The association between air pollution and childhood asthma: United States, 2010–2015
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The association between air pollution and childhood asthma: United States, 2010–2015

Filetype[PDF-732.53 KB]


  • English
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    Details:

    • Alternative Title:
      J Asthma
    • Personal Author:
    • Description:
      Objective:

      The current population-based study examines the association between county-level ambient air pollution and childhood asthma.

      Methods:

      Data from the nationally representative 2010–2015 National Health Interview Survey were linked to nationwide fine particulate matter (PM2.5) air pollution data at the county-level from the National Environmental Public Health Tracking Network which utilizes air quality monitoring stations and modeled PM2.5 measurements (Downscaler model data) and adjusted by county-level socioeconomic characteristics data from the 2010–2015 American Community Survey. Multilevel modeling techniques were used to assess the association between PM2.5 annual concentrations (quartiles < 8.11, 8.11–9.50, 9.51–10.59, ≥ 10.60 μg/m3) and current childhood asthma along with two asthma outcomes (episode in the past year, emergency room (ER) visit due to asthma).

      Results:

      From 2010–2015, there were significant declines in PM2.5 concentrations and asthma outcomes. In unadjusted models, children living in areas with higher PM2.5 concentrations were more likely to have current asthma, ≥1 asthma episode in the past year, and ≥1 ER visit due to asthma compared with children living in areas with the lowest quartile (< 8.11 μg/m3). After adjusting for characteristics at the county, geographic, and child and family-level, significant associations remained for asthma episode, and ER visit among children living in areas with PM2.5 annual concentrations between 9.51–10.59 μg/m3 (3rd quartile) compared with children living in areas with the lowest quartile.

      Conclusions:

      This study adds to the limited literature by incorporating nationally representative county-, child-, and family-level data to provide a multi-level analysis of the associations between air pollution and childhood asthma in the U.S.

    • Subjects:
    • Keywords:
    • Source:
      J Asthma. 59(10):2069-2080
    • Pubmed ID:
      34587862
    • Pubmed Central ID:
      PMC9148369
    • Document Type:
      Journal Article
    • Funding:
      CC999999/ImCDC/Intramural CDC HHSUnited States/
    • Name as Subject:
      National Health Interview Survey (U.S.)
    • Place as Subject:
      United States
    • Collection(s):
    • Main Document Checksum:
    • Download URL:
    • File Type:

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