| Variables | All n = 142 | PE n = 71 | Controls n = 71 | P |
| Age (years) | 28.8 ± 6.8 | 28.2 ± 6.8 | 29.5 ± 6.8 | 0.559 |
| ≤20 | 18 (12.7) | 11 (15.5) | 7 (9.9) | |
| 21 - 34 | 93 (65.5) | 46 (64.8) | 47 (66.2) | |
| ≥35 | 31 (21.8) | 14 (19.7) | 17 (23.9) | |
| Marital status |
|
|
| 0.372 |
| Maried | 132 (93.0) | 65 (91.5) | 67 (94.4) | |
| Single | 10 (7.0) | 6 (8.5) | 4 (5.6) | |
| Type of marriage |
|
|
| 0.117 |
| Monogamy | 128 (97.0) | 62 (95.4) | 66 (98.5) | |
| Polygamy | 4 (3.1) | 3 (4.6) | 1 (1.5) |