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Promoting physical activity through a psychological group intervention in cardiac rehabilitation: a randomized controlled trial
Wurst R, Kinkel S, Lin J, Goehner W, Fuchs R
Journal of Behavioral Medicine 2019 Dec;42(6):1104-1116
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

We examined the long-term effectiveness of a group-based psychological intervention ("MoVo-LISA") to promote physical activity in patients with coronary heart disease. In this randomized controlled trial, N = 202 inactive patients with coronary heart disease were assigned to the control group (n = 102; treatment as usual) or the intervention group (n = 100; treatment as usual plus MoVo-LISA). Physical activity was assessed at baseline, 6 weeks (post-treatment), 6 months, and 12 months after discharge. ANCOVA for repeated measures revealed a significant interaction effect (p < 0.001; etap2 0.214) indicating a large effect (d = 1.03) of the intervention on behavior change post-treatment. At 12-month follow-up, the level of physical activity in the intervention group was still 94 min per week higher than in the control group (p < 0.001; d = 0.57). Results of this RCT indicate that the MoVo-LISA intervention substantially improves the level of physical activity among initially inactive patients with coronary heart disease up to 1 year after the intervention.

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