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- Title
Association between air pollution and hospital admissions for hypertension in Lanzhou, China.
- Authors
Liu, Yurong; Dong, Jiyuan; Zhai, Guangyu
- Abstract
Air pollution has been accepted as an important risk factor for hypertension. However, little is known about the association between air pollution and hospitalization for hypertension. In this study, we explored the association between six criteria air pollutants and hypertension hospitalization in Lanzhou, China. An over-dispersed Poisson regression model combined with a distributed lag nonlinear model (DLNM) was used. In addition, we investigated the effect of modification by sex, age, and season. A total of 30,197 hospitalization cases were identified during the study period. A 10μg/m3 increase in PM2.5, PM10, SO2, and NO2 concentrations or 1 mg/m3 increment in CO was significantly associated with relative risks (RRs) of hospital admissions due to hypertension 1.026 [95% confidence interval (CI): 1.010, 1.043], 1.010 (95%CI: 1.005, 1.015), 1.042 (95%CI: 1.001, 1.085), 1.028 (95%CI: 1.003, 1.052), and 1.106 (95%CI: 1.031, 1.186), respectively. No significant influence of O38h was found on hypertension hospital admissions. The associations differed by individual characteristics; the elderly (≥ 65 years) and females were highly vulnerable. The effects of PM2.5, SO2, and CO were more evident in the cool season than in the warm season. From exposure-response curves, we observe a nearly linear relationship for PM2.5, PM10, SO2, NO2, and CO. This study suggests that exposure to PM2.5, PM10, SO2, NO2, and CO is associated with hypertension morbidity.
- Subjects
LANZHOU Shi (China); HOSPITAL admission &; discharge; AIR pollution; AIR pollutants; HYPERTENSION risk factors; HYPERTENSION; POISSON regression; HOSPITAL mortality
- Publication
Environmental Science & Pollution Research, 2022, Vol 29, Issue 8, p11976
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-021-16577-5