总体久坐时间和屏幕时间与睡眠结果的关联。
Associations of overall sedentary time and screen time with sleep outcomes.
作者信息
Vallance Jeff K, Buman Matthew P, Stevinson Clare, Lynch Brigid M
机构信息
Athabasca University, Faculty of Health Disciplines, Athabasca, Alberta, Canada.
Arizona State University, School of Nutrition and Health Promotion, Phoenix, AZ, USA.
出版信息
Am J Health Behav. 2015 Jan;39(1):62-7. doi: 10.5993/AJHB.39.1.7.
OBJECTIVE
To examine associations of accelerometer-assessed sedentary time and self-reported screen time with sleep outcomes.
METHODS
Cross-sectional study of 1674 adults from the 2005-2006 US National Health and Nutrition Examination Survey. Accelerometers were used to assess sedentary time. Screen time and sleep metrics were assessed via self-report.
RESULTS
Accelerometer-assessed sedentary time was not associated with sleep outcomes. Compared to participants with the least screen time (<2h/ day), participants with the most screen time (>6h/day) were more likely to report trouble falling asleep (OR = 2.78, 95% CI: 1.21, 6.40) and wake during the night (OR = 2.55, 95% CI: 1.17, 5.52).
CONCLUSIONS
With respect to sleep outcomes, context-specific sedentary behaviors may be more important than overall sedentary time.
目的
探讨通过加速度计评估的久坐时间以及自我报告的屏幕使用时间与睡眠结果之间的关联。
方法
对2005 - 2006年美国国家健康与营养检查调查中的1674名成年人进行横断面研究。使用加速度计评估久坐时间。通过自我报告评估屏幕使用时间和睡眠指标。
结果
通过加速度计评估的久坐时间与睡眠结果无关。与屏幕使用时间最少（<2小时/天）的参与者相比，屏幕使用时间最多（>6小时/天）的参与者更有可能报告入睡困难（比值比 = 2.78，95%置信区间：1.21，6.40）以及夜间醒来（比值比 = 2.55，95%置信区间：1.17，5.52）。
结论
就睡眠结果而言，特定情境下的久坐行为可能比总体久坐时间更重要。
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