Particulate air pollution and respiratory disease in Anchorage, Alaska

被引:76
作者
Gordian, ME
Ozkaynak, H
Xue, JP
Morris, SS
Spengler, JD
机构
[1] MUNICIPAL ANCHORAGE, DEPT HLTH & HUMAN SERV, ANCHORAGE, AK 99519 USA
[2] HARVARD UNIV, SCH PUBL HLTH, DEPT ENVIRONM HLTH, BOSTON, MA 02115 USA
关键词
asthma; carbon monoxide; morbidity; outpatient visits; particulate pollution; PM(10);
D O I
10.2307/3432887
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This paper examines the associations between average daily particulate matter less than 10 mu m in diameter (PM(10)) and temperature with daily outpatient visits for respiratory disease including asthma, bronchitis, and upper respiratory illness in Anchorage, Alaska, where there are few industrial sources of air pollution. In Anchorage, PM(10) is composed primarily of earth crustal material and volcanic ash. Carbon monoxide is measured only during the winter months. The number of outpatients visits for respiratory diagnoses during the period 1 May 1992 to 1 March 1994 were derived from medical insurance claims for state and municipal employees and their dependents covered by Aetna insurance. The data were filtered to reduce seasonal trends and serial autocorrelation and adjusted for day of the week. The results show that an increase of 10 mu g/m(3) in PM(10) resulted in a 3-6% increase in visits for asthma and a 1-3% increase in visits for upper respiratory diseases. Winter CO concentrations were significantly associated with bronchitis upper respiratory illness, but not with asthma. Winter CO was highly correlated with automobile exhaust emissions. These findings are consistent with the results of previous studies pf particulate pollution in other urban areas and provide evidence that the coarse fraction of PM(10) may affect the health of working people.
引用
收藏
页码:290 / 297
页数:8
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