Cross-lagged analysis of social support, physical activity behavior, and family relationships among university students.

Objective: To explore the causal relationship between social support, physical activity behavior, and family relationships among university students.

Methods: Using the Social Support Rating Scale, the Physical Activity Behavior Self-Assessment Scale, and the Family Relationships Scale, a longitudinal follow-up survey was conducted on 412 college students in Sichuan Province at 2-month intervals in March 2024 (T1) and May 2024 (T2), to analyze the interaction mechanisms between college students' social support, physical activity behaviors, and family relationships through cross-lagging.

Results: (1) There are significant gender differences in social support, physical activity behavior, and family relationships among college students.