Table 2.
Demographic, Medical, and Obstetric Data by Maternal Race
| Subject Characteristics | African American (n = 360) | White (n = 374) | P Value* |
|---|---|---|---|
| Maternal age (years; mean ± SD) | 25.6 ± 5.9 | 30.3 ± 6.3 | NS |
|
| |||
| Maternal weight at enrollment (pounds; mean ± SD) | 167.3 ± 43 | 150.9 ± 38 | 0.009 |
|
| |||
| CRP (μg/ml; mean ± SD) | 17.3 ± 19.3 | 8.0 ± 13 | <0.001 |
|
| |||
| CRP (μg/ml; median [IQR]) | 7.68 (1.88 to 31.7) | 2.59 (0.16 to 9.95) | <0.001 |
|
| |||
| CRP >75th percentile (n [%]) | 126 (35) | 57 (15) | <0.001 |
|
| |||
| Periodontal disease status (n [%]) | |||
| Healthy | 40 (11) | 162 (43) | NS |
| Mild | 235 (62) | 191 (51) | NS |
| Moderate/severe | 85 (27) | 21 (5) | <0.001 |
|
| |||
| Married (n [%]) | 81 (23) | 278 (74) | <0.001 |
|
| |||
| Privately insured (n [%]) | 70 (19) | 264 (71) | <0.001 |
|
| |||
| Eligible for WIC/food stamps (n [%]) | 129 (36) | 38 (10) | <0.001 |
|
| |||
| Primigravida (n [%]) | 117 (33) | 175 (47) | <0.001 |
|
| |||
| Multiparous with previous preterm delivery (n [%]) | 79 (22) | 47 (13) | <0.001 |
|
| |||
| Sexually transmitted infection (n [%]) | 69 (19) | 27 (7) | <0.001 |
|
| |||
| Smoking during current pregnancy (n [%]) | 74 (21) | 57 (15) | NS |
|
| |||
| Alcohol use during current pregnancy (n [%]) | 48 (13) | 73 (20) | 0.02 |
NS = not statistically significant.
*
χ2 test.