Reducing mortality risk in older adults by replacing sedentary behavior with leisure-time physical activity: insights from a prospective cohort study

IF 3.2 3区医学 Q1 ORTHOPEDICS

Brazilian Journal of Physical Therapy Pub Date : 2025-08-21 DOI:10.1016/j.bjpt.2025.101256

Lucas Lima Galvão , Douglas de Assis Teles Santos , Claudio André Barbosa de Lira , Jair Sindra Virtuoso Júnior , Sheilla Tribess , Anne Sulivan Lopes da Silva Reis , Marilia Santos Andrade , Beat Knechtle , Rodrigo Luiz Vancini

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引用次数: 0

Abstract

Background

Physical activity (PA) has many health benefits. However, more research is needed to understand its effects on mortality risk in older adults.

Objective

To verify the hypothetical effects of replacing sedentary behavior (SB) and PA domains on the risk of mortality in the older adults.

Methods

A population-based prospective cohort study was conducted using exploratory survey methods, involving 332 participants of both sexes aged ≥ 60 years monitored over five years. PA and SB were assessed using the International Physical Activity Questionnaire, with the domains assessed including leisure, occupational, transport, and domestic. Isotemporal replacement modeling was applied to examine the hypothesized effects of replacing the PA and SB domains on mortality risk, using Cox proportional hazards regression with Hazard Ratio estimates and 95 % confidence intervals.

Results

At all time points tested in the model, replacing SB exposure time with leisure-time PA proved to be protective against mortality risk, while the opposite substitution of leisure-time PA with SB was associated with higher mortality risk among participants.

Conclusion

This study suggests implementing strategies, highlighting the importance of promoting leisure activities among the older adult population.

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用休闲时间的体育活动代替久坐行为降低老年人的死亡风险：来自前瞻性队列研究的见解

体育活动（PA）对健康有很多好处。然而，需要更多的研究来了解它对老年人死亡风险的影响。目的验证替换久坐行为（SB）和PA结构域对老年人死亡风险的假设影响。方法采用探索性调查方法，对332名年龄≥60岁的男女参与者进行为期5年的前瞻性队列研究。采用国际体育活动问卷（International Physical Activity Questionnaire）对PA和SB进行评估，评估领域包括休闲、职业、交通和家庭。采用Cox比例风险回归，采用风险比估计和95%置信区间，应用等颞叶替代模型来检验替换PA和SB结构域对死亡风险的假设影响。结果在模型中测试的所有时间点中，用休闲时间PA替代SB暴露时间证明对死亡风险有保护作用，而相反，用SB替代休闲时间PA与参与者的死亡风险较高相关。结论本研究提出了实施策略，强调了促进老年人休闲活动的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Brazilian Journal of Physical Therapy 医学-整形外科

CiteScore

6.10

自引率

8.80%

发文量

审稿时长

74 days

期刊介绍： The Brazilian Journal of Physical Therapy (BJPT) is the official publication of the Brazilian Society of Physical Therapy Research and Graduate Studies (ABRAPG-Ft). It publishes original research articles on topics related to the areas of physical therapy and rehabilitation sciences, including clinical, basic or applied studies on the assessment, prevention, and treatment of movement disorders.