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KMID : 1156220170430060478
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Journal of Environmental Health Sciences
2017 Volume.43 No. 6 p.478 ~ p.490
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Change in the Prevalence of Allergic Diseases and its Association with Air Pollution in Major Cities of Korea - Population under 19 Years Old in Different Land-use Areas -
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Lee Ji-Ho
Oh In-Bo
Kim Min-Ho
Bang Jin-Hee
Park Sang-Jin
Yun Seok-Hyeon
Kim Yang-Ho
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Abstract
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Objectives: The association of air pollution levels and land-use types with changes in the prevalence of allergic diseases (allergic conjunctivitis, allergic rhinitis, asthma, and atopic dermatitis) was investigated for seven metropolitan cities in Korea.
Methods: Data on daily hospital visits and admissions (of those under 19 years old) for 2003-2012 were obtained from the National Health Insurance Cooperation. Meteorological data on daily mean temperature, humidity, and air pressure were obtained from the Korea Meteorological Administration. Daily mean or maximum concentration data for five pollutants (PM 10 , O3, NO2, SO2, and CO) as measured at air quality monitoring sites operated by the Ministry of Environment were used. We estimated excess risk and 95% confidence intervals for the increasing interquatile range (IQR) of each air pollutant using Generalized Additive Models (GAM) appropriate for time series analysis.
Results: In this study, we observed a significant association between the IQR increases of air pollutants and the prevalence risk of allergic diseases (allergic conjunctivitis, allergic rhinitis, asthma, and atopic dermatitis) in all metropolitan cities after adjusting for temperature, humidity, and air pressure at sea level. Among the air pollutants, NO2 and PM10 were associated with the prevalence of asthma, and O3 was associated with only allergic conjunctivitis in regression analysis. However, in GAM analysis considering land-use, O3 and SO2 were associated with allergic conjunctivitis, PM10, O3, NO2, and CO were associated with allergic rhinitis, and PM 10 , O3 and NO2 were associated with asthma in industrial area.
Conclusion: This study found a significant association between air pollution and the prevalence of allergic related diseases in industrial areas. More detailed research considering mixed traffic-related air pollution (TRAP) and conducting meta-analyses combining data of the all cities is required.
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KEYWORD
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Air pollutants, allergic diseases, land use, prevalence
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