Active: physically active at either survey or both surveys; Inactive: physically inactive at both surveys. dpy:difference per year; #Adjusted for district, age in 2008, height in 2006, change in heigh
BackgroundAccelerometers are widely adopted for physical activity (PA) measurement. Accelerometry data require pre-processing before entering formal statistical analyses. Many pre-processing criteria
Despite known links between motivation and physical activity, latent profiles of motivation among Chinese adolescents remain unexamined. Using the person-centered approach, this paper explores the rel
