【摘要】 目的　探讨婴幼儿死亡高危人群。方法　应用CHAID方法分析 1997年全国人口与生育健康调查资料。结果　母亲文化程度对婴幼儿生存影响最显著 ,在母亲文化程度低的亚群中 ,村人均年收入低于千元的婴幼儿死亡概率高 ,且女孩高于男孩 ,已有姐姐的女孩死亡风险更高。结论　出生在贫困地区 ,母亲文化程度低 ,且已有姐姐的女孩 ,是死亡高危人群。更多还原

【Abstract】 Objective To explore the characters of which the children at the highest mortality risks.Methods Using CHAID method to analyze the individual data from the 1997 national population and reproductive health survey.Results Among ten demographic variables, the predictor of mothers’ education level makes the most significant difference (smallest p value). For the subgroup whose mothers are illiterate, semiliterate or elementary school educated, mean per capital income is most significant variable. Among the remaining variables, gender makes most significant difference for the below-1000 income subgroup, and the girls having elder sisters have the highest excess mortality risks.Conclusion The children at the highest excess mortality risks are those girls whose mothers are illiterate, semiliterate or elementary school educated, reside in rural areas where mean per capital income is less than 1,000 yuan, and have surviving elder sisters.更多还原