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Regular physical activity in older adults can facilitate healthy aging, improve functional capacity, and prevent disease. However, factors associated with physical inactivity in older populations are poorly understood. This study attempts to identify social–cognitive and perceived environmental influences associated with physical activity participation in older populations.

In a randomly selected sample of 449 Australian adults age 60 and older, we assessed self-reported physical activity and a range of social–cognitive and perceived environmental factors. Respondents were classified as sufficiently active and inactive based on energy expenditure estimates (kcal/week) derived from self-reported physical activity. Two logistic regression models, with and without self-efficacy included, were conducted to identify modifiable independent predictors of physical activity.

Significantly more males …