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目的:了解调查人群早产儿的发生情况及影响因素,为制定干预措施提供依据。方法:采用横断面调查,在西城区7个街道调查2 960例已分娩妇女的新生儿出生情况及父母双方危险因素的接触情况,采用单因素分析和Logistic回归分析进行统计处理,探讨早产儿发生的危险因素。结果:早产儿发生率为3.6%。经单因素卡方检验,母亲孕前偏食、孕前或孕期患有高血压、孕期有先兆流产症状及剖宫产者早产儿的发生率高,差异具有统计学意义(P<0.05)。Logistic回归分析结果显示,母亲生育年龄较大(OR=1.060)、母亲孕前偏食(OR=2.059),孕期有先兆流产症状(OR=5.217)均是早产儿的危险因素。结论:调查人群早产儿发生率较低;早产儿的发生受多因素影响,与母亲孕前及孕期危险因素接触情况有关,应采取综合干预措施预防早产。
OBJECTIVE: To understand the occurrence and influencing factors of preterm infants in the survey population and provide the basis for formulating intervention measures. Methods: A cross-sectional survey was conducted to investigate the neonatal births of 2 960 women who had given birth and the risk factors of their parents in 7 streets in Xicheng District. The unilateral factor analysis and Logistic regression analysis were used to investigate the incidence of premature infants Risk factors. Results: The incidence of premature children was 3.6%. The univariate analysis showed that the mothers had partial eclipse before pregnancy, high blood pressure before or during pregnancy, high incidence of threatened abortion and premature infants with cesarean section during pregnancy (P <0.05). Logistic regression analysis showed that maternal age at birth was significantly higher (OR = 1.060), maternal partial eclipse before pregnancy (OR = 2.059) and threatened abortion during pregnancy (OR = 5.217) were all risk factors for preterm birth. Conclusions: The incidence of premature infants in the survey population is low. The incidence of premature infants is affected by many factors, which are related to the exposure of the mother to the risk factors before and during pregnancy. Comprehensive intervention measures should be taken to prevent preterm birth.