Health Disparities in Antepartum Anemia: The Intersection of Race and Social Determinants of Health

Black pregnant people in the U.S. experience highest rate of antepartum anemia, a contributor to severe maternal morbidity (SMM). Historic race-based definitions anemia demonstrate bias, and role social determinants health (SDH) prevalence by race/ethnicity is poorly understood. Our objective was assess racial disparities over time SDH. We conducted population-based cohort study using linked birth hospitalization vital records data California from 2011-2019. Patients with ICD-CM codes for at delivery admission were included; those hereditary excluded. calculated race-stratified trends race within SDH (age, education, insurance, county). For each SDH, relative risks versus White patients estimated multivariable log-binomial regression models adjusted parity, prenatal care, smoking. Among patients, doubled 2011 2019, an increasing disparity (absolute difference 8.6 percentage points 14.6 2019) (Figure 1). had greatest (16.5%) admission, twice that patients. Black-White high among all education groups. Anemia more frequent compared who privately insured (22% vs. 7.8%, aRR 2.60), publicly (13.5% 7.2%, 1.82), prevalent counties. present across levels (Table common age, most insurance types, metropolitan category. The significant seen educated Future studies are needed explore barriers treatment structural racism disparities.View Large Image Figure ViewerDownload Hi-res image Download (PPT)