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Your Environment. Your Health.

Publication Detail

Title: Asthma and school commuting time.

Authors: McConnell, Rob; Liu, Feifei; Wu, Jun; Lurmann, Fred; Peters, John; Berhane, Kiros

Published In J Occup Environ Med, (2010 Aug)

Abstract: This study examined associations of asthma with school commuting time.Time on likely school commute route was used as a proxy for on-road air pollution exposure among 4741 elementary school children at enrollment into the Children's Health Study. Lifetime asthma and severe wheeze (including multiple attacks, nocturnal, or with shortness of breath) were reported by parents.In asthmatic children, severe wheeze was associated with commuting time (odds ratio, 1.54 across the 9-minute 5% to 95% exposure distribution; 95% confidence interval, 1.01 to 2.36). The association was stronger in analysis restricted to asthmatic children with commuting times 5 minutes or longer (odds ratio, 1.97; 95% confidence interval, 1.02 to 3.77). No significant associations were observed with asthma prevalence.Among asthmatics, severe wheeze was associated with relatively short school commuting times. Further investigation of effects of on-road pollutant exposure is warranted.

PubMed ID: 20657304 Exiting the NIEHS site

MeSH Terms: Air Pollution/adverse effects*; Asthma/epidemiology*; Asthma/etiology; California/epidemiology; Child; Child, Preschool; Female; Humans; Male; Odds Ratio; Prevalence; Time Factors; Transportation*; Vehicle Emissions

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