The Associations of Youth Physical Activity and Screen Time with Fatness and Fitness: The 2012 NHANES National Youth Fitness Survey

摘要: The purpose of the study is to examine associations youth physical activity and screen time with weight status cardiorespiratory fitness in children adolescents, separately, utilizing a nationally representative sample. A total 1,113 participants (692 aged 6–11 yrs; 422 adolescents 12–15 yrs) from 2012 NHANES National Youth Fitness Survey. Participants completed questionnaires, their body mass index (adolescents only) were assessed. Adolescents additional questions estimate daily MET minutes. Children not meeting guideline had 1.69 times odds being overweight/obese compared those guideline, after adjusting for other control variables. Among adolescent, was significantly associated (odds ratio = 1.82, 95% confidence interval: 1.06–3.15), but association attenuated toward borderline significant controlling activity. Being physically active positively fitness, independent among adolescents. In joint analysis, who did meet nor guidelines 2.52 higher than met both guidelines. regardless guideline. Meeting also Screen stronger factor predicting only strongly