Outdoor air pollution and the burden of childhood asthma across Europe

Khreis, Haneen and Cirach, Marta and Mueller, Natalie and de Hoogh, Kees and Hoek, Gerard and Nieuwenhuijsen, Mark J. and Rojas-Rueda, David. (2019) Outdoor air pollution and the burden of childhood asthma across Europe. The European respiratory journal, 54 (4). p. 1802194.

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Official URL: https://edoc.unibas.ch/72952/

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Emerging evidence suggests that air pollution may contribute to childhood asthma development. We estimated the burden of incident childhood asthma that may be attributable to outdoor nitrogen dioxide (NO; 2; ), particulate matter ≤2.5 µm in diameter (PM; 2.5; ) and black carbon (BC) in Europe.; We combined country-level childhood incidence rates and pooled exposure-response functions with childhood (age 1-14 years) population counts, and exposure estimates at 1 540 386 1 km×1 km cells, across 18 European countries and 63 442 419 children. Annual average pollutant concentrations were obtained from a validated and harmonised European land-use regression model. We investigated two exposure reduction scenarios. For the first, we used recommended annual World Health Organization (WHO) air quality guideline values. For the second, we used the minimum air pollution levels recorded across 41 studies in the underlying meta-analysis.; NO; 2; ranged from 1.4 to 70.0 µg·m; -3; , with a mean of 11.8 µg·m; -3; . PM; 2.5; ranged from 2.0 to 41.1 µg·m; -3; , with a mean of 11.6 µg·m; -3; . BC ranged from 0.003 to 3.7×10; -5; m; -1; , with a mean of 1.0×10; -5; m; -1; . Compliance with the NO; 2; and PM; 2.5; WHO guidelines was estimated to prevent 2434 (0.4%) and 66 567 (11%) incident cases, respectively. Meeting the minimum air pollution levels for NO; 2; (1.5 µg·m; -3; ), PM; 2.5; (0.4 µg·m; -3; ) and BC (0.4×10; -5; m; -1; ) was estimated to prevent 135 257 (23%), 191 883 (33%) and 89 191 (15%) incident cases, respectively.; A significant proportion of childhood asthma cases may be attributable to outdoor air pollution and these cases could be prevented. Our estimates underline an urgent need to reduce children's exposure to air pollution.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Environmental Exposures and Health > Physical Hazards and Health (Röösli)
UniBasel Contributors:de Hoogh, Kees
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:02 Dec 2019 16:01
Deposited On:02 Dec 2019 16:01

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