摘要(英) |
This study analyzes the correlation between air pollutants and Coronary Artery Disease. The empirical data are based on the overall data of Taiwan′s counties from 2010 to 2019. The main data sources are "Statistics of the outpatient visits " and "Statistics on medical expenses" of the Ministry of health and welfare database, and "annual air pollution monitoring data" of the Environmental Protection Administration, Executive Yuan. This study uses OLS regression and fixed effect for empirical analysis. The Dependent variables were Coronary Artery Disease visits per one hundred thousand people and medical expenditures, the independent variables include PM10, SO2, NO2, CO and O3, and the control variables include male, female, population structure and year. The results from OLS regression show that the concentration of PM10 increases by 1μg/?3, SO2 increases by 1 ppb and NO2 increases by 1 ppb have a positive and significant impact on the visit rate of Coronary Artery Disease for per one hundred thousand people, resulting in 25, 467 and 54 visit rate of Coronary Artery Disease for per one hundred thousand people, respectively. However, the concentration of PM10 increases by 1μg/?3 and SO2 increases by 1 ppb will have a positive and significant impact on the medical expenditure of Coronary Artery Disease for per one hundred thousand people, resulting in 769,666 NT dollars and 1,050,000 NT dollars respectively. On the other hand, the fixed effect is roughly the same as the OLS regression estimation results. The results from fixed effect show that the concentration of PM10 increases by 1μg/?3, SO2 increases by 1 ppb and NO2 increases by 1 ppb have a positive and significant impact on the visit rate of Coronary Artery Disease for per one hundred thousand people, resulting in 26, 476 and 55 visit rate of Coronary Artery Disease for per one hundred thousand people respectively. However, the concentration of PM10 increases by 1μg/?3 and SO2 increases by 1 ppb will have a positive and significant impact on the medical expenditure of Coronary Artery Disease for per one hundred thousand people, resulting in 807,199 NT dollars and 1,130,000 NT dollars respectively. |
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