Daily Mortality and Air Pollution along Busy Streets in Amsterdam, 1987-1998

Time-series studies on the association between daily mortality and air pollution levels have been criticized because they use background air pollution measurement sites to estimate exposure of the whole population, including those living along busy roads. To evaluate whether the exposure of people l...

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Bibliographic Details
Published in:Epidemiology (Cambridge, Mass.) Mass.), 2001-11, Vol.12 (6), p.649-653
Main Authors: Roemer, Willem H., van Wijnen, Joop H.
Format: Article
Language:English
Subjects:
Air
Air pollution
Air Pollution - adverse effects
Air Pollution - analysis
Biological and medical sciences
Carbon Monoxide - adverse effects
Carbon Monoxide - analysis
Environmental Exposure - adverse effects
Environmental Exposure - analysis
Environmental pollutants toxicology
Humans
Medical sciences
Mortality
Netherlands - epidemiology
Nitrogen
Nitrogen Dioxide - adverse effects
Nitrogen Dioxide - analysis
Nitrogen Oxides - adverse effects
Nitrogen Oxides - analysis
Ozone - adverse effects
Ozone - analysis
Population estimates
Regression Analysis
Seasons
Sensitivity and Specificity
Smog
Smoke
Sulfur Dioxide - adverse effects
Sulfur Dioxide - analysis
Summer
Time series
Toxicology
Traffic
Traffic estimation
Vehicle Emissions - adverse effects
Winter
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Summary:Time-series studies on the association between daily mortality and air pollution levels have been criticized because they use background air pollution measurement sites to estimate exposure of the whole population, including those living along busy roads. To evaluate whether the exposure of people living along busy roads is estimated with error, we calculated separate effect estimates with separate exposure estimates using background and traffic-influenced measurement stations. We used Poisson regression analysis with generalized additive models to correct for long-term trends, influenza, ambient temperature and relative humidity, and day of the week. Black smoke and nitrogen dioxide were associated with mortality (relative risk of 1.38 and 1.10, respectively, for an increase of 100 μ g/ m3on the previous day). Effect estimates were larger in the summer and in the population living along busy roads. Effect estimates were also larger using background stations rather than traffic stations. Overall, we found differences in the association between mortality and air pollution using different methods of exposure assessment; these differences are attributable to exposure misclassification for populations living along busy roads.
ISSN:1044-3983
1531-5487
DOI:10.1097/00001648-200111000-00012