ArticleFrontiers in psychology2026
Time-lagged effects of social support on exercise adherence among Korean college students: serial mediation of self-efficacy, athletic identity, and intrinsic motivation.
Article in Frontiers in psychology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
Introduction: Physical activity levels decline substantially during the college years, yet the psychological mechanisms linking social support to sustained exercise adherence remain insufficiently understood through longitudinal research. Grounded in Social Cognitive Theory, this study examined the time-lagged mediating mechanisms through which social support influences exercise adherence among Korean college students. Methods: A three-wave longitudinal design was employed with 950 Korean college students (47.1% male; Results: After controlling for baseline exercise adherence, the total effect of social support on T3 exercise adherence was small (β = 0.06, Discussion: These findings provide time-lagged evidence that social support is associated with exercise adherence primarily through enhancing self-efficacy, which influences adherence both directly and through intrinsic motivation. Athletic identity contributed indirectly via intrinsic motivation rather than directly predicting adherence. The results support Social Cognitive Theory's emphasis on self-efficacy as a key mediator linking environmental factors to health behaviors, and suggest that interventions combining social support enhancement with self-efficacy building may be most effective for promoting sustained physical activity among college students.
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