Associations of exercise frequency, exercise session duration, and sleep duration with depressive symptoms among Chinese adolescents: a complex-survey cross-sectional analysis of CFPS2022
Background Exercise and sleep are modifiable behaviors related to adolescent mental health, but the relevance of specific exercise-frequency categories, participant session duration, and nonlinear sleep duration remains uncertain. Methods We analyzed 2,861 adolescents aged 10–19 years from the 2022 China Family Panel S...