Table 1.
Racial differences in baseline characteristics of the entire eligible cohort (n = 37,474).
| White n = 26,232 |
Black n = 8994 |
p-Value | |
|---|---|---|---|
| Preterm | 2360 (9.0%) | 1097 (12.2%) | <0.0001 |
| Small for Gestational Age(SGA) | 2177 (8.3%) | 1475 (16.4%) | <0.0001 |
| Age | 29.6 (SD 5.4) | 24.8 (SD 5.7) | <0.0001 |
| Nulliparity | 7686 (29.3%) | 3238 (36.0%) | <0.0001 |
| Hypertension | 1679 (6.4%) | 827 (9.2%) | <0.0001 |
| Diabetes | 1653 (6.3%) | 441 (4.9%) | <0.0001 |
| Smoking | 4194 (16.0%) | 1070 (12.3%) | <0.0001 |
| History of Depression | 2308 (8.8%) | 998 (11.1%) | <0.0001 |
| Relationship Status (Committed, Married or Life Partner) |
12,977 (49.5%) | 875 (11.9%) | <0.0001 |
| High School Diploma or less | 9050 (34.5%) | 5726 (63.7%) | <0.0001 |
| Pre-pregnancy weight(kg) | 68.6 (SD 16.8) | 73.7 (20.2) | <0.0001 |
| BMI | 25.4 (SD 5.90) | 27.4 (SD 7.1) | <0.0001 |
| Birth weight(g) | 3349 (SD 580) | 3097 (SD 636) | <0.0001 |