To investigate how screen time and physical activity relate to body mass index (BMI) in early adolescents.
Prospective cohort study design
Observation of early adolescents' screen time and physical activity levels
Assessment of body mass index (BMI)
Higher physical activity is associated with lower BMI
Increased screen time correlates with higher BMI
Abstract
These findings suggest that obesity prevention efforts should consider both greater physical activity and less recreational screen use as behavioral interventions.