Table 2.
Maternal Characteristics by Care Group (N = 96,810)
| Characteristic | Interprofessional Groupa (n = 48,857) | Non-Interprofessional Groupb (n = 47,953) | P Value |
|---|---|---|---|
| Maternal age, median (5th–95th percentile), y | 28 (19–39) | 28 (18–39) | <.001 |
| Body mass index before pregnancy, median (5th–95th percentile), kg/m2 | 23.8 (18.3–37.6) | 23.2 (18.3–37.3) | <.001 |
| Body mass index on admission for birth,c median (5th–95th percentile), kg/m2 | 29.8 (23.2–42.8) | 29.3 (22.8–42.6) | <.001 |
| Race and ethnicity, n (%)d | |||
| White, non-Hispanic | 30,734 (62.9) | 17,794 (37.1) | <.001 |
| Black, non-Hispanic | 4967 (10.2) | 16,155 (33.7) | <.001 |
| Hispanic | 6139 (12.6) | 10,013 (20.9) | <.001 |
| Asian or Pacific Islander | 3401 (6.7) | 3000 (6.3) | <.001 |
| Other | 1044 (2.1) | 404 (.9) | <.001 |
| Unknown | 588 (1.2) | 3160 (3.3) | <.001 |
| Marital status, n (%)d | |||
| Married | 29,963 (61.3) | 28,005 (58.4) | <.001 |
| Not married | 14,971 (30.6) | 18,651 (38.9) | <.001 |
| Unknown | 3923 (8.0) | 1296 (2.7) | <.001 |
| Health insurance, n (%)d | |||
| Private | 39,613 (81.1) | 17,141 (35.8) | <.001 |
| Public | 8626 (17.7) | 17,305 (36.1) | <.001 |
| Self-pay, other | 361(0.7) | 1240 (2.6) | <.001 |
| Unknown | 257 (0.5) | 11,943 (24.9) | <.001 |
a
Interprofessional group includes centers with midwifery presence.
b
Non-interprofessional group includes centers without midwifery presence.
c
Values not reported for 45.8% (44,304) of women.
d
Percentages may not add to 100% because of rounding.