出生人口性别比失衡的地域差异分析——基于对陕西的调查

出生人口性别比失衡问题从上世纪80年代开始成为陕西人口发展中的一个实际存在的问题．地域差异是其中的一个重要表现。本文为了揭示陕西不同区域的社会环境差异对人口出生性别比失衡的影响．通过问卷抽样的方法，获取陕西关中、陕北、陕南三大区域公众的生育文化和观念差异的第一手资料。从导致出生人口性别比失衡的性别选择角度，根据社会环境-性别选择需要或动机-选择-目标，分析陕西三大地域生育文化的社会环境差异，揭示影响不同区域出生人口性别比作用机制。

Analysis on the Regional Differences of the Unbalance of Sex Ratio at Birth:On the Basis of a Survey in Shaanxi Province

The unbalance of the sex ratio at birth has become a realistically existed problem in the process of population development in Shaanxi, in which the regional differences of the unbalance is an important issue. In order to uncover the impact on sex ratio at birth by the differences of social environment in different regions, this article obtained first hand data of people＇s birth-giving culture and differences d ideas of childbirth in central, northern and southern Shaanxi. From the perspective d sex choosing which leads to the unbalance of sex ratio at birth and according to social envirenment-need of sex choosing or motivation-making choice-aim, the article analyzes the differences d birth-giving culture in terms d social environ- ment in the three regions of Shaanxi, and demonstrates the functioning mechanism which impacts the sex ratio at birth of different regions.