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| Social cognitive changes following weight loss and physical activity interventions in obese, older adults in poor cardiovascular health |
| Brawley L, Rejeski WJ, Gaukstern JE, Ambrosius WT |
| Annals of Behavioral Medicine 2012 Dec;44(3):353-364 |
| clinical trial |
| 6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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BACKGROUND: The study objectives were to determine (a) the effects of group-mediated cognitive-behavioral interventions on change in performance self-efficacy, satisfaction with function, and with appearance among older, overweight/obese adults in poor cardiovascular health and (b) whether self-efficacy mediated change in 400-m walk time. METHODS: This translational, randomized controlled trial of physical activity and weight loss was conducted within community Cooperative Extension Centers. Participants were randomized to three intervention arms: physical activity, weight loss and physical activity, or a successful aging education control. RESULTS: Across 18 months, the weight loss and physical activity intervention demonstrated greater improvements in self-efficacy, satisfaction with function, and appearance versus other trial arms. Physical activity intervention participants also experienced significant improvements in self-efficacy and satisfaction with function versus those in successful aging. Self-efficacy mediated 400-m walk time at 18 months. CONCLUSIONS: Both group-mediated cognitive-behavioral interventions yielded desirable improvements in social cognitions and preserved mobility improvements post-intervention.
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