Association Between Indoor Ventilation Frequency and IADL Disability Among Chinese Older Adults

IF 4.3 2区 环境科学与生态学 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Indoor air Pub Date : 2025-07-31 DOI:10.1155/ina/7882633
Xiaobing Xian, Xiaoli Fan, Xiaoyu Wang, Shiwei Cao, Xiaowei Wei, Yue Zhang, Kun Shen
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引用次数: 0

Abstract

Background: Indoor air quality (IAQ) is regarded as a significant factor influencing older adults’ health, and opening windows for ventilation can help improve IAQ. This study revealed the relationship between indoor ventilation frequency (IVF) and instrumental activities of daily living (IADL) in Chinese older adults for the first time.

Methods: Data were obtained from cross-sectional data published in the 2017–2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS) database. A multifactor logistic regression model was used to analyze the association between IVF and IADL in Chinese people aged 65 and above, which was observed in different subgroups. Further propensity score matching (PSM) and three sensitivity analyses enhanced the robustness of the results.

Results: After adjusting for all covariates, moderate and high IVF was associated with 33.8% (OR = 0.662, 95% CI: 0.507–0.864) and 42.6% (OR = 0.574, 95% CI: 0.444–0.742) reduction in the risk of having an IADL disability, compared to the low one, respectively. Among the results, significant associations were found only between IVF in summer and winter and older adults’ risk of IADL disability. Subgroup analyses showed that the association between IVF and IADL was specific in different subgroup populations. The results of the interaction analyses indicated that drinking significantly modified the relationship between IVF and IADL disability (p for interaction < 0.05).

Conclusion: In this nationally representative sample analysis, a higher window opening frequency for indoor ventilation was statistically significantly associated with a decrease in IADL disability among Chinese older adults. These results provide an essential basis for relevant policy development and new health intervention strategies to lower older adults’ risk of disability.

Abstract Image

中国老年人室内通风频率与IADL功能障碍的关系
背景:室内空气质量(IAQ)被认为是影响老年人健康的重要因素,开窗通风有助于改善室内空气质量。本研究首次揭示了中国老年人室内通风频率(IVF)与日常生活工具活动(IADL)之间的关系。方法:数据来自2017-2018年中国纵向健康寿命调查(CLHLS)数据库中发布的横断面数据。采用多因素logistic回归模型分析中国65岁及以上人群体外受精与IADL之间的关系,并在不同亚组中进行观察。进一步的倾向评分匹配(PSM)和三个敏感性分析增强了结果的稳健性。结果:在对所有协变量进行调整后,与低IVF相比,中等和高IVF分别与发生IADL残疾的风险降低33.8% (OR = 0.662, 95% CI: 0.507-0.864)和42.6% (OR = 0.574, 95% CI: 0.444-0.742)相关。其中,只有在夏季和冬季进行体外受精与老年人的IADL残疾风险之间存在显著关联。亚组分析显示,IVF和IADL之间的关联在不同亚组人群中具有特异性。交互作用分析结果显示,饮酒显著改变IVF与IADL残疾的关系(p为交互作用<; 0.05)。结论:在这个具有全国代表性的样本分析中,较高的室内通风开窗频率与中国老年人IADL残疾的降低有统计学意义。这些结果为相关政策的制定和新的健康干预策略提供了必要的基础,以降低老年人的残疾风险。
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来源期刊
Indoor air
Indoor air 环境科学-工程:环境
CiteScore
10.80
自引率
10.30%
发文量
175
审稿时长
3 months
期刊介绍: The quality of the environment within buildings is a topic of major importance for public health. Indoor Air provides a location for reporting original research results in the broad area defined by the indoor environment of non-industrial buildings. An international journal with multidisciplinary content, Indoor Air publishes papers reflecting the broad categories of interest in this field: health effects; thermal comfort; monitoring and modelling; source characterization; ventilation and other environmental control techniques. The research results present the basic information to allow designers, building owners, and operators to provide a healthy and comfortable environment for building occupants, as well as giving medical practitioners information on how to deal with illnesses related to the indoor environment.
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