Association between Time Since Smoking Cessation and Frailty Trajectory among Community-Dwelling Older People: English Longitudinal Study of Ageing

IF 4.2 2区 医学 Q2 GERIATRICS & GERONTOLOGY Journal of the American Medical Directors Association Pub Date : 2024-10-30 DOI:10.1016/j.jamda.2024.105328
Gotaro Kojima PhD , Yu Taniguchi PhD , Reijiro Aoyama PhD , Tomohiko Urano MD, PhD
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Abstract

Objectives

To examine the associations of smoking cessation with the subsequent frailty status trajectory using data from a nationally representative sample of community-dwelling older adults living in England.

Design

A prospective panel study.

Setting and Participants

A total of 2600 community-dwelling older adults aged 60 or older in England who used to smoke.

Methods

The past smokers were divided into 5 groups based on years since smoking cessation: 0–10, 11–20, 21–30, 31–40, and 41+ years. The Frailty Index (FI) was constructed using 60 deficits and repeatedly calculated every 2 years over 16 years. Trajectories of FI according to years since smoking cessation were estimated by a mixed-effects model.

Results

A mixed-effects model adjusted for age, sex, education, wealth, and alcohol use showed that FI increased over time in all groups and that longer duration since smoking cessation was significantly associated with lower FI (more fit). Those who quit 41 years earlier or more had the lowest frailty trajectory, however, there was still a gap between them and never smokers.

Conclusions and Implications

The current study showed that past smokers with a longer duration of quitting smoking had a significantly lower degree of frailty at baseline and over time. These findings highlight beneficial effects of smoking cessation on frailty even in middle or old age and could be used in public health education to promote the importance of quitting smoking.
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社区老年人戒烟时间与虚弱轨迹之间的关系:英国老龄化纵向研究
目的利用具有全国代表性的英格兰社区老年人样本数据,研究戒烟与随后的虚弱状态轨迹之间的关系:设计:前瞻性小组研究:环境和参与者:英国60岁及以上居住在社区的老年人,共2600人,他们曾经吸烟:根据戒烟年限将过去吸烟者分为 5 组:0-10岁、11-20岁、21-30岁、31-40岁和41岁以上。虚弱指数(FI)由 60 项缺陷构成,在 16 年中每两年重复计算一次。通过混合效应模型估算了根据戒烟年限计算的 FI 轨迹:混合效应模型对年龄、性别、教育程度、财富和酗酒情况进行了调整,结果表明,随着时间的推移,所有群体的FI都在增加,戒烟时间越长,FI越低。戒烟时间在 41 年或更早的人的虚弱程度轨迹最低,但他们与从不吸烟者之间仍有差距:目前的研究表明,戒烟时间较长的既往吸烟者在基线时和随着时间的推移,其虚弱程度明显较低。这些发现凸显了戒烟对中老年虚弱的有益影响,可用于公共健康教育,宣传戒烟的重要性。
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来源期刊
CiteScore
11.10
自引率
6.60%
发文量
472
审稿时长
44 days
期刊介绍: JAMDA, the official journal of AMDA - The Society for Post-Acute and Long-Term Care Medicine, is a leading peer-reviewed publication that offers practical information and research geared towards healthcare professionals in the post-acute and long-term care fields. It is also a valuable resource for policy-makers, organizational leaders, educators, and advocates. The journal provides essential information for various healthcare professionals such as medical directors, attending physicians, nurses, consultant pharmacists, geriatric psychiatrists, nurse practitioners, physician assistants, physical and occupational therapists, social workers, and others involved in providing, overseeing, and promoting quality
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