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Using three nationally representative high school samples, we estimate the effect of physical activity in general, and sports specifically, on in‐school student victimization (i.e., bullying), overall and by gender. Due to non‐random selection, we instrument physical activity in a two‐stage model using state‐level sports participation rates and physical education requirements. We find that physical...
Preadmission patterns of physical activity were examined in a sample of 537 juvenile detainees and compared with the 2001 Youth Risk Behavior Survey (YRBS), a national sample of high school students. Overall, detained youth reported similar participation in physical activity, surpassing the student sample in some areas.
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