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Meta-analysis of Health Behavior Change Interventions in Type 1 Diabetes

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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Methods : Multiple literature-searching strategies identified published and unpublished studies reporting glycated hemoglobin outcomes.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.

Keywords: diabetes; exercise; health behaviors; hemoglobin A, glycosylated; meta-analysis

Document Type: Research Article


Affiliations: 1 Professor & Associate Dean, School of Nursing, University of Missouri, Columbia, MO.

Publication date: May 1, 2008

More about this publication?
  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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