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利用中国社会科学院经济研究所2006年的城镇住户调查数据,对城镇居民基于收入的健康不平等程度进行估计及分解。使用区间回归,将2006年数据所提供的自评健康状况转化为基数性质的健康效用指数,进而对健康不平等程度进行估计,结果表明,2006年城镇居民健康指数的集中指数为0.014。进而对健康的集中指数进行分解,结果显示,收入、教育、就业、性别和年龄结构对健康不平等起到了推动作用,而大城市等变量则能够缓解基于收入的健康不平等程度。
Based on the data of urban household survey conducted by the Institute of Economic Research of Chinese Academy of Social Sciences in 2006, the income inequality of urban residents is estimated and decomposed. Using interval regression, the self-rated health status provided by the data in 2006 was transformed into the cardinal health utility index, and then the health inequality was estimated. The result showed that the concentration index of urban health index in 2006 was 0.014. The results also show that income, education, employment, gender and age structure play a role in promoting health inequality, while variables such as big cities can alleviate the health inequality based on income.