与ActiGraph GT9X链接相比,ActiGraph LEAP的同时有效性用于测量身体活动
Jethro Raphael M Suarez1,2, Joon-Hyuk Park1,3,4, Kworweinski Lafontant2,5
1Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL, USA.
Journal for the measurement of physical behaviour
|February 20, 2026
概括
新的ActiGraph LEAP可穿戴加速度计与GT9X Link在测量体力活动 (PA) 和静坐时间方面表现出极好的一致性. 这证实了LEAP作为PA监测的可靠继任者.
科学领域:
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
- 身体活动研究 身体活动研究
背景情况:
- ActiGraph GT9X Link是一个广泛用于测量体力活动 (PA) 的加速度计,不再生产.
- 在2023年发布的ActiGraph LEAP是其继承者,但其性能验证正在等待.
研究的目的:
- 为了确定ActiGraph LEAP设备的并发有效性.
- 为了比较来自ActiGraph LEAP的PA测量与已建立的GT9X链接.
主要方法:
- 26名年轻人同时使用ActiGraph LEAP和GT9X Link设备7天.
- 使用监测独立运动总结单位计算了静坐时间,轻度PA和中度至强度PA.
- 使用类内相关系数,平均绝对百分比误差,等价性测试和布兰德-阿尔特曼图表来评估协议.
主要成果:
- 在两种设备之间比较了149个有效佩戴日的数据.
- 在所有 PA 级别中观察到非常好的协议 (ICC = .94-.99,MAPE = 3.86%-13.86%).
- 布兰德-阿尔特曼图表表明,超过90%的数据在95%的协议范围内.
结论:
- 在测量静坐时间和身体活动方面,ActiGraph LEAP的性能与GT9X Link的性能相当.
- LEAP被认可为PA监控的可靠设备,取代了GT9X Link.
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