Intervention to reduce recreational screen-time in adolescents: Outcomes and mediators from the 'Switch-Off 4 Healthy Minds' (S4HM) cluster randomized controlled trial

Mark J. Babic,Jordan J. Smith,Phillip J. Morgan,Chris Lonsdale,Ronald C. Plotnikoff,Narelle Eather,Geoff Skinner,Amanda Baker,Emma Pollock,David R. Lubans

Preventive Medicine（2017）

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摘要

•Reductions in screen-time were not statistically significant.•No intervention effects were found for mental health, physical activity or BMI.•Intervention effect was partially mediated by increases in autonomous motivation.

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关键词

Screen,Sedentary behavior,School,Physical activity

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