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KMID : 0387320130230040387
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Korean Journal of Health Policy and Administration
2013 Volume.23 No. 4 p.387 ~ p.396
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Analysis on Factors Relating to External Medical Service Use of Health Insurance Patients Using Spatial Regression Analysis
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Roh Yun-Ho
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Abstract
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Background: The purpose of this study was to analyze the association between areas of Korea Train Express (KTX) region and external medical service use in Korean society using spatial statistical model.
Methods: The data which was used in this study was extracted from 2011 regional health care utilization statistics and health insurance key statistics from National Health Insurance Corporation. A total spatial units of 229 districts (si-gun-gu) were included in this study and spatial area was all parts of the country excepted Jeju, Ulleungdo island. We conducted Kruskal-Wallis test, correlation, Moran’s I and hot-spot analysis. And after, ordinary linear regression, spatial lag, spatial error analysis was performed in order to find factors which were associated with external medical service use. The data was processed by SAS ver. 9.1 and Geoda095i (windows).
Results: Moran’s I of health insurance patients’ external medical service use was 0.644. Also, population density, Seoul region, doctor factors positively associated with health insurance patients’ external medical service. In contrast, average age, health care organization per 100 thousand were negatively associated with health insurance patients’ external medical service use.
Conclusion: The finding of this study suggested that health insurance patient’s external medical service use correlated for seoul region in korea. The study results imply the need for more attention medical needs in the region (si-gun-gu unit) for health insurance patients of seoul region. It is important to adapt strategy to activation of primary health care as well as enhancing public health institution for prevent leakage of patients to other areas.
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KEYWORD
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Korea train express, Spatial analysis, Health insurance patients, Medical service use
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