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首页> 外文期刊>Annals of epidemiology >Modeling Community-level Effects on Preterm Birth.
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Modeling Community-level Effects on Preterm Birth.

机译:模拟社区层面对早产的影响。

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PURPOSE: We demonstrate modeling of community-level socioeconomic influences on risk of preterm birth (< 37 weeks gestation) in the Pregnancy, Infection, and Nutrition (PIN) Study.METHODS: Community-level information from the US Census was linked to 930 White and 817 African-American (Black) participants from a prospective cohort in central North Carolina through geocoded addresses, providing 123 census tracts with community-level and individual-level data for multi-level statistical analyses.RESULTS: Preterm delivery was experienced by 12.1% of Black and 10.4% of White participants. No appreciable aggregation of risk by community was discernable for White women. For Black women, random-coefficient logistic regression tract-specific preterm prevalence estimates ranged from 10.1% to 14.5%, "shrunk" from observed prevalences of 0% to 100%. Adding tract-level variables to the model representing median splits for household income and percent of single women heads of households with dependents, adjusting for individual-level maternal age and household income, accounted for much of the remaining between-tracts variation.CONCLUSIONS: Residing in a wealthier tract (>
机译:目的:我们在妊娠,感染和营养(PIN)研究中证明了社区水平的社会经济影响对早产风险(妊娠<37周)的建模。方法:美国人口普查中的社区水平信息与930 White有关来自北卡罗来纳州中部的一个预期队列的817名非裔美国人(黑人)参与者通过地址进行地理编码,为123个人口普查区提供了社区级和个人级数据,以进行多级统计分析。结果:早产率达到了12.1%黑人和白人参与者的10.4%。对于白人妇女,没有明显的社区风险汇总。对于黑人妇女,随机系数对数回归分析的特定早产患病率估计范围为10.1%至14.5%,“观察到的”患病率从0%至100%“缩小”。在模型中添加代表家庭收入中位数拆分的单轨水平变量和有受抚养人家庭的单身女性户主的百分比,并根据个体水平的产妇年龄和家庭收入进行调整,这构成了剩余的单轨之间的大部分差异。在更富裕的地方(>

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