Associations of older adults' physical activity and bout-specific sedentary time with frailty status: Compositional analyses from the NEIGE study
Associations of older adults' physical activity and bout-specific sedentary time with frailty status: Compositional analyses from the NEIGE study
复制标题
老年人的体力活动和特定的久坐时间与虚弱状态的关系：来自Neige研究的成分分析
DOI：
10.1016/j.exger.2020.111149
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发表时间：
2021-01-01
影响因子：
3.9
通讯作者：
Shobugawa, Yugo
中科院分区：
文献类型：
--
作者：
Kikuchi, Hiroyuki;Inoue, Shigeru;Shobugawa, Yugo
目的：在日本社区居住的老年人中，考虑到这些行为的相互关系，研究特定强度的身体活动和大约特定的久坐时间与虚弱状态的关联。方法：参与者是511名居住在社区的老年人。使用三轴加速度计评估身体活动和久坐时间。根据表型模型和日本老年人的既定标准，确定虚弱状态（虚弱，虚弱前或健壮）。使用成分数据分析，调整潜在混杂因素，研究强度特异性体力活动和大约特异性久坐行为（SB）时间与虚弱状态的关联。结果：参与者包括13人（2.6%）体弱，234人（45.8%）体弱前期，264人（51.6%）健壮。对于身体虚弱和体弱前期，花在中度到剧烈身体活动（MVPA）上的时间比例比那些身体强壮的人要少。体弱多病的老年人花在长时间（30分钟/次）久坐行为（SB）上的时间比例较大，而花在短时间（30分钟/次）久坐行为（SB）上的时间较少。
Aim: To examine associations of intensity-specific physical activity and bout-specific sedentary time with frailty status among Japanese community-dwelling older adults, taking into account the interrelationships of these behaviors.Methods: Participants were 511 community-dwelling older adults. Physical activity and sedentary time were assessed using a tri-axial accelerometer. Frailty status (frail, pre-frail, or robust) was determined, based on the phenotypic model and used established criteria for Japanese older adults. Associations with frailty status of intensity-specific physical activity and bout-specific sedentary behavior (SB) time were examined using compositional data analysis, adjusted for potential confounders.Results: Participants included 13 (2.6%) who were frail, 234 (45.8%) pre-frail, and 264 (51.6%) who were robust. For the frail and pre-frail, the proportion of time spent in moderate-to-vigorous physical activity (MVPA) was less than for those who were robust. Frail older adults has larger proportion of time spent in prolonged (>= 30 min/ bouts) sedentary behavior (SB), and less in short-bout (