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目的了解无锡市住院分娩新生儿出生人口性别比特征及其影响因素,为长期研究奠定基础。方法采用描述性研究方法,收集无锡市2008-2012年所有产科医院分娩新生儿的登记信息,分析出生人口性别比特征。结果无锡市2008-2012年住院分娩新生儿的平均出生人口性别比达到112.42,流动人口出生人口性别比高于本地人口,平均出生人口性别比随产母年龄增加而增加(108.03~123.99)(趋势检验P<0.05),尤其是>30岁以上年龄组(>117.87)。Logistic单因素回归分析显示:流动人口、产妇年龄≥30岁、产次≥2以及剖宫产可能是影响出生人口性别比增高的因素(P<0.001)。结论无锡市出生人口性别比偏高,需采取措施提高监测质量,以提高出生人口素质。
Objective To understand the sex ratio of newborns born in hospital in Wuxi and its influencing factors, and to lay the foundation for long-term research. Methods A descriptive method was used to collect the registration information of newborn infants born in all obstetrics and gynecology hospitals in Wuxi from 2008 to 2012 and analyze the sex ratio at birth. Results The average sex ratio of newborns in hospitalized delivery from 2008 to 2012 in Wuxi was 112.42. The sex ratio at birth among floating population was higher than that among local population. The average sex ratio at birth increased with the age of mother (108.03-123.99) (trend Test P <0.05), especially> over the age group of 30 (> 117.87). Logistic regression analysis showed that the floating population, maternal age ≥30 years, parity ≥2, and cesarean section may be the factors influencing the sex ratio at birth (P <0.001). Conclusion The sex ratio at birth in Wuxi is high, and measures need to be taken to improve the quality of monitoring in order to improve the quality of the birth population.