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Demographic variables of the maternal validation cohort
| Variables | Cases (N=293) | Controls (N=200) | p-value |
|---|---|---|---|
| Study source | |||
| MFMU | 215 (73.4) | 121 (60.5) | 0.004 |
| SCRN | 78 (26.6) | 79 (39.5) | |
| Maternal age, years | 24.6 (6.0) | 24.4 (5.6) | 0.66 |
| Maternal race/ethnicity | |||
| Caucasian | 66 (22.5) | 37 (18.5) | |
| African American | 110 (37.5) | 84 (42.0) | 0.68 |
| Hispanic | 110 (37.5) | 74 (37.0) | |
| Other | 7 (2.4) | 5 (2.5) | |
| Maternal parity | |||
| Nulliparous | 98 (33.4) | 64 (32.0) | 0.81 |
| Multiparous | 195 (66.6) | 136 (68.0) | |
