Objective <p>Examine the association between clinical risk factors for preterm birth (PTB) and small for gestational age delivery (SGA) among United States (US)- and African-born Black women.</p> Study design <p>Population-based study of singleton births to 171,051 US- and 19,269 African-born women in California (2011–2020). Associations between PTB and SGA with 14 clinical risk factors were examined. Adjusted Poisson regression models estimated the association between each clinical factor and the outcomes, while assessing interaction by nativity.</p> Results <p>The prevalence of PTB, SGA, and clinical factors was greater among US-born Black women, with the exception of gestational diabetes. On average, the risk of PTB and SGA among women with each clinical risk factor was significantly higher for African- compared to US-born Black women.</p> Conclusions <p>Clinical risk factors were higher among US-born women, however associations between each factor and adverse perinatal outcomes were stronger for African-born women.</p>

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Clinical risk factors and adverse perinatal outcomes among U.S. and African-born Black women in California

  • Safyer McKenzie-Sampson,
  • Rebecca J. Baer,
  • Jean Costello,
  • Deborah Karasek,
  • Jacqueline M. Torres,
  • Corinne A. Riddell,
  • Laura L. Jelliffe-Pawlowski,
  • Bridgette E. Blebu

摘要

Objective

Examine the association between clinical risk factors for preterm birth (PTB) and small for gestational age delivery (SGA) among United States (US)- and African-born Black women.

Study design

Population-based study of singleton births to 171,051 US- and 19,269 African-born women in California (2011–2020). Associations between PTB and SGA with 14 clinical risk factors were examined. Adjusted Poisson regression models estimated the association between each clinical factor and the outcomes, while assessing interaction by nativity.

Results

The prevalence of PTB, SGA, and clinical factors was greater among US-born Black women, with the exception of gestational diabetes. On average, the risk of PTB and SGA among women with each clinical risk factor was significantly higher for African- compared to US-born Black women.

Conclusions

Clinical risk factors were higher among US-born women, however associations between each factor and adverse perinatal outcomes were stronger for African-born women.