Sociodemographic and behavioral predictors of bed time and wake time among US adolescents aged 15 to 17 years.

Sociodemographic and behavioral predictors of bed time and wake time among US adolescents aged 15 to 17 years.
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DOI:
10.1016/j.jpeds.2008.08.035
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发表时间:
2009-03
影响因子:
5.1
通讯作者:
Lauderdale, Diane S.
Lauderdale, Diane S.
中科院分区:
医学2区
文献类型:
--
作者:
Knutson, Kristen L.;Lauderdale, Diane S.

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使用时间日记检查美国 15-17 岁青少年的就寝时间和起床时间,以确定近年来青少年睡眠是否发生变化以及哪些因素决定就寝时间和起床时间。使用两个国家概率样本进行时间日记分析:1981 年时间使用纵向小组研究 (n=130) 和 2003-2006 年美国时间使用调查 (n=2978)。上课日平均卧床时间约为 8 小时,非上课日则多出 1 至 2 小时。 1981 年和 2003-2006 年的就寝时间和起床时间相似。社会人口因素和白天活动,特别是计算机的使用和社交活动,预测了就寝时间。在上学期间,上课时间是起床时间的最强预测因素。学校开学前每提早一小时,起床时间就会提早约 25 分钟。青少年上学期间在床上的时间少于建议的 9 小时。然而,没有证据表明这是最近就寝时间和起床时间的变化。尽管影响就寝时间的因素有很多,但上学时间是学校起床时间的最强决定因素。电脑使用的增加和上学时间的提前可能会导致青少年睡眠不足。
To examine bed times and wake times in US adolescents aged 15–17 years using time diaries to determine whether adolescent sleep has changed in recent years and what factors determine bed times and wake times. Time diary analysis using two national probability samples: 1981 Time Use Longitudinal Panel Study (n=130) and 2003–2006 American Time Use Survey (n=2978). Average time in bed on school days was about 8 hours and was 1–2 hours longer on non-school days. Bed times and wake times were similar in 1981 and 2003–2006. Sociodemographic factors and daytime activities, specifically computer use and social activities, predicted bed time. On school days, school start time was the strongest predictor of wake time. Every hour earlier that school started, wake time was about 25 minutes earlier. Adolescents spent less than the recommended 9 hours in bed on school days. There is no evidence however that this is a recent change in bed times and wake times. Although many factors influence bed time, school start time is the strongest determinant of wake times on school days. Increased computer use and earlier school days may be contributing to insufficient sleep among adolescents.
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