Determinants of self efficacy for physical tasks in people with knee osteoarthritis

OBJECTIVE: Self efficacy, the confidence an individual has to perform a task, is an important determinant of physical performance in individuals with knee osteoarthritis (OA). The purpose of this study was to determine what personal, pathophysiologic, and impairment factors relate to self efficacy for physical tasks in community-dwelling adults with knee OA. METHODS: Fifty-four persons with radiographically confirmed knee OA (mean +/- SD age …