Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Chronic productive cough in school children: prevalence and associations with asthma and environmental tobacco smoke exposure. | Cough BioMed Central Research Chronic productive cough in school children prevalence and associations with asthma and environmental tobacco smoke exposure Edward R Carter Jason S Debley and Gregory R Redding Open Access Address Department of Pediatrics University of Washington School of Medicine Seattle Washington USA Email Edward R Carter - Jason S Gregory R Redding - Corresponding author Published 27 December 2006 Received 15 August 2006 Cough 2006 2 1 I doi I86 I745-9974-2-II Accepted 27 December 2006 This article is available from http content 2 I I I 2006 Carter et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract_ Background The relationships between chronic productive cough CPC environmental tobacco smoke ETS exposure and asthma are not clearly established in children. Therefore we wished to determine the prevalence of CPC and examine the relationships between CPC ETS exposure and asthma in young teenagers. Methods We performed a cross sectional survey of 2397 Seattle middle school students II-I5 years old using written and video respiratory-symptom questionnaires. We defined CPC as - daily cough productive of phlegm for at least 3 months out of the year current asthma as - yes to Have you had wheezing or whistling in your chest in the past I2 months and yes in the past year to any of the four video wheezing asthma video scenarios and ETS exposure as exposed to tobacco smoke at least several hours each day. We used multilogistic regression to examine relationships between CPC asthma and ETS .
