【摘 要】
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Objective: Evidence for the causes and influencing factors of preterm birth in Tibetan women is scarce.The aim of this study was to investigate the epidemiology and determinants of preterm birth of na
【机 构】
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Department of Epidemiology and Health Statistics, School of Public Health, Xi'an Jiaotong Universit
【出 处】
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中国卫生统计(生物统计)2014学术年会
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Objective: Evidence for the causes and influencing factors of preterm birth in Tibetan women is scarce.The aim of this study was to investigate the epidemiology and determinants of preterm birth of native Tibetan women of reproductive age.Methods: 1418 Tibetan pregnant women aged 15-49 years were followed from 24 weeks of gestation to delivery newborns from 2006-2012.Three Poisson regression models were established to examine the association of preterm birth with selected potential determinants.Model 1 included the physiological factors of the women such as menarche age, menstrual duration and so on.Model 2 included factors in model 1 plus the conditions of pregnancy including BMI of the women, the ponderal index of newborn, the number of pre-preterm birth and so on.Model 3 added the factors including maternal education, the season and the calendar year of pregnancy and so on besides the factors in the model 2.Relative risk (RR) together with 95％ confidence interval (CI) was estimated.
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