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Meta-Analysis
. 2008 May-Jun;32(3):315-29.
doi: 10.5555/ajhb.2008.32.3.315.

Meta-analysis of health behavior change interventions in type 1 diabetes

Vicki S Conn  1 , Adam R Hafdahl, Joseph W Lemaster, Todd M Ruppar, Jane E Cochran, Paul J Nielsen
Affiliations
Meta-Analysis

Meta-analysis of health behavior change interventions in type 1 diabetes

Vicki S Conn et al. Am J Health Behav. 2008 May-Jun.

Abstract

Objectives: To meta-analyze research testing interventions to improve health behaviors including exercise among adults with type 1 diabetes.

Methods: Multiple literature-searching strategies identified published and unpublished studies reporting glycated hemoglobin outcomes. Fixed- and random-effects meta-analyses included moderator effects.

Results: Data were synthesized across 1435 subjects. The overall effect size was 0.26. This translates into a reduction of 0.33 in mean HbA1c levels between treatment (8.47%) and control (8.80%) groups. Effect sizes were larger with more females, lower body mass index, higher baseline HbA1c, and interventions targeting multiple behaviors.

Conclusions: Behavior change interventions improve metabolic control in type 1 diabetes.

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