Dataset Information

Effectiveness of Social Cognitive Theory-Based Interventions for Glycemic Control in Adults With Type 2 Diabetes Mellitus: Protocol for a Systematic Review and Meta-Analysis.

ABSTRACT: BACKGROUND:For those living with type 2 diabetes mellitus (T2DM), failing to engage in self-management behaviors leads to poor glycemic control. Social cognitive theory (SCT) has been shown to improve health behaviors by altering cognitive processes and increasing an individual's belief in their ability to accomplish a task. OBJECTIVE:We aim to present a protocol for a systematic review and meta-analysis to systematically identify, evaluate, and analyze the effect of SCT-based interventions to improve glycemic control in adults with T2DM. METHODS:This protocol follows the 2009 Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. Data sources will include PubMed, Cumulative Index to Nursing and Allied Health Literature (CINAHL), PsychINFO, Cochrane Library, and Web of Science, and data will be reviewed with the use of customized text mining software. Studies examining SCT-based behavioral interventions for adults diagnosed with T2DM in randomized controlled trials located in the outpatient setting will be included. Intervention effectiveness will be compared with routine care. Screening and data collection will be performed in multiple stages with three reviewers as follows: (1) an independent review of titles/abstracts, (2) a full review, and (3) data collection with alternating teams of two reviewers for disputes to be resolved by a third reviewer. Study quality and risk of bias will be assessed by three reviewers using the Cochrane risk of bias tool. Standardized mean differences will be used to describe the intervention effect sizes with regard to self-efficacy and diabetes knowledge. The raw mean difference of HbA1c will be provided in a random effects model and presented in a forest plot. The expected limitations of this study are incomplete data, the need to contact authors, and analysis of various types of glycemic control measures accurately within the same data set. RESULTS:This protocol was granted institutional review board exemption on October 7, 2019. PROSPERO registration (ID: CRD42020147105) was received on April 28, 2020. The review began on April 29, 2020. The results of the review will be disseminated through conference presentations, peer-reviewed journals, and meetings. CONCLUSIONS:This systematic review will appraise the effectiveness of SCT-based interventions for adults diagnosed with T2DM and provide the most effective interventions for improving health behaviors in these patients. TRIAL REGISTRATION:PROSPERO CRD42020147105; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=147105. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID):PRR1-10.2196/17148.

SUBMITTER: Smith Y

PROVIDER: S-EPMC7495254 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Effectiveness of Social Cognitive Theory-Based Interventions for Glycemic Control in Adults With Type 2 Diabetes Mellitus: Protocol for a Systematic Review and Meta-Analysis.

Smith Yvonne Y Garcia-Torres Rosalia R Coughlin Steven S SS Ling Jiying J Marin Terri T Su Shaoyong S Young Lufei L

JMIR research protocols 20200902 9

<h4>Background</h4>For those living with type 2 diabetes mellitus (T2DM), failing to engage in self-management behaviors leads to poor glycemic control. Social cognitive theory (SCT) has been shown to improve health behaviors by altering cognitive processes and increasing an individual's belief in their ability to accomplish a task.<h4>Objective</h4>We aim to present a protocol for a systematic review and meta-analysis to systematically identify, evaluate, and analyze the effect of SCT-based int ...[more]

PMID: 32673210

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Project description:ImportanceIn older adults with multiple serious comorbidities and functional limitations, the harms of intensive glycemic control likely exceed the benefits.ObjectivesTo examine glycemic control levels among older adults with diabetes mellitus by health status and to estimate the prevalence of potential overtreatment of diabetes.Design, setting, and participantsCross-sectional analysis of the data on 1288 older adults (≥65 years) with diabetes from the National Health and Nutrition Examination Survey (NHANES) from 2001 through 2010 who had a hemoglobin A1c (HbA1c) measurement. All analyses incorporated complex survey design to produce nationally representative estimates.ExposuresHealth status categories: very complex/poor, based on difficulty with 2 or more activities of daily living or dialysis dependence; complex/intermediate, based on difficulty with 2 or more instrumental activities of daily living or presence of 3 or more chronic conditions; and relatively healthy if none of these were present.Main outcomes and measuresTight glycemic control (HbA1c level, <7%) and use of diabetes medications likely to result in hypoglycemia (insulin or sulfonylureas).ResultsOf 1288 older adults with diabetes, 50.7% (95% CI, 46.6%-54.8%), representing 3.1 million (95% CI, 2.7-3.5), were relatively healthy, 28.1% (95% CI, 24.8%-31.5%), representing 1.7 million (95% CI, 1.4-2.0), had complex/intermediate health, and 21.2% (95% CI, 18.3%-24.4%), representing 1.3 million (95% CI, 1.1-1.5), had very complex/poor health. Overall, 61.5% (95% CI, 57.5%-65.3%), representing 3.8 million (95% CI, 3.4-4.2), had an HbA1c level of less than 7%; this proportion did not differ across health status categories (62.8% [95% CI, 56.9%-68.3%]) were relatively healthy, 63.0% (95% CI, 57.0%-68.6%) had complex/intermediate health, and 56.4% (95% CI, 49.7%-62.9%) had very complex/poor health (P = .26). Of the older adults with an HbA1c level of less than 7%, 54.9% (95% CI, 50.4%-59.3%) were treated with either insulin or sulfonylureas; this proportion was similar across health status categories (50.8% [95% CI, 45.1%-56.5%] were relatively healthy, 58.7% [95% CI, 49.4%-67.5%] had complex/intermediate health, and 60.0% [95% CI, 51.4%-68.1%] had very complex/poor health; P = .14). During the 10 study years, there were no significant changes in the proportion of older adults with an HbA1c level of less than 7% (P = .34), the proportion with an HbA1c level of less than 7% who had complex/intermediate or very complex/poor health (P = .27), or the proportion with an HbA1c level of less than 7% who were treated with insulin or sulfonylureas despite having complex/intermediate or very complex/poor health (P = .65).Conclusions and relevanceAlthough the harms of intensive treatment likely exceed the benefits for older patients with complex/intermediate or very complex/poor health status, most of these adults reached tight glycemic targets between 2001 and 2010. Most of them were treated with insulin or sulfonylureas, which may lead to severe hypoglycemia. Our findings suggest that a substantial proportion of older adults with diabetes were potentially overtreated.

Dataset Information

Effectiveness of Social Cognitive Theory-Based Interventions for Glycemic Control in Adults With Type 2 Diabetes Mellitus: Protocol for a Systematic Review and Meta-Analysis.

Publications

Effectiveness of Social Cognitive Theory-Based Interventions for Glycemic Control in Adults With Type 2 Diabetes Mellitus: Protocol for a Systematic Review and Meta-Analysis.

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