Risk of Extreme, Moderate, and Late Preterm Birth by Maternal Race, Ethnicity, and Nativity - 21/12/21
, Diana Montoya-Williams, MD 2, 3, 4, ∗, Kate Wallis, MD, MPH 2, 3, 5, Molly Passarella, MS 4, Scott A. Lorch, MD, MSCE 2, 3, 4Abstract |
Objectives |
To explore the relative risks of preterm birth—both overall and stratified into 3 groups (late, moderate, and extreme prematurity)—associated with maternal race, ethnicity, and nativity (ie, birthplace) combined.
Study design |
This was a retrospective cross-sectional cohort study of women delivering a live birth in Pennsylvania from 2011 to 2014 (n = 4 499 259). Log binomial and multinomial regression analyses determined the relative risks of each strata of preterm birth by racial/ethnic/native category, after adjusting for maternal sociodemographic, medical comorbidities, and birth year.
Results |
Foreign-born women overall had lower relative risks of both overall preterm birth and each strata of prematurity when examined en bloc. However, when considering maternal race, ethnicity, and nativity together, the relative risk of preterm birth for women in different racial/ethnic/nativity groups varied by preterm strata and by race. Being foreign-born appeared protective for late prematurity. However, only foreign-born White women had lower adjusted relative risks of moderate and extreme preterm birth compared with reference groups. All ethnic/native sub-groups of Black women had a significantly increased risk of extreme preterm births compared with US born non-Hispanic White women.
Conclusions |
Race, ethnicity, and nativity contribute differently to varying levels of prematurity. Future research involving birth outcome disparities may benefit by taking a more granular approach to the outcome of preterm birth and considering how nativity interacts with race and ethnicity.
Le texte complet de cet article est disponible en PDF.Keywords : preterm birth, immigrant health, health disparities
Abbreviation : aRR
Plan
| Supported by internal professional development funds from Children's Hospital of Philadelphia. The authors declare no conflicts of interest. |
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| Portions of this study were presented at the National Conference and Exhibition of the American Academy of Pediatrics, October 25th, 2019, New Orleans, LA; and the American Public Health Association Conference, November 5th, 2019, Philadelphia, PA. |
Vol 240
P. 24 - janvier 2022 Retour au numéro
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