Attributable risks of emergency hospital visits due to air pollutants in China: A multi-city study

Environmental Pollution
Gongbo ChenYuming Guo

Abstract

Air pollution is associated with risks of mortality in China, but the evidence is still limited for morbidity. This study aims to examine overall effects of ambient air pollutants on emergency hospital visits (EHVs) at the national level in China and calculate corresponding attributable risks. We collected daily data for EHVs from 33 largest hospitals in China between Oct 2013 and Dec 2014, as well as daily measurements of particulate matter (PM10 and PM2.5: particles with aerodynamic diameter < 10 μm and 2.5 μm, respectively), nitrogen dioxide (NO2) and sulphur dioxide (SO2) from 31 cities where the hospitals were located. Firstly, quasi-Poisson regression with a constrained distributed lag model (CDLM) was employed to examine city-specific associations of EHVs with each pollutant. Then, the effects at the national scale were pooled with a random-effect meta-analysis. Daily EHVs was significantly associated with a 10 μg/m3 increase in PM2.5 at lag 0-2 days [cumulative relative risk (RR) and 95% confidence intervals (CI): 1.006 (1.002, 1.009)], PM10 at lag 0-1 days [1.004 (1.002, 1.006)], NO2 at lag 0-1 days [1.015 (1.010, 1.019)] and SO2 at lag 0-2 days [1.022 (1.014, 1.030)]. The effect estimates were not modified by sex, but...Continue Reading

Citations

Aug 1, 2018·International Journal of Environmental Research and Public Health·Laura Andrea Rodríguez-VillamizarJulián Alfredo Fernández-Niño
Jun 4, 2019·International Journal of Epidemiology·Yaohua TianYonghua Hu
Sep 15, 2020·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·Margaux CochardYann Landkocz
Mar 15, 2018·International Journal of Environmental Research and Public Health·Hang QiuJingping Pan
Sep 12, 2018·International Journal of Environmental Research and Public Health·Yunfei ChengXiaoying Zheng
Apr 24, 2018·International Archives of Occupational and Environmental Health·Rika EguchiAkihito Hagihara
Aug 19, 2017·Annals of the American Thoracic Society·Mary B Rice, Jonathan M Samet
Aug 15, 2018·International Journal of Environmental Research and Public Health·Lilin XiongMeng Tang
Apr 22, 2021·Environmental Science and Pollution Research International·Rashmi YadavRupinder Singh Dhaliwal
Jun 3, 2021·International Journal of Environmental Research and Public Health·Shi LiangAn Zhang

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