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Screen time (including TV viewing/computer use) may be adversely associated with metabolic and mental health in children.

To describe the prevalence and sociodemographic correlates of screen time in an international sample of children aged 4–17 years.

Data from the International Children’s Accelerometry Database were collected between 1997–2009 and analyzed in 2013. Participants were 11,434 children (48.9% boys; mean [SD] age at first assessment, 11.7 [3.2] years). Exposures were sex, age, weight status, maternal education, and ethnicity. The outcome was self- or proxy-reported screen time <2 or >2 hours/day. Analyses were conducted initially at study level and then combined using random-effects meta-analysis.

Within each contributing study, at least two thirds of participants exceeded 2 hours/day of screen time. In meta-analytic models, overweight or obese …