The association of screen time, television in the bedroom, and obesity among school-aged youth: 2007 National Survey of Children's Health

J Sch Health. 2013 Aug;83(8):573-81. doi: 10.1111/josh.12067.

Abstract

Background: Among school-aged youth, we sought to identify characteristics associated with (1) exceeding screen time recommendations (ie, television/videos/video games more than 2 hours/weekday), and (2) exceeding screen time recommendations, the presence of a television in the bedroom, and obesity.

Methods: Using 2007 National Survey of Children's Health data, we used multivariable logistic regression to identify sociodemographic and behavioral characteristics associated with excessive screen time among 6 to 11- and 12 to 17-year-olds on a typical weekday. For 12 to 17-year-olds only, we used logistic regression to examine the odds of obesity using the same variables as above, with the addition of screen time.

Results: Overall, 20.8% of 6 to 11-year-olds and 26.1% of 12 to 17-year-olds had excessive screen time. For both age groups, having a bedroom TV was significantly associated with excessive screen time. For the older age group, the dual scenario of excessive screen time with a bedroom TV had the strongest association with obesity (OR = 2.5, 95% CI 1.9, 3.2).

Conclusions: Given the similar risk factors for excess screen time and having a TV in the bedroom, a public health challenge exists to design interventions to reduce screen time among school-aged youth.

Keywords: child and adolescent health; nutrition and diet; physical fitness and sport; public health.

MeSH terms

  • Adolescent
  • Age Factors
  • Child
  • Data Collection
  • Family Characteristics
  • Female
  • Humans
  • Male
  • Motor Activity
  • Obesity / epidemiology
  • Obesity / etiology*
  • Prevalence
  • Television / statistics & numerical data*
  • Time Factors
  • United States / epidemiology