Physical activity is a complex behavior and its determinants are different in various groups. Due to the chronic nature of type 2 diabetes, treatment Adherence requires lifestyle changes that are difficult for many people to adopt and maintain it. This study aimed to determine predictive structure of social cognitive theory on physical active among women with type 2 diabetes. Thisstudy was cross sectional -correlative that were randomly selected 300 people with type 2 diabetes by multi-stage cluster sampling method. Tools for data collection, a questionnaire was consistent with social cognitive theory constructs and IPAQ that had been used in the scientific sources and texts. Reliability and validity was determined for use in this study in a pilot study. Data were analyzed by using analysis of variance and regression testes. The results showed the structure of social cognitive theory, Self-regulation (P=0.001), Social Support (P=0.001), and self-efficacy (P=0.005), had the significant effecton the Physical activity among theresearch sample. According to the results, the self-regulation, self-efficacy and social support were important influences on the physical activity and they must be considerate in designing and implementing of educational interventions.

Keywords: Diabetes mellitus, Physical activity, Social Cognitive Theory, Woman

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