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Health Equity/Community Health

Poster Session 4

(974) Racial Trends in Opioid Use Disorder (OUD) at Delivery Hospitalization in the U.S. (2010-2020)

Wednesday, February 14, 2024
1:00 PM – 2:30 PM  
Location: Prince George's Exhibit Hall CDE, Lower Atrium Level
Objective: Data are lacking on OUD racial and ethnic disparities in pregnancy. We evaluated trends in OUD by race and ethnicity at delivery.

Study Design: Retrospective cohort study of U.S. delivery hospitalizations with OUD using data from the National Inpatient Sample. ICD9-10 codes were used to identify OUD diagnoses. OUD rates between racial groups (Asian and Pacific Islander; API; American Indian; AI; non-Hispanic Black; NHB, Hispanic, and non-Hispanic White; NHW) were compared from 2010-2020. The OUD annual percent change (APC) was determined by Joinpoint regression. Adjusted RR of OUD by region (Northeast; NE, Midwest; MW, South, and West) were discerned using the lowest risk region as the referent group.

Results:

From 2010-2020, there were 272,610 (0.80%) delivery hospitalizations with OUD in the U.S. OUD rates increased significantly among AI (APC 23.2, CI 18.2-43.9; 2010-2017), NHW (APC 15.2, CI 13.0-18.3; 2010-2016), and NHB (APC, 15.0, CI 9.9-32.6; 2010-2017) groups before stabilizing (Figure). OUD rates increased linearly for API (APC 21.5, CI 17.8-27.6) and Hispanic (APC 11.7, CI 10.5-13.2) groups (2010-2020).



Region of lowest aRR for OUD was determined for each racial group (NHW; West, NHB, Hispanic, and AI; South, API; NE). NHW OUD risk was highest in the NE (aRR 2.1 CI 2.0-2.2) and South (aRR 1.2 CI 1.1-1.3) and similar in the MW and West. NHB OUD risk was increased in the West (aRR 2.2 CI 1.3-1.7), MW (aRR 2.1 CI 1.8-2.4) and NE (aRR 1.5 CI 1.3-1.7) compared to the South. Hispanic OUD risk was increased in the West (aRR 1.2 CI 1.0-1.3) but similar in the MW, NE, and South. AI OUD risk was higher in the MW (aRR 1.83 CI 1.5-2.5) and West (aRR 1.8 CI 1.5-2.1) and similar in the NE and South. API OUD risk was higher in the South (aRR 1.9 CI 1.3-2.6), MW (aRR 1.6 CI 1.1-2.4), and West (aRR 1.5 CI 1.1-2.1) relative to the NE.


Conclusion: Rate of OUD peaked among NHW and AI delivery hospitalizations, however it continues to rise among NHB, Hispanic, and API populations with significant regional variation.