Table 1.
Baseline Characteristics of the Maternal Cohort
| SMM N=69 |
No SMM N=6474 |
P-value | |
|---|---|---|---|
| Maternal Age, years | 34.0 (6.7) | 32.9 (5.30) | 0.18 |
| Maternal Race, n(%) | 0.001 | ||
| White | 36 (52.2) | 4541 (70.5%) | |
| Black | 14 (20.3) | 590 (9.2) | |
| Asian | 14 (20.3) | 798 (12.4) | |
| Other | 5 (7.3) | 512 (8.0) | |
| Body Mass Index, kg/m2 | 0.50 | ||
| 18.5–24.9 | 9 (13.6) | 1220 (18.9) | |
| 25–29.9 | 29 (43.9) | 3021 (46.8) | |
| ≥30 | 28 (42.4) | 2012 (34.3) | |
| Multifetal pregnancy, n(%) | 7 (10.1) | 159 (2.5) | <0.001 |
| Mode of conception, n(%) | 0.004 | ||
| IVF | 7 (10.1) | 239 (3.7) | |
| NIFT | 3 (4.4) | 106 (1.6) | |
| Spontaneous | 59 (85.5) | 6129 (94.7) | |
| Preterm Delivery <37 weeks, n(%) | 25 (36.8) | 470 (7.4) | <0.001 |
| Cesarean Delivery, n(%) | 55 (79.7) | 2338 (36.1) | <0.001 |
| Health Insurance, n(%) | <0.001 | ||
| Government | 20 (29) | 831 (13) | |
| Private | 49 (71) | 5583 (87) | |
| Co-morbidities, n(%) | |||
| Coronary Heart Disease | 5 (7) | 26 (0.4) | <0.001 |
| Diabetes Mellitus | 10 (15) | 455 (7) | 0.03 |
| Hypertension | 3 (4) | 57 (1) | 0.03 |