Prevalence of children's allergic diseases in Ulsan: Local differences and environmental risk factors

摘要: This study aims to investigate the AD (asthma, allergic rhinitis and atopic dermatitis) prevalence for elementary schoolchildren in an industrial city of Ulsan, Korea identify major environmental risk factors associated with prevalence. Data on physician-diagnosed past 12 months potential were collected by a questionnaire including ISAAC core questions from 2009–2010 survey 4,067 (1st-6th grade) living different urban environments. Exposure outdoor air pollution was estimated using annual mean concentrations pollutants (PM10, O 3 , NO 2 SO CO) obtained monitoring sites near participant's residence. Our results showed that rate ranged between 26.2% 35.9%. Children polluted areas (near central areas) had about 10% higher than those coastal or suburban residences. The Chi-Square test demonstrated this local difference statistically significant before after adjustment confounder such as parental history education. logistic regression analysis current significantly independently socio-economic indices indoor/outdoor factors. Statistically association several (ventilation winter, odor condition exposure traffic smoke, PM10/O pollution) found multivariate model adjusting confounders. adjusted odd ratios 1.24 (95% CI: 1.03–1.49) 1.79 1.17–2.75) increase PM10 level 10 μg m−3 ppb, respectively. Although there should be other AD, these suggest area high levels can contribute increased childhood AD.