to-face dietetics care underpinned by behavior change theories in primary health care settings with outcome measures targeting changes in health behaviors or health outcomes. Screening was conducted independently in duplicate and data were extracted using predefined categories. The quality of each study was assessed using the Cochrane Risk of Bias tool. The body of evidence was assessed using the Academy of Nutrition and Dietetics Evidence Analysis Manual Conclusion Grading Table. RESULTS Thirty articles reporting on 19 randomized controlled trials met the eligibility criteria, representing 5,172 adults. Thirteen studies (68%) showed significant improvements for the primary outcome measured. Social cognitive theory was the behavior change theory most commonly applied in interventions (n=15) with 11 finding significant intervention effects. Goal setting, problem solving, social support, and self-monitoring were the most commonly reported techniques (n=15, n=14, n=11, and n=11, respectively). Most studies had a high (n=11) or unclear (n=8) risk of bias. There was fair evidence (Grade II) supporting the use of behavior change theories to inform development of dietetics interventions. CONCLUSIONS Interventions delivered by credentialed nutrition and dietetics practitioners that were underpinned by behavior change theories and utilizing various behavior change techniques were found to have potential to be more effective at improving patient health outcomes than dietary interventions without theoretical underpinnings. Findings from this review should inform future primary health care research in the area of dietary behavior change. In addition, findings from this review highlight the need for stronger documentation of use of behavior change theory and techniques that map on to the theory within dietetics practice.
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Odgers-Jewell K, Ball LE, Reidlinger DP, Isenring EA, Thomas R, Kelly JT. Replicating group-based education interventions for the management of type 2 diabetes: a review of intervention reporting. Diabet Med 2020; 37:768-778. [PMID: 31646673 DOI: 10.1111/dme.14158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/22/2019] [Indexed: 11/27/2022]
Abstract
AIMS To assess the completeness of reporting of group-based education interventions for the management of type 2 diabetes. METHODS A previous systematic review of group-based education programmes for adults with type 2 diabetes identified eligible intervention studies. Data were extracted and assessed using the Template for Intervention Description and Replication ('TIDieR') checklist. Missing data were sourced from other published material, or by contacting authors. RESULTS Fifty-three publications describing 47 studies were included. No publications sufficiently described all items. Authors of 43 of the 47 included studies (91%) were contacted via e-mail to obtain missing data in order to complete the TIDieR checklist. Seven (16%) did not respond. Additional data were obtained for 33/47 studies (70%). Most studies (45/47, 96%) described the intervention duration and frequency, detailed the procedures and rationale (40/47, 85%), provided a brief intervention name and explained any individual tailoring (38/47, 81%), defined whether providers received training and adequately described how the programme was delivered (37/47, 79%). However, few described any modifications (28/47, 60%), whether the intervention was delivered as planned (27/47, 57%), where it was delivered (21/47, 45%), whether materials were provided (19/47, 40%), and who delivered the intervention (13/47, 28%). CONCLUSIONS Group-based education interventions for the management of type 2 diabetes are poorly reported. To translate effective research into practice, practitioners need sufficient detail to implement evidence-based interventions. Researcher adoption of the TIDieR checklist will assist the translation and replication of published interventions.
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Affiliation(s)
- K Odgers-Jewell
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Australia
| | - L E Ball
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Australia
| | - D P Reidlinger
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Australia
| | - E A Isenring
- Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Australia
| | - R Thomas
- Institute for Evidence-Based Healthcare, Bond University, Gold Coast, Australia
| | - J T Kelly
- School of Public Health, University of Queensland, Brisbane, Australia
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Pujol-Busquets G, Smith J, Larmuth K, Fàbregues S, Bach-Faig A. Exploring the Perceptions of Women from Under-Resourced South African Communities about Participating in a Low-Carbohydrate High-Fat Nutrition and Health Education Program: A Qualitative Focus Group Study. Nutrients 2020; 12:nu12040894. [PMID: 32218249 PMCID: PMC7231178 DOI: 10.3390/nu12040894] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/20/2020] [Accepted: 03/22/2020] [Indexed: 11/16/2022] Open
Abstract
Scientific evidence suggests that low-carbohydrate high-fat (LCHF) diets may be effective for managing non-communicable diseases (NCDs). Eat Better South Africa (EBSA) is an organization that runs LCHF nutrition education programs for women from low-income communities. Three focus group discussions (FGDs) were held with 18 women who had taken part in an EBSA program between 2015 and 2017, to explore their perceptions and to identify the facilitators and barriers they faced in implementing and sustaining dietary changes. Thematic analysis of the focus groups was conducted using NVivo 12 software. Women reported that they decided to enroll in the program because they suffered from NCDs. Most women said that the EBSA diet made them feel less hungry, more energetic and they felt that their health had improved. Most women spoke of socioeconomic challenges which made it difficult for them to follow EBSA’s recommendations, such as employment status, safety issues in the community, and lack of support from relatives and doctors. Hence, women felt they needed more support from EBSA after the program. The social determinants that affected these women’s ability to change their health behavior are also NCD risk factors, and these should be assessed to improve the program for other communities.
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Affiliation(s)
- Georgina Pujol-Busquets
- Division of Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa; (J.S.); (K.L.)
- Faculty of Health Sciences, Universitat Oberta de Catalunya (Open University of Catalonia, UOC), 08018 Barcelona, Spain
- Correspondence: ; Tel.: +34-653-36-85-08 or +27-616-59-26-92
| | - James Smith
- Division of Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa; (J.S.); (K.L.)
| | - Kate Larmuth
- Division of Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa; (J.S.); (K.L.)
| | - Sergi Fàbregues
- Department of Psychology and Education, Universitat Oberta de Catalunya (UOC), 08018 Barcelona, Spain;
| | - Anna Bach-Faig
- FoodLab Research Group (2017SGR 83), Faculty of Health Sciences, Universitat Oberta de Catalunya (Open University of Catalonia, UOC), 08018 Barcelona, Spain;
- Food and Nutrition Area, Barcelona Official College of Pharmacists, 08009 Barcelona, Spain
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García-Molina L, Lewis-Mikhael AM, Riquelme-Gallego B, Cano-Ibáñez N, Oliveras-López MJ, Bueno-Cavanillas A. Improving type 2 diabetes mellitus glycaemic control through lifestyle modification implementing diet intervention: a systematic review and meta-analysis. Eur J Nutr 2019; 59:1313-1328. [PMID: 31781857 DOI: 10.1007/s00394-019-02147-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/18/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Type 2 diabetes mellitus represents a significant health problem. Many studies have reported that intensive nutritional intervention by itself or in addition to medications is the best method to improve glycaemic control in type 2 diabetes mellitus. However, in clinical practice, dietary education is not implemented as an integral part in the management of type 2 diabetes mellitus. The purpose of this systematic review and meta-analysis is to analyse the scientific evidence concerning the role of nutritional intervention in the glycaemic control of type 2 diabetes mellitus. METHODS We searched Pubmed, Scopus, Cochrane Library and Web of Science databases from inception till May 2019 for randomised controlled trials (RCTs) that include dietary interventions in the management of patients with type 2 diabetes mellitus. RESULTS A total of 28 studies were included. Our results demonstrated that lifestyle interventions significantly lowered glycosylated haemoglobin (HbA1c) levels compared to the usual care for patients with type 2 diabetes mellitus, overall weighted mean difference, WMD = - 0.51 (- 0.67, - 0.35). Strategies combining individualized and group-based activities were the most effective, WMD = - 0.95 (- 1.24, - 0.66). Most of stratified analyses did not totally resolve heterogeneity, but improvement in HbA1c levels has been consistently observed. CONCLUSIONS The available evidence from RCTs shows that lifestyle intervention is more effective than the standard care regarding the glycaemic control of type 2 diabetic patients, particularly when there is a weight loss. It is time to translate this evidence to the primary health care practice. The protocol of the present systematic review was registered in PROSPERO, registration number CRD42018090469.
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Affiliation(s)
- Laura García-Molina
- Department of Preventive Medicine and Public Health, University of Granada, Avenida de la Investigación, 11, 18016, Granada, Spain.
- CIBER Epidemiología y Salud Pública (CIBERESP), Avenida Monforte de Lemos, 3-5, 28029, Madrid, Spain.
| | - Anne-Mary Lewis-Mikhael
- Department of Obstetrics and Gynecology, McMaster University, 1280 Main Street West, Hamilton, ON, Canada
- High Institute of Pubic Health, Alexandria University, 165 El-Horreya Avenue - El-Ibrahimia, Alexandria, Egypt
| | - Blanca Riquelme-Gallego
- Department of Preventive Medicine and Public Health, University of Granada, Avenida de la Investigación, 11, 18016, Granada, Spain
- Fundación para la Investigación Biosanitaria de Andalucía Oriental (FIBAO), Avenida de Madrid, 15, 18018, Granada, Spain
| | - Naomi Cano-Ibáñez
- Department of Preventive Medicine and Public Health, University of Granada, Avenida de la Investigación, 11, 18016, Granada, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Avenida Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - María-Jesús Oliveras-López
- Department of Molecular Biology and Biochemical Engineering, University Pablo de Olavide, Carretera de Utrera, Km 1, 41013, Seville, Spain
| | - Aurora Bueno-Cavanillas
- Department of Preventive Medicine and Public Health, University of Granada, Avenida de la Investigación, 11, 18016, Granada, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Avenida Monforte de Lemos, 3-5, 28029, Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Servicio Andaluz de Salud/Universidad de Granada, Avenida de Madrid, 15, 18018, Granada, Spain
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Correia JC, Lachat S, Lagger G, Chappuis F, Golay A, Beran D. Interventions targeting hypertension and diabetes mellitus at community and primary healthcare level in low- and middle-income countries:a scoping review. BMC Public Health 2019; 19:1542. [PMID: 31752801 PMCID: PMC6873661 DOI: 10.1186/s12889-019-7842-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 10/24/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Hypertension (HTN) and diabetes mellitus (DM) are highly prevalent in low- and middle-income countries (LMIC) and a leading cause of morbidity and mortality. Recent evidence on effectiveness of primary care interventions has attracted renewed calls for their implementation. This review aims to synthesize evidence pertaining to primary care interventions on these two diseases, evaluated and tested in LMICs. METHODS Two reviewers conducted an electronic search of three databases (Pubmed, EMBASE and Web of Science) and screened for eligible articles. Interventions covering health promotion, prevention, treatment, or rehabilitation activities at the PHC or community level were included. Studies published in English, French, Portuguese and Spanish, from January 2007 to January 2017, were included. Key extraction variables included the 12 criteria identified by the Template for Intervention Description and Replication (TIDieR) checklist and guide. The Innovative Care for Chronic Conditions Framework (ICCCF) was used to guide analysis and reporting of results. RESULTS 198 articles were analyzed. The strategies focused on healthcare service organization (76.5%), community level (9.7 %), creating a positive policy environment (3.6%) and strategies covering multiple domains (10.2%). Studies included related to the following topics: description or testing of interventions (n=81; 41.3%), implementation or evaluation projects (n=42; 21.4%), quality improvement initiatives (n=15; 7.7%), screening and prevention efforts (n=26; 13.2%), management of HTN or DM (n=13; 6.6%), integrated health services (n=10; 5.1%), knowledge and attitude surveys (n=5; 2.5%), cost-effective lab tests (n=2; 1%) and policy making efforts (n=2; 1%). Most studies reported interventions by non-specialists (n=86; 43.4%) and multidisciplinary teams (n=49; 25.5%). CONCLUSION Only 198 articles were found over a 10 year period which demonstrates the limited published research on highly prevalent diseases in LMIC. This review shows the variety and complexity of approaches that have been tested to address HTN and DM in LMICs and highlights the elements of interventions needed to be addressed in order to strengthen delivery of care. Most studies reported little information regarding implementation processes to allow replication. Given the need for multi-component complex interventions, study designs and evaluation techniques will need to be adapted by including process evaluations versus simply effectiveness or outcome evaluations.
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Affiliation(s)
- Jorge César Correia
- Division of Tropical and Humanitarian Medicine, Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Sarah Lachat
- Division of Tropical and Humanitarian Medicine, Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Grégoire Lagger
- Division of Therapeutic Patient Education for Chronic Diseases. Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - François Chappuis
- Division of Tropical and Humanitarian Medicine, Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Alain Golay
- Division of Therapeutic Patient Education for Chronic Diseases. Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - David Beran
- Division of Tropical and Humanitarian Medicine, Department of Community Medicine, Primary and Emergency Care, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
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Manning K, Senekal M, Harbron J. Group-based intervention in a primary healthcare setting was more effective for weight loss than usual care. Health SA 2019; 24:1172. [PMID: 31934428 PMCID: PMC6917430 DOI: 10.4102/hsag.v24i0.1172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 04/10/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Literature and practice recommendations for lifestyle interventions to treat the increasing number of obese patients with non-communicable diseases (NCDs) or risk factors for NCDs attending resource-constrained public healthcare facilities in South Africa are scarce. AIM To compare the impact of a facility-based therapeutic group (FBTG) intervention with usual care on weight in obese participants, with NCDs or risk factors for NCDs. SETTING Public healthcare facility providing primary healthcare services in Cape Town, South Africa. METHODS A quasi-experimental study design was used where participants chose to receive weight loss treatment with either the FBTG or usual care interventions. Both interventions involved a one-on-one medical and dietetic consultation, while FBTG participants had six additional group sessions. Follow-up assessments took place 6 months after baseline. Socio-demographic variables, blood pressure, smoking status, weight, height, waist circumference, dietary intake, physical activity and stage of change were measured. RESULTS Of the 193 obese adults enrolled, 96 selected the FBTG and 97 selected usual care. There were no significant differences at baseline between the two groups. Weight loss over 6 months was greater (p < 0.001) in FBTG (median [IQR] of -2.9 [-5.1; -0.3] kg) than usual care (-0.9 [-0.9; 0.6] kg) participants. At 6 months, more FBTG completers reached the weekly target of 150 min (p = 0.009), while both groups showed improvements in dietary intake. More FBTG (74%) than usual care (49%) participants were in the action stage of change by 6 months (p = 0.010). CONCLUSIONS The group-based intervention was more effective than usual care in weight reduction as well as improvements in physical activity and stage of change.
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Affiliation(s)
- Kathryn Manning
- Department of Surgery, University of Cape Town, Cape Town, South Africa
| | - Marjanne Senekal
- Department of Human Biology, University of Cape Town, Cape Town, South Africa
| | - Janetta Harbron
- Department of Human Biology, University of Cape Town, Cape Town, South Africa
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Muchiri JW, Gericke GJ, Rheeder P. Adapting a diabetes nutrition education programme for adults with type 2 diabetes from a primary to tertiary healthcare setting. SOUTH AFRICAN JOURNAL OF CLINICAL NUTRITION 2019. [DOI: 10.1080/16070658.2019.1632127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Jane W Muchiri
- Department of Human Nutrition, University of Pretoria, Pretoria, South Africa
| | - Gerda J Gericke
- Department of Human Nutrition, University of Pretoria, Pretoria, South Africa
| | - Paul Rheeder
- Department of Internal Medicine, University of Pretoria, Pretoria, South Africa
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Anand TN, Joseph LM, Geetha AV, Prabhakaran D, Jeemon P. Task sharing with non-physician health-care workers for management of blood pressure in low-income and middle-income countries: a systematic review and meta-analysis. Lancet Glob Health 2019; 7:e761-e771. [PMID: 31097278 PMCID: PMC6527522 DOI: 10.1016/s2214-109x(19)30077-4] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/22/2019] [Accepted: 02/08/2019] [Indexed: 01/24/2023]
Abstract
BACKGROUND Task sharing for the management of hypertension could be useful for understaffed and resource-poor health systems. We assessed the effectiveness of task-sharing interventions in improving blood pressure control among adults in low-income and middle-income countries. METHODS We searched the Cochrane Library, PubMed, Embase, and CINAHL for studies published up to December 2018. We included intervention studies involving a task-sharing strategy for management of blood pressure and other cardiovascular risk factors. We extracted data on population, interventions, blood pressure, and task sharing groups. We did a meta-analysis of randomised controlled trials. FINDINGS We found 3012 references, of which 54 met the inclusion criteria initially. Another nine studies were included following an updated search. There were 43 trials and 20 before-and-after studies. We included 31 studies in our meta-analysis. Systolic blood pressure was decreased through task sharing in different groups of health-care workers: the mean difference was -5·34 mm Hg (95% CI -9·00 to -1·67, I2=84%) for task sharing with nurses, -8·12 mm Hg (-10·23 to -6·01, I2=57%) for pharmacists, -4·67 mm Hg (-7·09 to -2·24, I2=0%) for dietitians, -3·67 mm Hg (-4·58 to -2·77, I2=24%) for community health workers, and -4·85 mm Hg (-6·12 to -3·57, I2=76%) overall. We found a similar reduction in diastolic blood pressure (overall mean difference -2·92 mm Hg, -3·75 to -2·09, I2=80%). The overall quality of evidence based on GRADE criteria was moderate for systolic blood pressure, but low for diastolic blood pressure. INTERPRETATION Task-sharing interventions are effective in reducing blood pressure. Long-term studies are needed to understand their potential impact on cardiovascular outcomes and mortality. FUNDING Wellcome Trust/DBT India Alliance.
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Affiliation(s)
- T N Anand
- Centre for Chronic Disease Control, New Delhi, India
| | | | - A V Geetha
- Public Health Foundation of India, New Delhi, India
| | - Dorairaj Prabhakaran
- Centre for Chronic Disease Control, New Delhi, India; Public Health Foundation of India, New Delhi, India; London School of Hygiene & Tropical Medicine, London, UK
| | - Panniyammakal Jeemon
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
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Abdollahi R, Najafi S, Razmpoosh E, Shoormasti RS, Haghighat S, Raji Lahiji M, Chamari M, Asgari M, Cheshmazar E, Zarrati M. The Effect of Dietary Intervention Along with Nutritional Education on Reducing the Gastrointestinal Side Effects Caused by Chemotherapy Among Women with Breast Cancer. Nutr Cancer 2019; 71:922-930. [PMID: 30945949 DOI: 10.1080/01635581.2019.1590608] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Gastrointestinal (GI) side effects caused by chemotherapy in women with breast cancer are common but poorly understood which might be controlled by nutritional intervention. Thus, the major aim of this study was to assess the effect of dietary intervention along with nutritional education on reducing these side effects. The present study is a single-center, single-controlled, and randomized trial. A total of 150 patients with breast cancer undergoing chemotherapy were randomly assigned into intervention group to receive dietary intervention and nutritional education (n = 73) or control group (n = 67) for 10 weeks, after their three sessions of chemotherapy. The primary endpoint was the GI symptoms after each session of chemotherapy that were measured by a designed questionnaire based on ROMIII questionnaire. The severity of GI side effects in the dietary intervention along with nutritional education was decreased significantly in the third session of chemotherapy compared to the first session, which include reflux disorder (P = 0.05), anorexia (P < 0.001), nausea (P = 0.002), constipation (P < 0.001), and diarrhea (P < 0.001). Moreover, significant reductions were observed in the severity of GI side effects in the intervention group compared to control group after the third session (P < 0.001). After adjusting the analysis for baseline values including age, job, education level, weight, and body mass index, significant changes were observed for GI side effects in the intervention group compared to the control group (P < 0.001). This study showed beneficial effects of individualized dietary intervention along with nutritional education on reducing diarrhea, constipation, vomiting, and nausea in women with breast cancer during the chemotherapy.
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Affiliation(s)
- Reihaneh Abdollahi
- a Faculty of Nutrition School of Public Health , Iran University of Medical Sciences , Tehran , Iran
| | - Safa Najafi
- b Breast Disease Department , Motamed Cancer Institute, ACER , Tehran , Iran
| | - Elham Razmpoosh
- c Nutrition and Food Security Research Center , Shahid Sadoughi University of Medical Sciences , Yazd , Iran.,d Department of Nutrition, Faculty of Health , Shahid Sadoughi University of Medical Sciences , Yazd , Iran
| | | | - Shahpar Haghighat
- f Department of Quality of Life, Breast Cancer Research Center, Motamed Cancer Institute, ACECR , Tehran , Iran
| | - Mahsa Raji Lahiji
- a Faculty of Nutrition School of Public Health , Iran University of Medical Sciences , Tehran , Iran
| | - Maryam Chamari
- g Department of Community Nutrition, School of Nutritional Sciences and Dietetics , Tehran University of Medical Science , Tehran , Iran
| | - Marziyeh Asgari
- h Food Security Research Center, School of Nutrition and Food Sciences , Isfahan University of Medical Sciences , Isfahan , Iran.,i Department of Community Nutrition, School of Nutrition and Food Sciences , Isfahan University of Medical Sciences , Isfahan , Iran
| | - Elhameh Cheshmazar
- a Faculty of Nutrition School of Public Health , Iran University of Medical Sciences , Tehran , Iran
| | - Mitra Zarrati
- a Faculty of Nutrition School of Public Health , Iran University of Medical Sciences , Tehran , Iran
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