American Journal of Epidemiology Vol. 152, No. 5 : 407-412
Copyright © 2000 by The Johns Hopkins University School of Hygiene and Public Health
ORIGINAL CONTRIBUTIONS |
Invited Commentary: Particulate Matter-Mortality Exposure-Response Relations and Threshold
From the Brigham Young University, Provo, UT.
Abbreviations: PM, particulate matter air pollution.
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INTRODUCTION |
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In this issue of the Journal, Daniels et al. (1
) report an analysis of the shape of the exposure-response relation between daily concentrations of particulate matter air pollution (PM) and mortality. They provide additional epidemiologic evidence of the absence of a population-based "no-effects" threshold level for PM within relevant ranges of exposure. Their results suggest that the PM-mortality exposure-response relation is near linear, with mortality risk occurring even at concentrations below current regulatory levels. This analysis is the latest of several important contributions to the literature on particuate matter and mortality by Samet, Zeger, and various colleagues.
In the early 1990s, following the publications of several studies that suggested a link between daily mortality and PM pollution at relatively low concentrations (2–7), Samet and others argued that the findings could not be adequately interpreted and they encouraged new studies (8). Samet and Zeger then led
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LITERATURE DEVELOPMENT |
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Early episode studies
Early time-series studies
Poisson regression, quintile plots, and nonparametric smoothing
Publication bias and measurement error
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CURRENT MULTICITY STUDIES |
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RESPONSE TO LONGER-TERM PM EXPOSURE |
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CONCLUSIONS |
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NOTES |
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REFERENCES |
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CiteULike 
Connotea 
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Related articles in Am. J. Epidemiol.:
- Estimating Particulate Matter-Mortality Dose-Response Curves and Threshold Levels: An Analysis of Daily Time-Series for the 20 Largest US Cities
- Michael J. Daniels, Francesca Dominici, Jonathan M. Samet, and Scott L. Zeger
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