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开发一种测量学龄前儿童户外活动的方法:集成加速度计,GPS和时间使用日记数据
Yeongho Hwang1, John C Spence1, Louise C Mâsse2
1Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, AB, Canada.
American journal of preventive medicine
|December 25, 2025
概括
幼儿园儿童参与大量的户外活动 (AOP),平均每天192.9分钟. 这种新的测量方法,整合了加速度计,GPS和时间使用日记,捕捉了对于健康发育至关重要的特定领域的体力活动 (PA).
科学领域:
- 儿科健康 儿科健康
- 测量身体活动的测量方法
- 儿童发展 儿童发展
背景情况:
- 目前的体力活动 (PA) 测量方法缺乏特定领域的背景,阻碍了对学龄前儿童在户外活动 (AOP) 的理解.
- AOP是3-5岁儿童健康发育的关键PA领域.
- 传统方法无法捕捉AOP的细微差别,影响研究和干预.
研究的目的:
- 开发和验证一种新的多源方法来测量学龄前儿童的AOP.
- 通过使用开发的方法,通过运动强度量化AOP.
- 检查AOP对每日体力活动总量的贡献.
主要方法:
- 这是一项涉及加拿大阿尔伯塔省92名学龄前儿童及其家长的横截面研究.
- 整合了加速度计,全球定位系统 (GPS) 和7天的时间使用日记数据.
- 操作定义的AOP作为非旅行,非组织的户外PA,根据强度分类使用加速度计数据.
主要成果:
- 儿童在AOP中平均每天花费192.9分钟.
- 这包括每天143.1分钟的光强度和每天49.8分钟的中等到强烈的AOP.
- 平均而言,AOP占每日体力活动总量的60.6%.
结论:
- 一种新的多源方法有效地测量了学龄前儿童的AOP,克服了单源方法的局限性.
- 这种方法增强了域特定的PA知识,超出了一般的PA指标.
- 未来的研究可以将这种方法应用于各种背景,以加深对儿童体育活动模式的理解.
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