多水平模型在妊娠期体重指数增长模式中的应用  

The Application of Multilevel Model in the Increasing Pattern of Body Mass Index during Pregnancy

作　　者：曹静[1] 胡晓吟[2] 刘兴会[2] 潘晓平 

机构地区：[1]四川省妇幼保健院信息科,610031 [2]四川大学华西第二医院妇产科 [3]中国疾控中心妇幼信息中心

出　　处：《中国卫生统计》2011年第5期485-487,共3页Chinese Journal of Health Statistics

摘　　要：目的了解妊娠期孕妇的基本状况,通过建立孕期体重指数增长模型,预测出孕妇的孕期体重指数,为产科医生和孕妇控制孕期体重,避免并发症提供科学依据。方法利用2006年7月1日至2007年6月30日于华西第二医院进行产前检查并分娩的产科病历资料,描述孕妇孕期体重指数的变化情况,应用组内相关系数对资料的层次结构进行判定,根据判定结果拟合孕期体重指数增长的两水平模型。结果筛选获得的正常孕妇共1103例,重复测量两水平模型分析结果表明影响孕期体重指数增长的因素包括孕前体重指数、年龄及孕周。结论应用多水平模型,可建立不同年龄、孕前体重指数孕妇的孕期体重指数增长模式,为妊娠期保健提供依据。Objective To explore the basic situation of normal pregnant women in Maternity and Infant Hospital of Sichuan University.To determine the influence factors on the body mass index of the pregnancies and to gain the reference value for body mass index of the pregnant women during pregnancies.Methods Base on the data of pregnant women who had taken prenatal examination and had had delivery from Maternity and Infant Hospital of Sichuan University during July 1,2006 to June 30,2007.Intra-class correlation was used to judge whether the data is hierarchically structure or not.Repeated measurement multilevel model was used to explore the influence factors of maternal pregnancy body mass index.Results 1103 cases of normal pregnant women were selectd according to the standard.The result of multilevel model show that the body mass index before pregnant,the week and the age were the main influence factors in body mass index of pregnant.The interaction between the age and the pregnant week was not significant.Conclusion It has important significance in guide lining of health care during pregnant to build the reference value of body mass index for different types of pregnant women in their different pregnancy periods.

关 键 词：体重指数 妊娠期 多水平 影响因素 

分 类 号：R172[医药卫生—妇幼卫生保健]