ArticleFrontiers in psychology2026
Recommended 24-h movement behavior patterns and equivalent impacts on mental health among Chinese adolescents: a compositional data analysis.
Article in Frontiers in psychology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To investigate an optimal 24-h movement behavior recommendation framework to promote mental health and evaluate its equivalent impacts on these psychological outcomes. Methods: A sample of 319 junior high school students (mean age: 13.73 years, 52.6% male) from Chengdu, China, were included in the study. Their 24-h movement behaviors, comprising light physical activity (LPA), moderate-to-vigorous physical activity (MVPA), sedentary behavior (SB), and sleep (SLP), were objectively measured using accelerometers combined with sleep logs. Psychological wellbeing and anxiety were assessed using the Adolescent Wellbeing Scale and the Chinese version of the Multidimensional Anxiety Scale for Children (MASC-C), respectively. Compositional linear regression, the optimal time-use zone analysis, time reallocation analysis, and equivalent impact curves were applied to systematically examine the relationships between 24-h movement behaviors and mental health outcome. Results: The overall 24-h movement behavior composition was significantly associated with both psychological wellbeing and anxiety scores. Relative to the remaining behaviors, LPA (β = 6.109, Conclusion: For junior high school students, the recommended daily durations of 24-h movement behaviors for overall mental health were316 min of LPA, 68 min of MVPA, and 545 min of SLP, while SB should be limited to no more than 550 min per day. Beyond these specific durations, comparable predicted mental health profiles may correspond to multiple behavioral time-reallocation patterns. In particular, relative reductions in SB showed the strongest magnitude of association with favorable mental health outcomes.
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