The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2017
Short birth-to-pregnancy intervals among African-born black women in Washington State.
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Zhang Ying, Quist Anton, Enquobahrie Daniel
Аннотация
BACKGROUND: Short birth-to-pregnancy intervals have been associated with adverse perinatal outcomes. Racial disparities in short birth-to-pregnancy intervals and adverse perinatal outcomes are also well known. However, little is known about birth-to-pregnancy intervals among African-born black women in the US and risk factors that contribute to short birth-to-pregnancy intervals in this population.
OBJECTIVES: To investigate the risk and associated risk factors of short birth-to-pregnancy intervals among African-born black women in Washington State.
STUDY DESIGN: A retrospective cohort study using data from linked birth certificate and hospital discharge records for 18,984 consecutive, singleton birth pairs (1992-2013) to African-born black (n = 3312), US-born white (n = 7839), and US-born black women (n = 7833) in Washington State. Logistic regression models were used to determine adjusted odds ratios (aOR) and 95% confidence intervals (CI).
RESULTS: Women with short birth-to-pregnancy intervals (<6 months) comprised 10.0% of African-born women, 4.3% of US-born white women, and 6.8% of US-born black women. African-born black women had 3-fold (aOR 3.44; 95%CI: 2.53-4.68) and 1.5-fold (aOR 1.49; 95%CI: 1.28-1.74) higher risk of short birth-to-pregnancy intervals compared with US-born white women and US-born black women, respectively. Among African-born black women, those born in East Africa (aOR 3.17; 95%CI: 1.92, 5.24) had higher odds of short birth-to-pregnancy intervals compared with those born in other regions of Africa. Maternal age ≥35 years old (aOR 0.59; 95%CI: 0.35, 0.98), multiparity (aOR 0.73; 95%CI: 0.54-0.98), > 12 years education (aOR 0.52; 95%CI: 0.38-0.71), and cesarean delivery in prior births (aOR 0.61; 95%CI: 0.44-0.84) were associated with lower odds of short birth-to-pregnancy intervals among African-born black women.
CONCLUSIONS: African-born black women have higher risk for short birth-to-pregnancy intervals compared with US-born white and black women. Several risk factors (age, parity, education, and prior delivery type) contribute to short birth-to-pregnancy intervals among African-born black women. Future studies may inform our understanding of factors affecting pregnancy spacing and family planning strategies among African-born black women.
OBJECTIVES: To investigate the risk and associated risk factors of short birth-to-pregnancy intervals among African-born black women in Washington State.
STUDY DESIGN: A retrospective cohort study using data from linked birth certificate and hospital discharge records for 18,984 consecutive, singleton birth pairs (1992-2013) to African-born black (n = 3312), US-born white (n = 7839), and US-born black women (n = 7833) in Washington State. Logistic regression models were used to determine adjusted odds ratios (aOR) and 95% confidence intervals (CI).
RESULTS: Women with short birth-to-pregnancy intervals (<6 months) comprised 10.0% of African-born women, 4.3% of US-born white women, and 6.8% of US-born black women. African-born black women had 3-fold (aOR 3.44; 95%CI: 2.53-4.68) and 1.5-fold (aOR 1.49; 95%CI: 1.28-1.74) higher risk of short birth-to-pregnancy intervals compared with US-born white women and US-born black women, respectively. Among African-born black women, those born in East Africa (aOR 3.17; 95%CI: 1.92, 5.24) had higher odds of short birth-to-pregnancy intervals compared with those born in other regions of Africa. Maternal age ≥35 years old (aOR 0.59; 95%CI: 0.35, 0.98), multiparity (aOR 0.73; 95%CI: 0.54-0.98), > 12 years education (aOR 0.52; 95%CI: 0.38-0.71), and cesarean delivery in prior births (aOR 0.61; 95%CI: 0.44-0.84) were associated with lower odds of short birth-to-pregnancy intervals among African-born black women.
CONCLUSIONS: African-born black women have higher risk for short birth-to-pregnancy intervals compared with US-born white and black women. Several risk factors (age, parity, education, and prior delivery type) contribute to short birth-to-pregnancy intervals among African-born black women. Future studies may inform our understanding of factors affecting pregnancy spacing and family planning strategies among African-born black women.