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논문 기본 정보

자료유형
학술저널
저자정보
Minjae Park (Hongik University)
저널정보
한국신뢰성학회 International Journal of Reliability and Applications International Journal of Reliability and Applications 제20권 제1호
발행연도
2019.6
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1 - 15 (15page)

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In this paper, we present generalized models to evaluate the daily mortality rates considering five major air pollutants affects including particulate matter <10 μm in aerodynamic diameter (PM<SUB>10</SUB>), carbon monoxide (CO), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and ozone (O₃) based on data from Seoul, South Korea (1999~2003) using generalized additive models. Stepwise function is used to find the best fit of generalized additive models. Despite much research on air pollutants with meteorological effects on daily death tolls, there has been little research assuming that air pollutants have non-linear relationships with daily death toll. To estimate the non-linear relationships between air pollutants and daily death tolls, we separate total data into training data and testing data and conduct cross validation. Using generalized additive models and generalized linear models, we determine the best fitting models with minimum Akaike Information Criterion. Seasonal factors are also considered. By sensitivity analysis, we investigate and measure how each air pollutant affects daily mortality rates. In all seasons, CO and SO₂ have nonlinear associations with daily death tolls. PM<SUB>10</SUB> (RR=1.0027 for IQR 41.54 μg / m³ increment) doesn’t have a strong association with mortality rates and NO₂ (RR=1.0108 for IQR 17.29 increment) is only weakly associated with mortality.

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Abstract
1. INTRODUCTION
2. MATERIALS AND METHODS
3. RESULTS
4. CONCLUDING REMARKS
REFERENCES

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