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Papers

Respiratory health effects among schoolchildren and their relationship to air pollutants in Korea

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Pages 31-48 | Received 24 Jan 2008, Accepted 13 May 2008, Published online: 25 Feb 2009
 

Abstract

The objective of this study is to investigate the relationship between five air pollutants (PM10, SO2, NO2, O3, CO) measured on the daily basis, and adverse health symptoms using epidemiological surveillance data. The generalized estimated equation (GEE) model, a logistic regression analysis model, was used to estimate the effects of air pollution on children's daily health symptoms, focusing on the morbidity including both respiratory and allergic symptoms in four different cities. Analysis of the effects of each pollutant on children's respiratory and allergic symptoms demonstrated that CO affected all symptoms in all the study areas. When the concentration of SO2 and NO2 was elevated, upper respiratory symptoms increased significantly. In contrast, when the concentration of O3 rose, the symptoms decreased significantly. The relationship between measured concentrations and health symptoms was site-dependent for each pollutant.

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