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A Conceptual Framework for the Assessment of Cumulative Exposure to Air Pollution at a Fine Spatial Scale

Abstract : Many epidemiological studies examining long-term health effects of exposure to air pollutants have characterized exposure by the outdoor air concentrations at sites that may be distant to subjects' residences at different points in time. The temporal and spatial mobility of subjects and the spatial scale of exposure assessment could thus lead to misclassification in the cumulative exposure estimation. This paper attempts to fill the gap regarding cumulative exposure assessment to air pollution at a fine spatial scale in epidemiological studies investigating long-term health effects. We propose a conceptual framework showing how major difficulties in cumulative long-term exposure assessment could be surmounted. We then illustrate this conceptual model on the case of exposure to NO₂ following two steps: (i) retrospective reconstitution of NO₂ concentrations at a fine spatial scale; and (ii) a novel approach to assigning the time-relevant exposure estimates at the census block level, using all available data on residential mobility throughout a 10- to 20-year period prior to that for which the health events are to be detected. Our conceptual framework is both flexible and convenient for the needs of different epidemiological study designs
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Contributor : Laurent Jonchère Connect in order to contact the contributor
Submitted on : Tuesday, June 8, 2021 - 1:31:02 PM
Last modification on : Wednesday, October 20, 2021 - 3:19:22 AM
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Wahida Kihal-Talantikite, Cindy M. Padilla, Denis Zmirou-Navier, Olivier Blanchard, Geraldine Le Nir, et al.. A Conceptual Framework for the Assessment of Cumulative Exposure to Air Pollution at a Fine Spatial Scale. International Journal of Environmental Research and Public Health, MDPI, 2016, 13 (3), pp.319. ⟨10.3390/ijerph13030319⟩. ⟨hal-01296781⟩



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