Abstract
The aim of this study was to validate the Questionnaire of Planned Behavior on Diabetes - Physical Activity, in a sample of type 2 diabetes patients. This questionnaire assesses variables of physical activity based on Planned Behavior Theory: intentions, attitudes, subjective norms, perceived behavioral control, action planning and coping planning. The instruments administered were: Revised Summary of Diabetes Self- care Activities (Investigation version of Pereira, Costa, & Castro, 2008) and Trust in Physician Scale (Portuguese version of Pereira, Pedras, & Machado, 2013). In this study participated 120 patients (39,2% women and 60,8% men) diagnosed with T2DM, whose average age was 59,7. Factor analysis found five factors, that explained 76,15% of the variance. Cronbach alphas were satisfactory and the instrument showed appropriate construct and discriminant validity. Key- words - Planned Behavior Questionnaire; Physical Activity; Type 2 Diabetes; Adherence; Trust in Physician.
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