The association between PM2.5 and frailty: evidence from 122 cities in China and 7 countries in Europe
Abstract Background The accelerated aging process worldwide is placing a heavy burden on countries. PM2.5 particulate matter exposure is a significant factor affecting human health and is crucial in the aging process. Methods We utilized data from China Health and Retirement Longitudinal Study (CHAR...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2024-12-01
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| Series: | BMC Public Health |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12889-024-21121-4 |
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| Summary: | Abstract Background The accelerated aging process worldwide is placing a heavy burden on countries. PM2.5 particulate matter exposure is a significant factor affecting human health and is crucial in the aging process. Methods We utilized data from China Health and Retirement Longitudinal Study (CHARLS) and the Survey of Health, Aging, and Retirement in Europe (SHARE) to study the relationship between PM2.5 exposure and the frailty index. Acquire PM2.5 exposure data for China and Europe, match them according to geographic location within the database. Our study used frailty index to evaluate frailty, which comprises 29 items. We examined the association between PM2.5 and frailty index using fixed-effects regression models and Mendelian randomization (MR) analysis. Results We first examined the association between PM2.5 and frailty index using fixed-effects regression models, revealing a notable positive link across populations in China (coefficient = 0.0003, P = 0.0380) and Europe (Coefficient = 0.0019, P < 0.0001). This suggests that PM2.5 exposure is a significant risk factor for frailty, leading to accelerated frailty. Moreover, our MR analysis uncovered a possible causal association (OR = 1.2933, 95%CI: 1.2045–1.3820, P < 0.0001) between PM2.5 exposure and the frailty index. Conclusions Our findings indicate that long-term exposure to PM2.5 in the environment is a risk factor for physical frailty and may have a potential causal relationship. Given the rapid global aging trend, public health measures are needed to reduce PM2.5 concentrations and prevent frailty. |
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| ISSN: | 1471-2458 |