期刊
PEDIATRICS
卷 133, 期 5, 页码 E1163-E1171出版社
AMER ACAD PEDIATRICS
DOI: 10.1542/peds.2013-3998
关键词
television; sleep duration; sleep hygiene; childhood
类别
资金
- NCI NIH HHS [NCI 1U54CA15562601] Funding Source: Medline
- NICHD NIH HHS [R37 HD034568, R37 HD 034568, R01 HD034568] Funding Source: Medline
- NIDDK NIH HHS [T32 DK007703] Funding Source: Medline
BACKGROUND:Television and insufficient sleep are associated with poor mental and physical health. This study assessed associations of TV viewing and bedroom TV with sleep duration from infancy to midchildhood.METHOD:We studied 1864 children in Project Viva. Parents reported children's average daily TV viewing and sleep (at 6 months and annually from 1-7 years) and the presence of a bedroom TV (annually 4-7 years). We used mixed effects models to assess associations of TV exposures with contemporaneous sleep, adjusting for child age, gender, race/ethnicity, maternal education, and income.RESULTS:Six hundred forty-three children (35%) were racial/ethnic minorities; 37% of households had incomes $70000. From 6 months to 7 years, mean (SD) sleep duration decreased from 12.2 (2.0) hours to 9.8 (0.9) hours per day; TV viewing increased from 0.9 (1.2) hours to 1.6 (1.0) hours per day. At 4 years, 17% had a bedroom TV, rising to 23% at 7 years. Each 1 hour per day increase in lifetime TV viewing was associated with 7 minutes per day (95% confidence interval [CI]: 4 to 10) shorter sleep. The association of bedroom TV varied by race/ethnicity; bedroom TV was associated with 31 minutes per day shorter sleep (95% CI: 16 to 45) among racial/ethnic minority children, but not among white, non-Hispanic children (8 fewer minutes per day [95% CI: -19 to 2]).CONCLUSIONS:More TV viewing, and, among racial/ethnic minority children, the presence of a bedroom TV, were associated with shorter sleep from infancy to midchildhood.
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