Table 3.
Independent association between Medicaid expansion and postpartum healthcare utilization among Medicaid-covered deliveries, Oregon 2008–2016 (n = 9337).
| Maternal SUD (n = 965) |
No Maternal SUD (n = 8372) |
|||
|---|---|---|---|---|
| Difference (post- vs pre-) in the average number of | Unadjusted mean difference(95% CI) | Adjusted mean difference(95% CI) | Unadjusted mean difference(95% CI) | Adjusted mean difference(95% CI) |
| Postpartum check-ups | 0.0 (−0.2, 0.2) | 0.1 (−0.3, 0.4) | 0.4 (0.4–0.5) | 0.3 (0.2, 0.4) |
| Mental health-related visits | 0.4 (−0.6, 1.4) | 0.5 (−1.3, 2.2) | 0.4 (0.2, 0.6) | 0.1 (−0.1, 0.2) |
| Antidepressant prescription fills | −0.3 (−1.0, 0.4) | −0.2 (−1.2, 0.9) | 0.1 (0.1, 0.4) | 0.1 (−0.2, 0.1) |
| Days of continuous Medicaid enrollment | 15.7 (−0.1, 31.5) | 16.3 (−11.8, 44.5) | 139.3 (131.4, 147.2) | 105.0 (96.9, 113.2) |
| Total healthcare visits | −4.8 (−13.5, 3.9) | −8.5 (−24.3, 7.3) | 9.1 (7.6, 10.6) | 4.4 (2.9, 6.0) |
| Inpatient hospital visits | 0.3 (−0.9, 1.5) | 0.2 (−1.7, 2.2) | 1.5 (1.3, 1.6) | 0.9 (0.7, 1.1) |
| Outpatient hospital visits | −2.1 (−6.4, 2.3) | −2.5 (−10.4, 5.4) | 3.8 (2.9, 4.7) | 2.3 (1.4, 3.3) |
| Office visits | −3.2 (−9.2, 2.9) | −6.2 (−17.6, 5.2) | 3.3 (2.6, 3.9) | 0.9 (0.2, 1.6) |
| Emergency department visits | 0.2 (−0.6, 0.9) | 0.0 (−1.4, 1.4) | 0.5 (0.4, 0.7) | 0.3 (0.1, 0.5) |
Boldface indicates difference significant at P < 0.05.
1Generalized linear regression adjusted for age, education, pre-pregnancy Medicaid status, race/ethnicity, marital status, parity, month of entry into prenatal care, smoking status during pregnancy, pre-pregnancy or gestational diabetes or hypertension, and diagnosis of mental health condition during pregnancy.