多分类有序反应变量logistic逐步回归分析在上海市医疗保险调查中的应用

Logistic Stepwise Regression Analysis on Polytomous Ranked Response Variable and Its Application in Survey Study of Medical Insurance in Shanghai

目的 寻求上海市医疗保险职工意愿自负医疗费用比例的主要影响因素 ,为上海市职工医疗保险制度可持续发展提供制订有关政策的科学依据。方法 多分类有序反应变量的logistic逐步回归分析、SAS统计分析、现场调查、问卷调查等方法被采用。结果 于 2 0 0 1年 6月对上海市 1 2所医院门诊、住院参保病人 2 0 0 0人 ,进行职工意愿自负医疗费用比例及其 1 4个影响因素的调查分析。结论 个人收入、住院费用年均自负能力、门诊费用月均自负能力、职工对医保的态度、医保报销方便程度、医疗服务质量。

Objective To explore the main influence factors on the willing pay proportion of medical expenditure by workers and to provide scientific evidences for laying down the policy about medical insurance in Shanghai.Methods Logistic stepwise regression on polytomous ranked response variable,Statistical Analysis System (SAS),Field survey and questionnaire survey were employed.Results Investigated and analyzed the willing pay proportion of medical expenditure by 2000 workers and its influence factors about medical insurance in 2001 in Shanghai.Conclusion The main influence factors on willing pay proportion of medical expenditure by workers are income,payment ability,the attitude in medical insurance,service quality on medical insurance,and so on.