Methods: Using the 2009 National Youth Risk Behavior Survey (YRBS) data (N=15, 249), 10 separate logistic regression models were employed using various examples of physical and sedentary activities.
Results: Approximately 20.2% of participants reported NMPDU. Respondents not active for 60+ minutes, 5+ days a week were significantly more likely to report NMPDU (OR = 1.135; p = .003). The same was observed for those who did not: (1) attend PE class 1+ days in an average week (OR = 1.231; p < .000); (2) play on at least one sports team in past 12 months (OR = 1.273; p < .000); (3) exercise in PE 21+ minutes (OR = 1.268; p < .000); and (4) participate in PE daily (OR = 1.281; p < .000). Participants who played video games less than three hours a day reported significantly less NMPDU (OR = .897; p = .019). Variables not associated with NMPDU included exercising to lose weight, watching TV 3+ hours a day, engaging in 20 minutes of vigorous and/or 30 minutes of moderate exercise in the past seven days.
Conclusion: Exercise may exert a protective affect against NMPDU in adolescents. Implications for coordinated school health programs and interventions will be discussed.
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