Beyond the (log)book: Comparing accelerometer non-wear detection techniques in toddlers

Elyse Letts, Sarah M da Silva, Natascja Di Cristofaro, Sara King-Dowling, Joyce Obeid
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Abstract

Background Accelerometers are increasingly used to measure physical activity and sedentary time in toddlers. Data cleaning or wear time validation can impact outcomes of interest, particularly in young children who spend less time awake. However, no study has systematically compared wear time validation strategies in toddlers. As such, the objective of this study is to compare different fully-automated methods of distinguishing wear and non-wear time (counts and raw data algorithms) to the semi-automated (counts with logbooks) criterion method in toddlers.
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超越(记录)簿:比较幼儿加速度计非磨损检测技术
背景 加速计越来越多地用于测量幼儿的体力活动和久坐时间。数据清理或佩戴时间验证会影响相关结果,尤其是对清醒时间较短的幼儿。然而,还没有研究系统地比较过幼儿的佩戴时间验证策略。因此,本研究的目的是比较不同的全自动方法(计数和原始数据算法)与半自动方法(计数和日志)在幼儿中区分磨损和非磨损时间的标准方法。
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