一个方法标准的基础,用于处理部加速度计数据,以测量中年人的体力活动强度
Daniel Arvidsson1, J Fridolfsson1, E Ekblom-Bak2
1Center for Health and Performance, Department of Food and Nutrition, and Sport Science, Faculty of Education, University of Gothenburg, Gothenburg, Sweden.
Scandinavian journal of medicine & science in sports
|November 20, 2023
概括
标准化加速度计数据处理对于准确的身体活动测量至关重要. 不同的处理设置显著影响结果,影响中年成人身体活动和心脏代谢健康之间的关联.
科学领域:
- 生物医学工程 生物医学工程
- 公共卫生 公共卫生
- 运动科学 运动科学
背景情况:
- 缺乏标准化方法来处理加速度计数据,这阻碍了准确的体力活动测量和可比性.
- 这种变异性会影响数据质量和与健康结果相关联的可靠性.
- 中年人群是了解长期心脏代谢健康的关键人口.
研究的目的:
- 调查不同组合的加速度计数据处理设置如何影响身体活动的测量.
- 检查这些处理变异对身体活动和心脏代谢健康指标之间的关联的影响.
- 为建立部加速度计数据处理的标准方法提供基础.
主要方法:
- 利用了来自瑞典心肺生物图像研究 (SCAPIS) 的4391名中年 (50-64岁) 参与者的部加速仪数据.
- 包括用于加速度计校准的实验室数据,以确保可比测量体力活动强度和在不同强度类别中花费的时间.
- 分析了各种处理组件:硬件重新校准,频率过,加速度计轴,时代长度,磨损时间标准和时间组成表达式,使用部分最小和普通最小回归.
主要成果:
- 频率过器设置,其次是时代长度和加速度计轴数,最显著地影响了体力活动强度测量和时间分布.
- 磨损时间标准和加速度计数据重新校准对这些指标的影响较小.
- 频率过器和时代长度设置始终影响了与心脏代谢健康指标 (有氧健身,BMI,胆固醇比率,葡萄糖,血压) 的关联,根据处理组合,解释的差异范围显著.
结论:
- 由于不同加速度计数据处理设置,体力活动强度指标及其与心脏代谢健康结果的关联存在显著差异.
- 这些发现强调了需要标准化处理协议,以确保数据可靠性和可比性.
- 这项研究提供了必要的证据,以开发一种标准方法来处理中年人群的部加速度计数据.
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