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DOI: 10.1177/0193945903259350 Self-Efficacy Intervention Effect on Physical Activity in Older AdultsAngelo State University
Department of Family Care Nursing, The University of Texas Health Science Center at San Antonio School of Nursing This study determined the effectiveness of a self-efficacy intervention designed to improve selfefficacy and physical activity in older adults postcardiac event. An experimental three-group design tested the intervention, with treatment groups receiving 1 of 2 supportive telephone protocols (theory-based self-efficacy coaching or attention control). Outcome variables included selfefficacy expectations for physical activity (PA), self-reported PA, and PA performance (distance walked in 6 minutes). The self-efficacy intervention was effective in demonstrating greater PA performance when compared to the attention control intervention, and PA self-efficacy was significantly correlated with both measures of PA. There were significant main effects of time for PA self-efficacy and distance walked, and a significant interaction effect on the distance walked because of time and treatment condition. Although the self-efficacy intervention did not show a direct effect on level of PA self-efficacy as hypothesized, there was an indirect interaction effect on distance walked and physical activity confidence.
Key Words: physical activity theory-based intervention self-efficacy older adults
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