Comparing prediction power of exercise intention and behavior based on self-efficacy and theory of planned behavior

Objective (s): To compare prediction power of exercise intention and behavior based on self-efficacy and theory of planned behavior. This cross-sectional study was conducted in the kahrizak Nursing home in Tehran. Participants were 60 elderly aged 60 to 85 years old. A questionnaire based on theory of planned behavior and self-efficacy was used to collect data. The data were analyzed performing regression analysis. Self-efficacy predicted 35.6% of the Intention to exercise while the theory of planned behavior predicted 32.8%. Self-efficacy predicted 21.3% of the exercise behavior whereas the theory of planned behavior predicted 15.7%. The findings suggest that self-efficacy could predict intentions and bahviors bttter.