Time series study on the effect of air particulate pollution on emergency admissions for hypertension
WENG Jun1, WEI Xing-fu1, NIE Yong-hong2, WANG Min-zhen1, KANG Feng3, MENG Xiang-yan1, HU Xiao-bin1, PEI Hong-bo1, BAI Ya-na1, ZHENG Shan1
1. Institute of Epidemiology and Statistics, School of Public Health, Lanzhou, Gansu 730000, China;
2. Jinchang Center for Diseases Control and Prevention, Jinchang 737100, China;
3. Workers' Hospital of Jinchuan Group Co. Ltd, Jinchang, Gansu 737103, China
To assess the association between particulate matter and hypertension emergency admissions, this paper collectedmeteorologlical factors and air pollutants data from Jinchang city, Gansu Province from 2012 to 2015 (PM2.5 data from 2014 to 2015). The emergency cases of hypertension were collected from three hospitals in Jinchang city during the same period. Generalized additive model was used, to assess the association between particulate matter and hypertension emergency admissions after adjusted confounding factors. The results showed that an inter-quartile range increase (IQR, 55.78μg/m3) in PM10(L07) concentration could increased hypertension emergency admissions 2.30% (95%CI:1.30%~3.32%), an inter-quartile range increase (IQR, 26.78μg/m3) in PM2.5(L6) concentration could increase hypertension emergency admissions 2.53% (95%CI:1.45%~3.62%) in single pollution model. The males and the cases at and over 65years of age were associated more strongly with PM10 and PM2.5.The multiple-pollutant models showed that SO2 and NO2 were synergic to PM10 and PM2.5. During the dust weather, at the same PM10 or PM2.5 exposure level, the effect of PM10 was increased from 2.30% to 2.36% and the effect of PM2.5 was reduced from 2.53% to 2.39%. Our findings suggest that there be association between particulate matter pollution and emergency admissions for hypertension in Jinchang city, PM2.5 has a greater effect than PM10 on emergency admissions for hypertension.
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WENG Jun, WEI Xing-fu, NIE Yong-hong, WANG Min-zhen, KANG Feng, MENG Xiang-yan, HU Xiao-bin, PEI Hong-bo, BAI Ya-na, ZHENG Shan. Time series study on the effect of air particulate pollution on emergency admissions for hypertension. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(7): 2751-2757.
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