Asthma and school commuting time.

Journal of Occupational and Environmental Medicine
Rob McConnellKiros T Berhane

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.

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Citations

Jun 28, 2011·American Journal of Respiratory and Critical Care Medicine·Talat IslamRob McConnell
Oct 11, 2013·Environmental Health : a Global Access Science Source·Jun WuRalph J Delfino
Jun 29, 2011·Environmental Health Perspectives·Sandrah P EckelFrank D Gilliland
Aug 14, 2020·The Science of the Total Environment·Xuying MaJennifer Salmond
Jul 19, 2013·Environmental Science & Technology·Lianfa LiRalph J Delfino

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