Bidirectional associations of accelerometer-assessed physical activity and sedentary time with physical function among older English adults: the EPIC-Norfolk cohort study.

IF 3.7 2区社会学 Q1 GERONTOLOGY

European Journal of Ageing Pub Date : 2022-12-01 DOI:10.1007/s10433-022-00733-y

Dharani Yerrakalva, Samantha Hajna, Katrien Wijndaele, Paddy C Dempsey, Kate Westgate, Nick Wareham, Simon J Griffin, Soren Brage

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引用次数: 2

Abstract

To develop healthy ageing interventions, longitudinal associations between objectively assessed physical behaviours and physical function need to be better understood. We assessed associations between accelerometer-assessed total physical activity (PA), moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), sedentary time and prolonged sedentary bout time, and clinically assessed physical function (grip strength, usual walking speed (UWS), chair stand speed) at two time-points in 3188 participants (≥ 60 years) of the EPIC-Norfolk study. Bidirectional associations were assessed using multivariable linear regression. Over an average of 6.1 years, baseline physical behaviours (greater total PA, MVPA and LPA, and less sedentary time) were associated with better subsequent walking and chair stand speed. Better baseline physical function was associated with better follow-up physical behaviours. There were no bidirectional associations between changes in physical behaviours and grip strength. Improvements in UWS were associated with improvements in all physical behaviours. Improvements in chair stand speed were associated with improvements in total PA, MVPA, and sedentary bout time. Improvements in physical behaviours were associated with improvements in UWS (3.1 cm/s/yr per 100 cpm/yr total PA, 3.6 cm/s/yr per hr/day/yr MVPA, 2.5 cm/s/yr per hr/day/yr LPA, - 2.9 cm/s/yr per hour/day/yr sedentary time, and - 1.6 cm/s/yr per hr/day/yr prolonged sedentary bout time). Only improvements in total PA, MVPA and sedentary bout time were associated with improvements in chair stand speed. In conclusion, we found bidirectional associations between changes in some physical behaviours and physical function and between baseline physical behaviours and subsequent physical function, highlighting the importance of considering the full range of physical behaviours to promote healthy ageing.

Supplementary information: The online version contains supplementary material available at 10.1007/s10433-022-00733-y.

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加速度计评估的身体活动和久坐时间与英国老年人身体功能的双向关联:EPIC-Norfolk队列研究。

为了制定健康的老龄化干预措施，需要更好地了解客观评估的身体行为和身体功能之间的纵向关联。在EPIC-Norfolk研究的3188名参与者(≥60岁)中，我们评估了加速度计评估的总体力活动(PA)、中度至剧烈体力活动(MVPA)、轻度体力活动(LPA)、久坐时间和长时间久坐时间之间的关联，并在两个时间点评估了临床评估的身体功能(握力、通常步行速度(UWS)、椅子站立速度)。使用多变量线性回归评估双向关联。在平均6.1年的时间里，基线的身体行为(更大的总PA、MVPA和LPA，以及更少的久坐时间)与随后更好的行走和站立速度有关。较好的基线身体机能与较好的后续身体行为相关。身体行为的变化和握力之间没有双向联系。UWS的改善与所有身体行为的改善相关。椅子站立速度的改善与总PA、MVPA和久坐时间的改善有关。身体行为的改善与UWS的改善相关(每100 cpm/年总PA为3.1 cm/s/年，每小时/天/年MVPA为3.6 cm/s/年，每小时/天/年LPA为2.5 cm/s/年，每小时/天/年久坐时间为- 2.9 cm/s/年，每小时/天/年久坐时间为- 1.6 cm/s/年)。只有总PA、MVPA和久坐时间的改善与椅子站立速度的改善有关。总之，我们发现一些身体行为和身体功能的变化之间，以及基线身体行为和随后的身体功能之间的双向关联，强调了考虑全方位身体行为以促进健康老龄化的重要性。补充信息:在线版本包含补充资料，提供地址为10.1007/s10433-022-00733-y。

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来源期刊

European Journal of Ageing GERONTOLOGY-

CiteScore

6.50

自引率

7.90%

发文量

期刊介绍： The European Journal of Ageing: Social, Behavioural and Health Perspectives is an interdisciplinary journal devoted to the understanding of ageing in European societies and the world over. EJA publishes original articles on the social, behavioral and population health aspects of ageing and encourages an integrated approach between these aspects. Emphasis is put on publishing empirical research (including meta-analyses), but conceptual papers (including narrative reviews) and methodological contributions will also be considered. EJA welcomes expert opinions on critical issues in ageing. By stimulating communication between researchers and those using research findings, it aims to contribute to the formulation of better policies and the development of better practice in serving older adults. To further specify, with the term ''social'' is meant the full scope of social science of ageing related research from the micro to the macro level of analysis. With the term ''behavioural'' the full scope of psychological ageing research including life span approaches based on a range of age groups from young to old is envisaged. The term ''population health-related'' denotes social-epidemiological and public health oriented research including research on functional health in the widest possible sense.

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