青少年智能手机使用,睡眠和体力活动:青少年大脑认知发展 (ABCD) 研究中基于传感器的测量之间的日常关联
Jordan D Alexander1, Tam T Nguyen-Louie2, Suhaani Gupta2
1University of Minnesota, Department of Psychology, Minneapolis MN, USA.
Psychiatry research
|May 4, 2025
概括
青少年使用智能手机,特别是深夜使用,与体力活动减少和睡眠不足有关. 这些发现强调了屏幕时间对青少年健康的影响.
科学领域:
- 青少年健康 青少年健康
- 行为科学 行为科学
- 睡眠科学 睡眠科学
背景情况:
- 青少年使用智能手机是越来越严重的公共卫生问题.
- 以前的研究严重依赖于自我报告,限制了准确性.
- 需要客观的措施来了解智能手机使用对健康的影响.
研究的目的:
- 为了研究青少年智能手机使用,睡眠和身体活动之间的关系.
- 利用被动传感器数据进行更准确的测量.
- 区分智能手机使用对人内部和人间的影响.
主要方法:
- 利用了青少年大脑认知发展 (ABCD) 研究的791名参与者的数据.
- 通过无力评估研究系统 (EARS) 收集智能手机应用程序和键盘使用数据.
- 使用Fitbit设备在三周内收集睡眠和体育活动数据.
主要成果:
- 白天/晚上使用智能手机与运动减少,久坐时间增加和步骤减少相关.
- 晚上晚些时候的使用显示了与增加的久坐时间和减少步骤的温和联系.
- 夜晚使用显著预测睡眠减少,睡眠/觉醒延迟,久坐时间增加,步骤减少.
- 个人内部分析证实了这些日常层面的关系.
- 睡眠开始后使用智能手机影响睡眠;睡眠开始前3-12小时使用智能手机影响步数.
结论:
- 被动传感器数据显示,青少年使用智能手机,身体活动和睡眠之间存在显著的关联.
- 智能手机使用的影响因一天中的时间而异,并且在个体内显著.
- 建议进行实验研究以确定因果关系.
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