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. Author manuscript; available in PMC: 2022 Oct 1.
Published in final edited form as: Health Aff (Millwood). 2021 Oct;40(10):1575–1584. doi: 10.1377/hlthaff.2021.00759

EXHIBIT 3.

EXHIBIT 3

Average Adjusted Rates of Severe Maternal Morbidity, by Mental Health Status Designations (n=1,460,826; weighted n=7,304,122)

SOURCE: Authors’ analysis of data from the Healthcare Cost and Utilization Project, National Inpatient Sample, years 2016 and 2017.

NOTES:

Adjusted rates of severe maternal morbidity per 10,000 deliveries determined using predicted probabilities based on logistic regressions, adjusting for age, race, primary payer, number of other (i.e., non-mental health or substance use-related) clinical comorbidities, presence of a substance use disorder, having a cesarean vs vaginal delivery, median income in the patient’s zip code of residence, hospital census region, hospital ownership, hospital teach status and rural/urban designation, safety net hospital designation, and minority hospital designation. All differences in means are statistically significant (p<0.001) using Wald tests to test for differences between average adjusted rates of severe maternal morbidity between categories of each mental health analysis grouping.