Tracking of Pedometer-Determined Physical Activity in Healthy Elderly Japanese People
Tracking of Pedometer-Determined Physical Activity in Healthy Elderly Japanese People
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DOI：
10.1123/jpah.2014-0450
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发表时间：
2015-10-01
影响因子：
3.1
通讯作者：
Yoshitake, Yutaka
中科院分区：
文献类型：
--
作者：
Yamamoto, Naofumi;Shimada, Mieko;Yoshitake, Yutaka
背景：跟踪是指一个人在一段时间内保持自己在一个群体中的排名的趋势。这项研究纵向调查了年龄在72岁到80岁之间的身体独立的日本老年人对计步器确定的体力活动的8年跟踪。方法：受试者在72岁时测量每天的步数，并在2、5和8年后再次进行评估。随访2年(72~74年)177人(男101人，女76人)，随访5年(72~77年)183人(男110人，女73人)，随访8年(72~80年)145人(男91人，女54人)。在每个评估年度的1月、4月、7月和10月连续测量步数1周。结果：男性和女性在2年、5年和8年的随访中，步数/天超过0.60的等级相关系数都很高。结论：这项研究表明，在72岁至80岁的健康日本人中，由计步器决定的一组步数/天的步数在长达8年的时间内保持稳定。
Background: Tracking refers to the tendency for an individual to maintain their rank within a group over time. This study longitudinally investigated the 8-year tracking of pedometer-determined physical activity among physically independent elderly Japanese people aged 72 to 80 years. Methods: Steps/day were measured when participants were aged 72 and assessed again after 2, 5, and 8 years. The number of participants with a 2-year follow-up (72 to 74 years) was 177 (101 males, 76 females), with a 5-year follow-up (72 to 77 years) was 183 people (110 males, 73 females), and with an 8-year follow-up (72 to 80 years) was 145 people (91 males, 54 females). Step counts were continuously measured for 1 week in January, April, July, and October during each year of assessment. Results: A high rank correlation coefficient for steps/day exceeding 0.60 was obtained at the 2-, 5- and 8-year follow-up examinations for both males and females. Conclusion: This study suggests that the rank within a group of pedometer-determined steps/day remains stable over up to 8 years in healthy Japanese people aged between 72 to 80 years old.