Components of Particulate Air Pollution and Mortality in Chile

被引：47

作者：

Cakmak, Sabit ^{[1
]}

Dales, Robert E. ^{[2
]}

Blanco, Claudia ^{[3
]}

机构：

[1] Hlth Canada, Dept Stat, Ottawa, ON K1A 0L2, Canada

[2] Univ Ottawa, Dept Epidemiol, Ottawa, ON K1N 6N5, Canada

[3] CONAMA, Area Descontaminac Atmosfer, Santiago, Chile

来源：

INTERNATIONAL JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH | 2009年 / 15卷 / 02期

关键词：

air pollution; elderly; environment; epidemiology; mortality; SOURCE APPORTIONMENT; AMBIENT AIR; TIME-SERIES; MATTER; PARTICLES; SANTIAGO; ASSOCIATIONS; AEROSOL; NICKEL; URBAN;

D O I：

10.1179/oeh.2009.15.2.152

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

To determine the association between several elements of fine particulate air pollution (PM2.5) and mortality in a general population sample, daily time-series analysis was used to test the association between daily mortality and components of PM2.5 measured in downtown Santiago, Chile between 1998 and 2006. The strongest individual effect was seen for element carbon was associated with a relative risk (RR) of 1.08 (95% CI = 1.07-1.09) for total non-accidental mortality. Using factor analysis, a group of elements consistent with a mobile combustion source (carbon monoxide, nitrogen dioxide, elemental and organic carbon was significantly associated with total mortality (RR 1.11; 95% CI = 1.083-1.138). Soil-sourced particles had a weaker but statistically significant mortality effect. Of the many sources of particulate air pollution, those from motor vehicle exhaust had the greatest observed effect on morality.

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收藏

页码：152 / 158

页数：7

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