Table 1.
Sociodemographic characteristics of 217 women enrolled in the evaluation group and the study groups A and B.
| Evaluation Group (n = 69) |
Study Group A (n = 68) |
Study Group B (n = 80) |
Standardized Difference 1 | |||
|---|---|---|---|---|---|---|
| Evaluation Group vs. A | Evaluation Group vs. B | A vs. B | ||||
| Age, years (IQR) | 31.5 (28.1–36.4) | 32.6 (28.9–36.0) | 32.5 (28.8–35.7) | −0.03 | −0.02 | −0.01 |
| Migration background, n (%) | 37 (53.6%) | 40 (58.8%) | 49 (61.3%) | 0.11 | 0.15 | −0.05 |
| Primipara, n (%) | 44 (63.8%) | 30 (44.1%) | 30 (37.5%) | −0.39 | −0.49 | 0.11 |
| Mode of delivery | 0.03 | 0.03 | −0.00 | |||
| Vaginal delivery, n (%) | 36 (52.2%) | 34 (50.7%) | 41 (51.2%) | |||
| Cesarean section, n (%) | 31 (44.9%) | 31 (46.3%) | 36 (45.0%) | |||
| Instrumental delivery, n (%) | 2 (2.9%) | 2 (3.0%) | 3 (3.8%) | |||
| Preterm delivery, n (%) | 18 (26.1%) | 9 (13.2%) | 15 (18.8%) | −0.32 | −0,19 | −0.14 |
1 Imbalance defined as absolute value greater than 0.20 (small-effect size).