Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 208, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2020.111492
Keywords
PM2.5; Long-term exposure; Hypertension; Non-pregnancy women
Categories
Funding
- National Key Research and Development Program of China [2017YFC0211600, 2017YFC0211602, 2017YFC0211606]
- National Natural Science Foundation of China [91943301]
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The meta-analysis revealed that long-term exposure to PM2.5 increases the risk of hypertension in non-pregnant women, with menopause, non-White, and diabetes being key risk factors for hypertension when exposed to PM2.5.
Objective: Gender difference and PM2.5 exposure all have effects on hypertension, change of estrogen level in different women's stage bring complex influence on blood pressure. Then we conduct this meta-analysis to investigate the association between long-term exposure (at least one year) to fine particulate matter (PM2.5) and hypertension in adult non-pregnant women. Method: Four major databases: PubMed, Cochrane Library, Web of Science and Embase were searched with specific search terms, and 11 studies were finally selected. The meta-analysis module of software Stata 12.0 was used for data processing with the effect values hazard ratio (HR) and odds ratio (OR) respectively. Results: After sensitivity analysis, we removed a study with highly heterogeneity and finally included 10 studies. Meta-analysis results showed that exposure to PM2.5 (per 10 mu g/m(3) increase) was associated with hypertension in non-pregnancy adult women, HR = 1.23, 95%CI: 1.08-1.40; OR = 1.07, 95%CI: 1.00-1.14. And subgroup analysis showed that menopause, non-White and diabetes are the key risk factors of hypertension when exposed to PM2.5. Conclusion: This is the first meta-analysis to explore the association between PM2.5 and non-pregnancy women, and calculate OR and HR respectively for the first time. Exposure to PM2.5 could increase the risk of hypertension in non-pregnancy women, and the combined 'HR' was much higher than 'OR'.
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