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KMID : 0365220160530010017
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Korean Journal of Public Health
2016 Volume.53 No. 1 p.17 ~ p.26
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Associations of Air Pollution on Asthma Hospitalization in Seoul and Shanghai
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Jeon Woong
Kim Ho
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Abstract
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Objectives: This study intends to analyze the associations of air pollution on asthma hospitalization and healthcare utilization in Seoul and Shanghai using national health insurance data (NHI-Korea health insurance, SHIB-Shanghai health insurance).
Methods: This data were analyzed with a time series design using generalized additive model.
Results: In the season-specific analysis, stronger associations were observed in the fall season for PM10 in Seoul, fall seasons for SO₂, NO₂ in Shanghai. In two-pollutant models, the associations between hospital admission for asthma and PM10 were strong and statistically significant in Seoul regardless of adjustment. Also, the associations between hospital admission for asthma and SO₂, NO₂ were strong after adjustment for PM10 in Shanghai. Lastly this study shows that there is a strong relationship on PM10 in Seoul, SO₂ and NO₂ in shanghai with hospital admission for asthma.
Conclusion: This study shows that outdoor air pollution was associated with increased risk of asthma hospitalization in Seoul and Shanghai. In China especially Shanghai, Gaseous air pollutants (SO₂, NO₂) seemed to have larger effects on asthma hospitalization compared to PM10. In contrast, Seoul, Korea, PM10 had much higher risk on asthma hospitalization than that of SO₂ and NO₂. These results suggested that associations of air pollution on asthma exacerbations should be considered in asthma related policy decisions and resource distributions of public health.
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KEYWORD
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Asthma , Seoul, Shanghai, Pollution, Hospitalization, Generalized Additive model
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