Secular Trends in Physical Activity, Sedentary Behavior, and Weight Status Among South Korean Adolescents During 2017–2024
ABSTRACT Background We examined trends in physical activity (PA), sedentary behavior (SB), and weight status among Korean adolescents across the COVID‐19 period and assessed subgroup disparities. Methods We analyzed nationally representative data from the 2017 to 2024 Korea youth risk behavior web‐based survey (N = 417...