关键词: 生长发育, 公平性研究, 集中指数, 婴幼儿

Abstract: Objective To evaluate the equity of growth of children aged 0 to 3 years old in rural of China,and to explore the effects of socioeconomic factors on the equity of children′s growth. Methods Information of 2 120 infants and their families in rural Guizhou and Shanxi provinces were collected.The WHO growth standard was used to assess children′s growth.The concentration curve and concentration index were used to assess the equity of children′s growth.Decomposition analysis was used to assess the contribution of socioeconomic factors on the equity of children′s growth. Results The concentration index of stunting,underweight and wasting was -0.1062,-0.1774 and -0.0747,respectively.Most of inequity of stunting came from inequity of region,family economic status and caregiver′s education. Conclusions Government should strengthen efforts in poverty alleviation and provide milk,yingyangbao for the poor children.Government should guarantee the strength and quality of implementation of health management for children under six years old,and should promote the equity of education further.These suggestions above should be able to improve the overall health of children as well as narrow the health difference of children.

Key words: growth, health equity, concentration index, infant