Comparison of interdevice measurement difference of pedometers in younger and older adults
Comparison of interdevice measurement difference of pedometers in younger and older adults
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DOI：
10.1136/bjsm.2007.045179
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发表时间：
2010-02-01
影响因子：
18.4
通讯作者：
Tanaka, H.
中科院分区：
文献类型：
--
作者：
Ayabe, M.;Ishii, K.;Tanaka, H.
目的：在这项研究中，仪器间的差异之间的关系，在每天的步骤数与强度分布的日常体力活动在年轻人和老年人examined.Methods：17个年轻人和28个老年人戴着两个计步器（Lifecorder（LC）和EC-200（YM））同时为7天，以确定每个步骤的数量。结果：LC检测到的步数明显多于YM（p < 0.001），但两者之间存在很强的相关性（r = 0.962，p < 0.001）。不活动的老年人与活动的老年人和年轻人相比，步数的装置间差异显著减小，并且与用于轻强度体力活动（LPA）的时间呈显著负相关（r = 0.523，p < 0.01）。该研究表明，由于在LPA中花费的时间更长，老年参与者的器械间差异与步数显著增加。
Objectives: In this study, the relationship between inter-instrument differences in regard to the daily number of steps with the intensity distribution of daily physical activity in younger and older adults was examined.Methods: 17 younger individuals and 28 older individuals wore two pedometers (Lifecorder (LC) and EC-200 (YM)) simultaneously for 7 days, in order to determine the number of steps each took. Furthermore, LC determined the time spent in light, moderate and vigorous physical activity, corresponding to 6 METs, respectively.Results: The LC detected a significantly larger number of steps than YM (p < 0.001), yet there was a strong relationship between the two measurements (r = 0.962, p < 0.001). The interdevice difference with the number of steps significantly decreased in inactive older individuals compared with the active older and younger individuals, and it was also significantly negatively correlated with the time spent in light-intensity physical activity (LPA) (r = 0.523, p < 0.01).Conclusion: This study showed that the interdevice difference with the number of steps significantly increased in older participants due to the greater length of time spent in LPAs.