The relation between (problematic) social media use and physical activity; a two-wave study

IntroductionThis study investigated the longitudinal effects of (problematic) social media use on physical activity levels among adolescents and the extent to which gender moderated this relationship.MethodsA total of 387 adolescents (Mage = 13.8 years; 54.5% female) participated in two annual measurements, using online self-report questionnaires.ResultsResults show a significant negative effect between problematic social media use at T1 and physical activity at T2, no significant effect of inte