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Published on: August 22, 2014
Older women and exercise: explanatory concepts
Vicki S Conn1, Kathryn J Burks, Sherry H Pomeroy
1School of Nursing, University of Missouri-Columbia, Columbia, Missouri 65211, USA. conn@missouri.edu
Summary
Older women
Area of Science:
- Gerontology
- Behavioral Science
- Public Health
Background:
- Older women exhibit sedentary lifestyles, missing exercise benefits and increasing cardiovascular disease risk.
- Primary care interventions require focus on predictors of exercise behavior for effectiveness.
Purpose of the Study:
- To test an explanatory model of exercise behavior in older women.
- The model integrated social cognitive theory, transtheoretical model, and theory of planned behavior constructs.
- Key constructs included self-efficacy, outcome expectancy, perceived barriers, processes of change, health, and age.
Main Methods:
- Interview data collected from 203 physically capable, community-dwelling older women.
- Ordinary least squares regression analyzed direct and indirect effects within a path model.
Main Results:
- The final model retained all 13 hypothesized paths, explaining 46% of exercise behavior variance.
- Outcome expectancy showed the largest total effect; processes of change had the largest direct effect.
- Exercise self-efficacy and perceived barriers significantly contributed, while age and health had minor effects.
Conclusions:
- Future research and interventions should prioritize outcome expectancy, processes of change, self-efficacy, and perceived barriers.
- Primary care interventions aiming to boost exercise in older women must target these identified constructs.
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