Risk of Extreme, Moderate, and Late Preterm Birth by Maternal Race, Ethnicity, and Nativity.

ABSTRACT:

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 ma

SUBMITTER: Egbe TI 

PROVIDER: S-EPMC8935915 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature