The spatial variation in the effects of air pollution on cardiovascular mortality in Beijing, China

被引:0
作者
Wenjing Li
Yang Cao
Runkui Li
Xinming Ma
Jieying Chen
Zhenglai Wu
Qun Xu
机构
[1] Institute of Basic Medicine Sciences Chinese Academy of Medical Sciences,Department of Epidemiology and Biostatistics
[2] School of Basic Medicine Peking Union Medical College,undefined
[3] Unit of Biostatistics,undefined
[4] Institute of Environmental Medicine,undefined
[5] KarolinskaInstitutet,undefined
[6] Clinical Epidemiology and Biostatistics,undefined
[7] Faculty of Medicine and Health,undefined
[8] Örebro University,undefined
[9] College of Resources and Environment,undefined
[10] University of Chinese Academy of Sciences,undefined
[11] State Key Laboratory of Resources and Environmental Information System,undefined
[12] Institute of Geographic Sciences and Natural Resources Research,undefined
[13] Chinese Academy of Science,undefined
来源
Journal of Exposure Science & Environmental Epidemiology | 2018年 / 28卷
关键词
air pollution; cardiovascular mortality; generalized additive mixed model; generalized additive model; spatio-temporal analysis;
D O I
暂无
中图分类号
学科分类号
摘要
Owing to lack of data from multiple air quality monitoring stations, studies about spatial association between concentrations of ambient pollutants and mortality in China are rare. To investigate the spatial variation of association between concentrations of particulate matter less than 10 μm in aerodynamic diameter (PM10), nitrogen dioxide (NO2) and carbon monoxide (CO) and cardiovascular mortality in Beijing, China, we collected data including daily deaths, concentrations of PM10, NO2 and CO, and meteorological factors from 1 January 2009 to 31 December 2010 in all 16 districts of Beijing. Generalized additive model (GAM) and generalized additive mixed model (GAMM) were used to examine the citywide and district-specific effects of PM10, NO2 and CO on cardiovascular mortality. The citywide effect derived from GAMM was lower than that derived from GAM, and the strongest effects were identified for 2-day moving average lag 0–1. The interquartile increases in concentrations of PM10, NO2 and CO were associated with 2.46 (95% confidence interval (CI), 1.22–3.72), 4.11 (95%CI, 2.82–5.42) and 2.23 (95%CI, 1.14–3.33) percentage increases in daily cardiovascular mortality by GAMM, respectively. The relative risk of each district compared with reference district was generally statistically significant. The death risk associated with air pollutants varies across different geographic districts in Beijing. The data indicate that the risk is high in suburban areas and rural counties. We found significant and spatially varied adverse effects of air pollution on cardiovascular deaths across the rural and urban areas in Beijing.
引用
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页码:297 / 304
页数:7
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