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Title: Prevalence of asthma and respiratory symptoms in 15–17 year-old Greek-Cypriots by proximity of their community of residence to power plants: Cyprus 2006–07
Authors: Middleton, Nicos 
Kolokotroni, Ourania 
Lamnisos, Demetris 
Koutrakis, Petros 
Yiallouros, Panayiotis K. 
Major Field of Science: Medical and Health Sciences
Field Category: Clinical Medicine
Keywords: Asthma;Respiratory symptoms;ISAAC;Air pollution;Power plants
Issue Date: Mar-2014
Source: Public Health, 2014, vol. 128, no. 3, pp. 288-296
Volume: 128
Issue: 3
Start page: 288
End page: 296
Journal: Journal of Public Health 
Abstract: Objectives :Numerous studies have reported adverse effects of traffic pollution on respiratory health. Exposure to power plants emissions has not been as comprehensively studied. The prevalence of asthma and respiratory symptoms was investigated among 15–17 year-olds in communities in the vicinity of power plants in Cyprus in relation to the rest of the island.Study design.Cross-sectional study.Methods.Based on responses of 5817 participants to the ISAAC questionnaire, study outcomes were: active asthma (i.e. report of asthma and current symptoms), inactive asthma and respiratory symptoms without a diagnosis. Associations in terms of the distance of the participants' community to any of the three power plants were investigated in logistic models before and after adjusting for known confounders.Results :at 7.4% (95% CI: 4.5, 11.3), the prevalence of active asthma in communities at 5 km of power plants appeared elevated but reduced to national levels of 5% at longer distances. Adjusted odds ratio for active asthma was 1.83 (95% CI: 1.04, 3.24) in the 5 km zone compared to 30 km away. No clear pattern was observed for inactive asthma while the odds ratio of respiratory symptoms in the absence of diagnosis was 0.76 (95% CI: 0.58, 1.01) in the affected communities.Conclusions :Higher prevalence of active asthma was observed in the vicinity of power plants, with no evidence of a distance-response relationship. With less than 5% of this age-group residing in close proximity to power plants, this corresponds to a small fraction of active asthma attributable to power plant emissions.
DOI: 10.1016/j.puhe.2013.11.004
Rights: © The Royal Society for Public Health
Type: Article
Affiliation : Cyprus University of Technology 
Harvard School of Public Health 
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