Table 1.
Demographic characteristics of participants at screening, stratified by assigned treatment groupa
| Characteristic n (%) |
Total n = 140 |
Control n = 71 |
CrMS n = 69 |
|---|---|---|---|
| Age (mean ± S.D.) | 28.2 ± 3.2 | 28.1 ± 3.2 | 28.3 ± 3.1 |
| More than one prior pregnancy | 78 (55.7) | 40 (56.3) | 38 (55.1) |
| History of miscarriage | 43 (30.7) | 22 (31.9) | 21 (29.6) |
| College graduate | 74 (52.9) | 34 (47.9) | 40 (58.0) |
| Family income ≥ $40,000 per yeara | 85 (61.6) | 46 (64.8) | 39 (58.2) |
| Prior use of oral contraceptives | 134 (95.7) | 69 (97.2) | 65 (94.2) |
| Any prior history of alcohol use | 19 (13.6) | 12 (16.9) | 7 (10.1) |
| Any prior history of smoking | 21 (15.0) | 12 (16.9) | 9 (13.0) |
| Received lump-sum compensation | 100 (71.4) | 50 (70.4) | 50 (72.5) |
a
Response was missing for Family income for 2 participants; p>0.2 for all comparisons.