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National Maps of the Effects of Particulate Matter on Mortality : Exploring Geographical Variation

By Zeger, Scott L.

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Book Id: WPLBN0000041349
Format Type: PDF eBook
File Size: 1.0 MB
Reproduction Date: 2005
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Title: National Maps of the Effects of Particulate Matter on Mortality : Exploring Geographical Variation  
Author: Zeger, Scott L.
Volume:
Language: English
Subject: Government publications, United Nations., United Nations. Office for Disarmament Affairs
Collections: Government Library Collection, Disarmament Documents
Historic
Publication Date:
Publisher: United Nations- Office for Disarmament Affairs (Unoda)

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Zeger, S. L. (n.d.). National Maps of the Effects of Particulate Matter on Mortality : Exploring Geographical Variation. Retrieved from http://worldpubliclibrary.org/


Description
Government Reference Publication

Excerpt
Excerpt: In this paper, we present national maps of relative rates of mortality associated with short-term exposure to particulate matter < 10 micrometer in aerodynamic diameter (PM10). We report results for 88 of the largest metropolitan areas in the United States from 1987 to 1994 for all-cause mortality, combined cardiovascular and respiratory deaths, and other causes of mortality. Maximum likelihood estimates of the relative rate of mortality associated with PM10 and the degree of statistical uncertainty were obtained for each of the 88 cities by fitting a separate log-linear regression of the daily mortality rate on air pollution level and potential confounders. We obtained Bayesian estimates of the relative rates by fitting a hierarchical model that takes into account spatial correlation among the true city-specific relative rates. We found that daily variations of PM10 are positively cular and respiratory mortality associated with PM10 are larger on average than the relative rate estimates of all-cause and other-cause mortality. The estimated increase in the relative rate of death from cardiovascular and respiratory mortality, all-cause mortality, and other-cause mortality 0.13% (95% posterior interval, ?0.05 to 0.29), respectively. Bayesian estimates of the city-specific relative rates ranged from 0.23% to 0.35% for cardiovascular and respiratory mortality, from 0.18% to 0.27% for all causes, and from 0.10% to 0.20% for other causes of mortality. The spatial characterization of effects across cities offers the potential to identify factors that could influence the effect of PM10 on health, including particle characteristics, offering insights into mechanisms by which PM10 causes adverse health effects. Key words: air pollution, Bayesian methods, hierarchical models, particulate matter, relative rate, spatial smoothing.

 

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