The alberta diabetes and physical activity trial (ADAPT): A randomized trial evaluating theory-based interventions to increase physical activity in adults with type 2 diabetes

R. C. Plotnikoff, N. Karunamuni, K. S. Courneya, R. J. Sigal, J. A. Johnson, S. T. Johnson

    Research output: Contribution to journalJournal Articlepeer-review

    39 Citations (Scopus)

    Abstract

    Background: Physical activity (PA) is associated with reduced morbidity and mortality in individuals with type 2 diabetes mellitus (T2DM); however, most T2DM adults are insufficiently active. Purpose: To explore the effectiveness of two innovative/theoretically based behavioral-change strategies to increase PA and reduce hemoglobin A1c (A1c) in T2DM adults. Methods: Participants (n=287) were randomly assigned to a control group or an intervention group (i.e., print-based materials/pedometer group or print-based materials/pedometer plus telephone-counseling group). Changes in PA and A1c and other clinical measures were examined by Linear Mixed Model analyses over 18 months, along with moderating effects for gender and age. Results: PA and A1c levels did not significantly change in intervention groups. Step counts significantly increased in the print-based materials and pedometer plus telephone counseling group, for women. Conclusions: No significant effects were found for PA or A1c levels for T2DM adults. The multi-component strategy including telephone counseling may have potential for women.

    Original languageEnglish
    Pages (from-to)45-56
    Number of pages12
    JournalAnnals of Behavioral Medicine
    Volume45
    Issue number1
    DOIs
    Publication statusPublished - Feb. 2013

    Keywords

    • Diabetes
    • Intervention
    • Physical activity
    • Theory-based

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