Table 2.
Predictors of Adjusted Delivery Cost in the Medicaid Population
| Adjusted cost ratio (95% CI) | Adjusted mean cost (95% CI) | |
|---|---|---|
| Intercept | — | $5,932a |
| SMM (referent: no SMM) | 1.31 (1.23–1.40)b | $7,796 ($6,772–$8,974) |
| Delivery (referent: vaginal) | ||
| Cesarean | 1.16 (1.15–1.18)b | $6,908 ($6,300–$7,575) |
| Maternal age (referent: 31–35) | ||
| 14–18 | 0.96 (0.89–1.03) | $5,674 ($4,886–$6,589) |
| 19–24 | 0.96 (0.92–0.99)b | $5,667 ($5,051–$6,359) |
| 25–30 | 0.96 (0.93–0.99)b | $5,706 ($5,085–$6,402) |
| 36–40 | 1.03 (0.97–1.09) | $6,122 ($5,337–$7,022) |
| 41–45 | 1.08 (0.96–1.21) | $6,395 ($5,262–$7,773) |
| >45 | 1.03 (0.70–1.53) | $6,138 ($3,831–$9,835) |
| Gestation status (referent: singleton) | ||
| Multifetal | 1.10 (1.06–1.15)b | $6,530 ($5,791–$7,363) |
| Race/ethnicity (referent: Black) | ||
| Hispanic | 1.00 (0.95–1.05) | $5,943 ($5,224–$6,761) |
| Other | 1.03 (0.97–1.09) | $6,105 ($5,323–$7,000) |
| White | 0.97 (0.94–0.99)b | $5,742 ($5,172–$6,373) |
| Pregnancy-related complication (referent: no presence of complication) | 1.03 (1.01–1.05)b | $6,101 ($5,551–$6,706) |
a
The intercept represents the adjusted mean cost estimate for a woman with no SMM, vaginal delivery, age 31–35, singleton, Black, and no presence of complications.
b
Multivariate regression analysis statistically significant at p < 0.05.