Associations of 24-hour movement behavior composition with depressive symptoms and problematic internet use in Chinese adolescents: A cohort study.
OBJECTIVES Although 24-hour movement behaviors (24-HMB), including sleep, moderate-to-vigorous physical activity (MVPA), and screen time, are associated with adolescent mental health, their compositional nature remains insufficiently examined. We investigated the associations of 24-HMB composition with depressive sympt...