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Modeling Hospitalization Decision and Utilization for the Elderly in China
Discrete Dynamics in Nature and Society ( IF 1.3 ) Pub Date : 2021-07-01 , DOI: 10.1155/2021/4878442 Xin Xu 1 , Dongxiao Chu 1
Discrete Dynamics in Nature and Society ( IF 1.3 ) Pub Date : 2021-07-01 , DOI: 10.1155/2021/4878442 Xin Xu 1 , Dongxiao Chu 1
Affiliation
Getting medical services has become more difficult and expensive in China, which led to a problem of illness not being treated and a large number of zeros in the statistics of being hospitalized for the elderly. Traditional classic models such as the Poisson model and the negative binomial model cannot fit this kind of data well. One aim of this study was to use zero-inflated and hurdle models to better solve the problem of excess zeros. Another aim was to discover the factors affecting the decision-making behavior of the elderly being hospitalized and hospitalization service utilization. Therefore, the XGBoost model was firstly introduced to rank the importance of influencing factors in this paper. It was found that the zero-inflated negative binomial model performed best. The results showed that the elderly who had enjoyed NRCM or ERBMI/URBMI were more likely to have a higher number of hospitalizations. This indicated that the high cost of hospitalization had prevented the willingness of the elderly being hospitalized, but the basic medical insurance had increased the times of their repeated hospital readmissions. Policy efforts should be made to improve the level of basic medical insurance.
更新日期：2021-07-01
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