Home environment relationships with children’s physical activity, sedentary time, and screen time by socioeconomic status
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Implication
Cross-sectional study reveals lower socioeconomic status links to increased bedroom media and screen time in children aged 6 to 11, highlighting targets for chronic disease prevention.
Key Points
- Determine whether home physical activity environments differ by socioeconomic status and identify mediators explaining the relationship between socioeconomic status, physical activity, and sedentary behavior.
- Cross-sectional analysis of 715 children aged 6 to 11 years enrolled in the Neighborhood Impact on Kids (NIK) Study.
- Assessed household socioeconomic status via parental education and income, home environments and screen time via parent surveys, and physical activity via accelerometers.
- Conducted mediation analyses to test whether specific home environment characteristics mediated socioeconomic disparities in children's behaviors.
- Children in lower-income households had higher bedroom media access (TV 52% vs. 14%, DVD player 39% vs. 14%, video games 21% vs. 9%) and lower access to portable play items (bikes 85% vs. 98%, jump ropes 69% vs. 83%).
- Daily screen time was 2.4 hours/day in lower-SES households compared to 1.7 hours/day in higher-SES households, and lower-SES parents watched TV/DVDs with children more frequently (3.1 vs. 2.5 days/week).
- Total daily and home-based moderate-to-vigorous physical activity and sedentary time did not differ by socioeconomic status, whereas screen time with parents significantly mediated the socioeconomic status–screen time relationship.
Cite This Study
Tandon et al. (2012) studied this question.