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在美国,身体活动和久坐行为的模式和临床结果在2000万天的可穿戴式监测中. 大人的成年人

Arash A Nargesi, Valentina D'Souza, Tal Shnitzer

medRxiv : the preprint server for health sciences

|February 23, 2026

概括

较高的每日步数和较少的久坐时间与美国成年人的疾病风险降低有关. 可穿戴数据揭示了身体活动的模式和值,以改善健康结果.

科学领域:

公共卫生公共卫生
可穿戴技术可穿戴技术
流行病学流行病学

背景情况:

身体活动对健康至关重要,但指导方针往往忽略了每天的步数和久坐时间.
可穿戴设备可以精确测量这些指标,从而更好地了解它们对健康的影响.

研究的目的:

分析美国成年人的步数和久坐行为的时间,地理和社会人口统计模式.
评估这些行为与事件疾病之间的关联.
为了确定疾病风险降低的最佳活动值.

主要方法:

利用了我们所有人研究 (2018-2023) 中的50,300名参与者的分钟级可穿戴数据.
在各种尺度和地理位置计算的步数和静止时间.
进行了全现象关联 (PheWAS) 和剂量反应分析,以将行为与疾病发病率联系起来.

主要成果:

步数在中午和周末/春天达到峰值;静坐时间在冬季/下午最高.
较高的步数和较低的静坐时间与较低的肥胖风险,心脏代谢问题和情绪障碍有关.
心血管方面的益处停滞在每天9000-10,000步左右,每天静坐时间<600-640分钟.

结论:

从可穿戴设备获得的身体活动和久坐数据揭示了显著的模式和疾病关联.
研究结果支持使用高分辨率可穿戴数据来个性化体育活动和久坐行为指南.

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