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. 2010 Aug;52(8):827-8.
doi: 10.1097/JOM.0b013e3181ebf1a9.

Asthma and school commuting time

Rob McConnell  1 , Feifei Liu, Jun Wu, Fred Lurmann, John Peters, Kiros Berhane
Affiliations

Asthma and school commuting time

Rob McConnell et al. J Occup Environ Med. 2010 Aug.

Abstract

Objectives: This study examined associations of asthma with school commuting time.

Methods: 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.

Results: 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.

Conclusions: Among asthmatics, severe wheeze was associated with relatively short school commuting times. Further investigation of effects of on-road pollutant exposure is warranted.

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