Association of Low-Level Ozone and Fine Particles With Respiratory Symptoms in Children With Asthma
Gent JF, Triche EW, Holford TR, Belanger K, Bracken MB, Beckett WS, Leaderer BP. Association of Low-Level Ozone and Fine Particles With Respiratory Symptoms in Children With Asthma. JAMA 2003, 290: 1859-1867. PMID: 14532314, DOI: 10.1001/jama.290.14.1859.Peer-Reviewed Original ResearchConceptsRescue medication useRespiratory symptomsDaily respiratory symptomsMedication useMaintenance medicationLikelihood of wheezeShortness of breathLogistic regression analysisRescue medicationChest tightnessActive asthmaAsthmatic childrenMedication usersRisk factorsAsthmaMedicationsSymptomsMean levelsSubject's motherChildrenRegression analysisAssociationExposureMothersHigh levels