Evolving disparities in exercise-related physical activity among Chinese children and adolescents: evidence from a national repeated cross-sectional analysis, 2014–2022
Global studies show low levels of physical activity (PA) among children and adolescents, yet evidence on long-term national trends and subgroup disparities in China is limited. This study examined exercise-related PA trends among Chinese children and adolescents from 2014 to 2022 and explored temporal changes in su...