AI Article Synopsis
- Indoor air pollution can negatively affect both physical and mental health in the elderly, with depressive symptoms being a common issue.
- The study analyzed data from 7,887 elderly individuals to examine the link between indoor window ventilation frequency and depressive symptoms, using self-reported ventilation habits and a depression scale.
- Results showed that higher indoor ventilation frequency correlated with a 33% lower likelihood of depressive symptoms, suggesting that improving indoor air quality may help alleviate mental health issues in older adults.
Article Abstract
Objectives: Indoor air pollution exposure is harmful to people's physical and mental health, especially in the elderly population. Depressive symptoms are the most common mental health issue among elderly individuals. However, evidence linking the frequency of indoor natural ventilation to depressive symptoms in the elderly population is limited.
Methods: This study included 7887 individuals 65 years and older from 2017 to 2018 the China Longitudinal Healthy Longevity Survey (CLHLS). The frequency of indoor window ventilation was measured as the self-reported times of ventilation of indoor window per week in each season, and the four seasons' scores were added up to calculate the annual ventilation frequency. Depressive symptoms were measured by the 10-item Center for Epidemiologic Studies Short Depression Scale (CESD). Using three models adjusted for demographic, socio-economic, health status, and environmental factors successively, the correlation between indoor window ventilation frequency and depressive symptoms was verified through logistic regression.
Results: Among the 7887 elderly people included in this study, 1952 (24.7 %) had depressive symptoms. In the fully adjusted model, compared with the lower indoor annual ventilation frequency group, high indoor annual ventilation frequency group was significantly associated with a 33 % (OR: 0.67, 95%CI: 0.51-0.88) lower probability of depressive symptoms. Subgroup analysis and sensitivity analysis yielded similar results.
Conclusions: High frequency of window ventilation is significantly associated with the lower risk of depressive symptoms in Chinese individuals aged 65 and older. This result provides strong evidence for health intervention and policy formulation.
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| http://dx.doi.org/10.1016/j.jad.2024.09.122 | DOI Listing |
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