Two counties in different economic levels were chosen, the county B is wealthy, and the county C is poverty. Qualitative method of focus group discussion and key information interviewand quantitative analyse were used to research.

• 选择社会经济水平不同的B县(较富裕)和C县(较贫困)两个县进行调查,以召开专题小组讨论(focus group discussion)和知情者访谈(key informant interview)的定性调查方法为主,结合医院收支、诊疗等方面的定量数据进行分析。