OBJECTIVE: The purpose of this systematic review is to study the impact of self-efficacy-improving strategies on physical activityrelated glycemic control of diabetes. METHOD: This systematic review was conducted based on the PRISMA statement. ("Diabetes" OR "glycemic control") AND ("exercise" OR "physical activity") AND "self-efficacy" were searched as keywords in databases including PubMed, Google Scholar, Science Direct, Embase, Cochrane, Web of Science, and Scopus between 2000 and 2019 for relesvant articles. RESULTS: Two reviewers independently screened articles (n = 400), and those meeting eligibility criteria (n = 47) were selected for data extraction using a predesigned Excel form and critical appraisal using the "Tool for Quantitative Studies." Different strategies and health promotion programs such as individual or group face-to-face education and multimedia (video conference, video, phone calls, short message service, and Internet-based education) were used in diabetes self-management education programs. The results of different interventions including motivational interviewing (7 studies), exercise (5 studies), multidimensional self-management programs (25 studies), and electronic education (11 studies) had been evaluated. Interventions with more social support, longer duration, combined educative theory-based, and individual education had better outcomes both in postintervention and in follow-up evaluation. CONCLUSION: A combination of traditional and virtual long-lasting self-care promoting (motivating) programs is needed to improve patients' self-efficacy for healthy habits like active lifestyle.

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