School-based study showed a correlation between physical activity and smartphone and tablet use by students aged eight, 11 and 14.
Anders RaustorpNellie SpennerAgnes WilkensonAndreas FröbergPublished in: Acta paediatrica (Oslo, Norway : 1992) (2019)
There was a moderately inverse correlation between steps per day and smartphone and tablet usage. When stratified by both sex and age groups, this correlation was only observed in 14-year-old girls. The results may have implications for future PA interventions that target adolescent girls.