Indoor air and respiratory health in preadolescent children |
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| Institution: | 1. School of Chemical Engineering, National Technical University of Athens, GR 15780, Greece;2. Department of Hygiene, Epidemiology and Medical Statistics, National and Kapodistrian University of Athens, School of Medicine, 75, Mikras Asias Street, 115 27 Athens, Greece;3. Pulmonary Department, G. Papanikolaou Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece;4. 2nd Pulmonary Department, “ATTIKON” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece;5. Department of Primary Care & Public Health Sciences and MRC-PHE Centre for Environment and Health, King''s College London, London, UK;1. Healthy High Density Cities Lab, HKUrbanLab, The University of Hong Kong, Knowles Building, Pokfulam Road, Pokfulam, Hong Kong, China;2. Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China;3. School of Public Health, The University of Hong Kong, Patrick Mason Building, Sassoon Road, Pokfulam, Hong Kong, China |
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| Abstract: | The effect of indoor exposure to nitrogen dioxide, ammonia, particulate matter and parental tobacco smoke on respiratory health was studied over a period of six months in all second graders born and living in two area of continental Croatia 8–10 yr of age. The study group was divided into two sections corresponding to area of residence (industrial/rural). Information on respiratory symptoms was collected from a self-administered questionnaire completed by the parents of the children. The mean values of concentrations of indoor air pollution that had been recorded in 24-h samples of air collected at schools were mostly below threshold limit for ambient pollution. In addition, information on parental smoking, the density of habitation and the type of fuel used for heating and/or cooking in the home was obtained by a questionnaire. In the investigated period the prevalence of respiratory illness was 22% in the children exposed to lower indoor air pollution and 25% in those exposed to higher indoor air pollution. Exposure to parental smoking was also associated with more respiratory symptoms (28 : 19%). The results indicate that the measured air pollutants only had a slight effect on the respiratory health of preadolescent children. However, the effect of exposure to parental smoking was more pronounced. |
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