Birth outcomes for African and Caribbean babies in England and Wales: retrospective analysis of routinely collected data.
Birth outcomes for African and Caribbean babies in England and Wales: retrospective analysis of routinely collected data.
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DOI：
10.1136/bmjopen-2012-001088
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发表时间：
2012
期刊：
影响因子：
2.9
通讯作者：
Macfarlane AJ
中科院分区：
文献类型：
--
作者：
Datta-Nemdharry P;Dattani N;Macfarlane AJ
比较2005年或2006年按母亲出生国出生的非洲或加勒比黑人种族活产单胎婴儿的平均出生体重、胎龄和早产和低出生体重的几率。对关联出生登记和婴儿NHS编号数据集的数据进行二次分析。2005年和2006年英格兰和威尔士妇女的生育情况。2005-2006年出生在英格兰和威尔士的非洲和加勒比族裔婴儿，其母亲出生在非洲和加勒比国家或英国。 分析了51599例单胎分娩的分娩结局。出生年龄和出生体重。出生在非洲东部或北方的母亲的婴儿平均胎龄较高（分别为39.38和39.41周），早产几率较低（分别为OR=0.80和0.65），而出生在英国的母亲的婴儿为39.00周。 母亲出生在非洲中部或西部的非洲裔婴儿的平均出生体重分别为3327和3311克。 这明显高于英国出生的母亲的婴儿的平均出生体重3257克。 他们的低出生体重的几率（OR=0.75和0.72，分别）显着降低。母亲出生在加勒比地区的加勒比族裔婴儿的平均出生体重高于母亲出生在英国的婴儿，低出生体重的几率较低。该研究表明，在非洲和加勒比族裔的婴儿中，低出生体重和早产的比率因母亲出生的国家而异。种族和出生国是与围产期健康相关的重要因素，但单独评估它们可能会掩盖类别内出生结局的重要异质性，特别是与非洲种族有关的异质性。应进一步探讨这些差异。通过对母亲的出生国进行分组，分析在英格兰和威尔士出生的非洲裔婴儿的出生体重和胎龄，以确定这些指标在非洲国家组之间是否存在差异。比较母亲出生在英国的非洲黑人或加勒比海种族与母亲出生在加勒比海国家或非洲国家组的非洲黑人或加勒比海种族活产单胎婴儿的平均出生体重和胎龄以及早产和低出生体重的几率。使用英格兰和威尔士单胎活产的相关国家数据，可以将非洲国家群体细分为区域，以评估非洲族裔群体内的异质性。这表明，与在英国出生的同一种族的妇女相比，在非洲或加勒比地区出生的妇女的婴儿的出生体重和胎龄存在差异。利用定期收集的国家数据，能够对大量出生进行分析。将出生登记数据与国民保健系统婴儿数字数据集联系起来，就有可能按母亲的出生国和婴儿的族裔分析出生体重和胎龄。一些潜在的混杂因素，如产次、吸烟、居住时间在数据集中不可用，因为出生登记或通知时未常规收集这些信息。
To compare mean birth weights, gestational ages and odds of preterm birth and low birth weight of live singleton babies of black African or Caribbean ethnicity born in 2005 or 2006 by mother's country of birth. Secondary analysis of data from linked birth registration and NHS Numbers for Babies data set. Births to women in England and Wales in 2005 and 2006. Babies of African and Caribbean ethnicity born in England and Wales in 2005–2006, whose mothers were born in African and Caribbean countries or the UK. Birth outcomes for 51 599 singleton births were analysed. Gestational age and birth weight. Mothers born in Eastern or Northern Africa had babies at higher mean gestational ages (39.38 and 39.41 weeks, respectively) and lower odds of preterm birth (OR=0.80 and 0.65, respectively) compared with 39.00 weeks for babies with mothers born in the UK. Babies of African ethnicity whose mothers were born in Middle or Western Africa had mean birth weights of 3327 and 3311 g, respectively. These were significantly higher than the mean birth weight of 3257 g for babies of the UK-born mothers. Their odds of low birth weight (OR=0.75 and 0.72, respectively) were significantly lower. Babies of Caribbean ethnicity whose mothers were born in the Caribbean had higher mean birth weight and lower odds of low birth weight than those whose mothers were born in the UK. The study shows that in babies of African and Caribbean ethnicity, rates of low birth weight and preterm birth varied by mothers' countries of birth. Ethnicity and country of birth are important factors associated with perinatal health, but assessing them singly can mask important heterogeneity in birth outcomes within categories particularly in relation to African ethnicity. These differences should be explored further. To analyse birth weight and gestational age for babies of African ethnicity born in England and Wales by grouping mothers' countries of birth to see if these differed between groups of African countries. To compare the mean birth weight and gestational age and the odds of preterm birth and low birth weight of live singleton babies of black African or Caribbean ethnicity whose mothers were born in the UK with those whose mothers were born in Caribbean countries or in groups of African countries. Using linked national data on live singleton births in England and Wales enabled African country groups to be subdivided into regions to assess heterogeneity within the African ethnic group. This showed differences between birth weights and gestational ages for babies of women born in Africa or the Caribbean compared with babies of women of the same ethnicities born in the UK. Using routinely collected national data enabled analyses of large numbers of births. Data linkage of birth registration to the NHS Numbers for Babies data set made it possible to analyse birth weight and gestational age by mother's country of birth and baby's ethnicity. Some potential confounders such as parity, smoking, length of residence were not available in the data set as this information is not routinely collected at birth registration or notification.
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