Ambient air toxics and asthma prevalence among a representative sample of US kindergarten-age children

Criteria pollutants have been associated with exacerbation of children's asthma, but the role of air toxics in relation to asthma is less clear. Our objective was to evaluate whether exposure to outdoor air toxics in early childhood increased asthma risk or severity. Air toxics exposure was est...

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Bibliographic Details
Published in:PloS one 2013-09, Vol.8 (9), p.e75176
Main Authors: Stoner, Alexis M, Anderson, Sarah E, Buckley, Timothy J
Format: Article
Language:English
Subjects:
Age
Air Pollutants - toxicity
Air pollution
Air Pollution - adverse effects
Analysis
Asthma
Asthma - chemically induced
Asthma - epidemiology
Cancer
Child
Child, Preschool
Childhood asthma
Children
Correlation analysis
Design
Diesel
Emergency medical care
Emergency medical services
Environmental equity
Environmental health
Environmental justice
Environmental protection
Exposure
Female
Gasoline - toxicity
Health care
Health hazards
Health risk assessment
Health sciences
Hospitalization
Humans
Income
Kindergarten
Male
Maternal & child health
Minority & ethnic groups
Outdoor
Outdoor air quality
Pollutants
Polycyclic aromatic hydrocarbons
Prevalence
Public health
Regression analysis
Regression models
Rural areas
Studies
Tobacco
United States - epidemiology
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Summary:Criteria pollutants have been associated with exacerbation of children's asthma, but the role of air toxics in relation to asthma is less clear. Our objective was to evaluate whether exposure to outdoor air toxics in early childhood increased asthma risk or severity. Air toxics exposure was estimated using the 2002 National Air toxics Assessment (NATA) and linked to longitudinal data (n=6950) from a representative sample of US children born in 2001 and followed through kindergarten-age in the Early Child Longitudinal Study-Birth Cohort (ECLS-B). Overall, 17.7% of 5.5 year-olds had ever been told by a healthcare professional they had asthma, and 6.8% had been hospitalized or visited an emergency room for an asthma attack. Higher rates of asthma were observed among boys (20.1%), low-income (24.8%), and non-Hispanic black children (30.0%) (p≤0.05). Air toxics exposure was greater for minority race/ethnicity (p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0075176