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为了探讨山西省阳城县婴儿死亡率高的原因及其影响因素,特对该地1987年的全部死婴进行了1:1配比病例对照研究。采用条件 Logistic 回归逐步算法、通路分析等方法进行了分析,结果表明:出生窒息、出生体重、母亲孕期健康状况、胎龄、生活事件、产后访视次数、人均居住面积对婴儿死亡有直接作用。家庭人均收入、母亲孕期营养,双胎、分娩方式通过不同的中间环节对婴儿死亡产生间接影响。
In order to investigate the causes and influencing factors of infant mortality in Yangcheng County of Shanxi Province, a 1: 1 case-control study was conducted on all the dead babies in 1987. Logistic regression and conditional logistic regression analysis were used to analyze infant mortality. The results showed that birth asphyxia, birth weight, maternal health status, gestational age, life events, postpartum visits and per capita living space had a direct effect on infant mortality. Per capita income of the family, mother’s nutrition during pregnancy, twins, mode of delivery have an indirect impact on infant mortality through different intermediate links.