Spatial Variation in the Effects of Air Pollution on Cardiovascular Mortality in Beijing, China

Overview

Journal Environ Sci Pollut Res Int

Publisher Springer

Specialties Environmental Health
Toxicology

Date 2018 Nov 25

PMID 30471063

Citations 7

Authors

Wenjing Li

Lu Pei

Ang Li

Kai Luo

Yang Cao

Runkui Li

Qun Xu

Affiliations

Soon will be listed here.

Abstract

Due 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 (PM) and nitrogen dioxide (NO) and cardiovascular mortality in Beijing, China, we collected data including daily deaths, concentrations of PM and NO, and meteorological factors from January 1, 2009, to December 31, 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 PM and NO 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. For every 10 μg/m increases in concentrations of PM and NO, the corresponding daily cardiovascular mortality increases in 0.31% (95%CI 0.15%, 0.46%) and 1.63% (95%CI 1.11%, 2.13%), respectively. The death risk associated with air pollutants varied across different geographic districts in Beijing. We found spatially varied adverse effects of air pollution on cardiovascular deaths in Beijing. But there was insufficient evidence to show the significant spatial heterogeneity in mortality effects of PM and NO in this study.

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