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首页> 美国卫生研究院文献>Journal of Sports Science Medicine >Tri-Axial Accelerometer-Determined Daily Physical Activity and Sedentary Behavior of Suburban Community-Dwelling Older Japanese Adults
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Tri-Axial Accelerometer-Determined Daily Physical Activity and Sedentary Behavior of Suburban Community-Dwelling Older Japanese Adults

机译：三轴加速度计确定的郊区居住的日本老年人的日常体育活动和久坐行为

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Knowledge regarding accelerometer-derived physical activity (PA) and sedentary behavior (SED) levels is scarce for Japanese older adults. The aims of this study were therefore to 1) describe levels of PA and SED in Japanese community-dwelling older adults, using tri-axial accelerometer; 2) examine the variation of PA and SED with respect to sex, age, and body mass index (BMI). Participants of this study were from the baseline survey of the Sasaguri Genkimon Study, who were 65 years or older and not certified as those requiring long-term care. PA was assessed objectively for seven consecutive days using tri-axial accelerometer. A total of 1,739 participants (median age: 72 years, men: 38.0%) with valid PA data were included. Overall, participants in the present study spent 54.5% of their waking time being sedentary and 45.5% being active, of which 5.4% was moderate-to-vigorous physical activity (MVPA). Women accumulated more minutes of light physical activity (LPA) and MVPA compared with men. In contrast, men spent more time being sedentary. Mean steps per day did not differ between sexes. Furthermore, participants with higher BMI (BMI ≥25) had lower PA levels, and longer SED compared with those with lower BMI (BMI <). PA levels were lower and SED was longer with age. The present study is the first to demonstrate that the levels of PA and SED differed by sex, age, and BMI in Japanese community-dwelling older adults. In particular, women were more active compared with men, providing unique insight into the current level of PA in older adults. Data presented in the study will enable further investigation of additional determinants of PA and SED in order to develop effective population-based intervention strategies to promote PA and reduce prolonged SED in the Japanese population and possibly other rapidly aging societies.Key points class="unordered" style="list-style-type:disc">Accelerometer, that is capable to assess PA more precisely in large scale epidemiological studies, provides opportunity for improving understanding of daily PA in older adults.This study first demonstrated that the levels of PA and SED differed by sex, age, and BMI in Japanese community-dwelling older people.Women were more active compared with men, in terms of more minutes of MVPA.
机译：对于日本老年人来说，有关加速度计衍生的身体活动（PA）和久坐行为（SED）水平的知识很少。因此，本研究的目的是：1）使用三轴加速度计描述日本社区居住的老年人中PA和SED的水平； 2）检查PA和SED在性别，年龄和体重指数（BMI）方面的变化。这项研究的参与者来自Sasaguri Genkimon研究的基线调查，他们年龄在65岁以上，并且未获得需要长期护理的证明。使用三轴加速度计连续7天客观评估PA。纳入有效的PA数据的1,739名参与者（中位年龄：72岁，男性：38.0％）。总体而言，本研究的参与者久坐时间占54.5％，活跃时间占45.5％，其中5.4％为中度至剧烈的身体活动（MVPA）。与男性相比，女性累积了更多的光活动（LPA）和MVPA分钟。相反，男人花更多的时间久坐。男女之间每天的平均步伐没有差异。此外，与BMI较低（BMI <）的受试者相比，BMI较高（BMI≥25）的受试者的PA水平较低，SED较长。随着年龄的增长，PA水平较低，SED较长。本研究是第一个证明日本居民居住的老年人中PA和SED的水平随性别，年龄和BMI而不同的研究。特别是，与男性相比，女性更活跃，从而可以洞悉目前老年人的PA水平。该研究中提供的数据将有助于进一步研究PA和SED的其他决定因素，从而制定有效的基于人群的干预策略，以促进日本人群和可能的其他快速老龄化社会中的PA并减少SED的延长。 “ unordered” style =“ list-style-type：disc”> <！-list-behavior = unordered prefix-word = mark-type = disc max-label-size = 0-> 加速度计，即能够在大规模的流行病学研究中更准确地评估PA，为提高对成年人每日PA的了解提供了机会。 该研究首先证明了PA和SED的水平随性别，年龄和BMI的不同而不同在日本居住在社区中的老年人中。 与男性相比，女性的运动时间更长，而MVPA时间更长。

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