期刊
JOURNAL OF CONSULTING AND CLINICAL PSYCHOLOGY
卷 90, 期 10, 页码 747-759出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/ccp0000740
关键词
physical activity; self-determined motivation; African American women
资金
- National Heart, Lung, and Blood Institute at the National Institutes of Health [F32 HL138928-01A1]
A team-based model is a promising approach for promoting physical activity among African American women, regardless of motivation. Delivering programs within community-based settings, utilizing positive group competition and a mobile app to promote social connectedness are suggested as best practices for engaging AA women in future interventions.
What is the public health significance of this article? Across differences in motivation, a team-based model is a promising approach for promoting PA among AA women. Delivering programs within community-based setting, using positive group competition, and a mobile app to promote social connectedness are suggested best practices for engaging AA women in future interventions. Objective: Motivation is a barrier to physical activity (PA) among African American (AA) women, but past studies have implemented a one-size-fits-all approach and have not addressed differences in autonomous motivation. This pilot randomized controlled trial assessed the preliminary efficacy of Developing Real Incentives and Volition for Exercise, a community- and theory-based intervention, which evaluated whether a motivationally matched (vs. a nonmatched) intervention increases daily total PA. Method: In total, 68 AA women (50.72 +/- 13.66 years; 86.8% with obesity) were randomized to an 8-week challenge-focused program (targeted toward high autonomous motivation) or rewards-focused program (targeted toward low autonomous motivation). Randomization was stratified by baseline autonomous motivation. FitBits were used during the intervention to promote self-monitoring (both programs) and social connectedness (challenge program only). Results: Both programs retained >= 80% of participants. Process evaluation revealed high attendance, dose, and fidelity (both programs). However, contrary to expectations, across all motivational levels (low and high autonomous), the challenge-focused intervention resulted in a greater increase in total daily PA (primary outcome), with an average increase of 17.9 min in the challenge-focused intervention versus an average decrease of 8.55 min in the rewards-focused intervention. An exploratory follow-up analysis revealed that engagement with the FitBit mobile app predicted greater PA at postintervention in the challenge-focused program. Conclusions: A team-based approach targeting social connectedness, enjoyment of PA, and positive intragroup competition is a promising approach for promoting PA among AA women. These findings are used to guide a discussion on best practices for engaging AA women in future behavioral interventions.
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