Comparing land use regression and dispersion modelling to assess residential exposure to ambient air pollution for epidemiological studies

Kees de Hoogh, Michal Korek, Danielle Vienneau, Menno Keuken, Jaakko Kukkonen, Mark J Nieuwenhuijsen, Chiara Badaloni, Rob Beelen, Andrea Bolignano, Giulia Cesaroni, Marta Cirach Pradas, Josef Cyrys, John Douros, Marloes Eeftens, Francesco Forastiere, Bertil Forsberg, Kateryna Fuks, Ulrike Gehring, Alexandros Gryparis, John GulliverAnna L Hansell, Barbara Hoffmann, Christer Johansson, Sander Jonkers, Leena Kangas, Klea Katsouyanni, Nino Künzli, Timo Lanki, Michael Memmesheimer, Nicolas Moussiopoulos, Lars Modig, Göran Pershagen, Nicole Probst-Hensch, Christian Schindler, Tamara Schikowski, Dorothee Sugiri, Oriol Teixidó, Ming-Yi Tsai, Tarja Yli-Tuomi, Bert Brunekreef, Gerard Hoek, Tom Bellander

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    BACKGROUND: Land-use regression (LUR) and dispersion models (DM) are commonly used for estimating individual air pollution exposure in population studies. Few comparisons have however been made of the performance of these methods.

    OBJECTIVES: Within the European Study of Cohorts for Air Pollution Effects (ESCAPE) we explored the differences between LUR and DM estimates for NO2, PM10 and PM2.5.

    METHODS: The ESCAPE study developed LUR models for outdoor air pollution levels based on a harmonised monitoring campaign. In thirteen ESCAPE study areas we further applied dispersion models. We compared LUR and DM estimates at the residential addresses of participants in 13 cohorts for NO2; 7 for PM10 and 4 for PM2.5. Additionally, we compared the DM estimates with measured concentrations at the 20-40 ESCAPE monitoring sites in each area.

    RESULTS: The median Pearson R (range) correlation coefficients between LUR and DM estimates for the annual average concentrations of NO2, PM10 and PM2.5 were 0.75 (0.19-0.89), 0.39 (0.23-0.66) and 0.29 (0.22-0.81) for 112,971 (13 study areas), 69,591 (7) and 28,519 (4) addresses respectively. The median Pearson R correlation coefficients (range) between DM estimates and ESCAPE measurements were of 0.74 (0.09-0.86) for NO2; 0.58 (0.36-0.88) for PM10 and 0.58 (0.39-0.66) for PM2.5.

    CONCLUSIONS: LUR and dispersion model estimates correlated on average well for NO2 but only moderately for PM10 and PM2.5, with large variability across areas. DM predicted a moderate to large proportion of the measured variation for NO2 but less for PM10 and PM2.5.

    Original languageEnglish
    Pages (from-to)382-92
    Number of pages11
    JournalEnvironment international
    Volume73
    DOIs
    Publication statusPublished - Dec 2014

    Bibliographical note

    Copyright © 2014 Elsevier Ltd. All rights reserved.

    Keywords

    • Land use regression
    • Dispersion modelling
    • Air pollution
    • Exposure
    • Cohort

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