居民住院卫生服务利用影响因素决策树分析

目的了解山东省潍坊市居民住院卫生服务利用现状,并分析其影响因素。方法采用分层随机抽样并进行入户调查;在对资料进行描述性分析的基础上,通过SAS Enterprise Miner软件建立决策树模型,分析居民住院卫生服务利用的影响因素。结果对居民是否利用住院卫生服务建立决策树模型,其对训练集,验证集,测试集有分类错误率分别为4.86%,4.94%,4.94%,按重要性排序筛选出前5位影响因素为是否患慢性病、人均收入、年龄、医疗保险类型和婚姻状况。结论不同人群住院卫生服务利用的影响因素不尽相同。针对不同人群,采用相应政策,降低应住院而未住院的比例,满足居民的住院卫生服务需要。

Use of hospitalization services among residents of Weifang and its influencing factor

ObjectiveTo assess the use of hospitalization services and its influencing factor among the residents of Weifang.MethodsData of the residents health service were collected throngh stratified and random asmpling.A decision tree model was built up with SAS software to analyze the data.ResultsThe misclassification of the training set, the valid set and the test set of the decision tree was 4.86%,4.94%,4.94%,respectively.The study found that the top five factors affecting the hospitalization probability included whether suffering from chronic disseases, the per capita income, age, the foun of medical insurance and marital status.ConclusionDifferentpolicies should be made for differentpopulations to fulfil the need of in-patient health service to the residents.