| Characteristics | Nulliparous Study Sample n (%) | Multiparous Study Sample n (%) | Total Study Sample n (%) |
| Preferred birth mode | |||
| Vaginal birth | 564 (92.6) | 656 (81.9) | 1220 (86.5) |
| Caesarean section | 37 (6.1) | 131 (16.4) | 168 (11.9) |
| Missing/not stated | 8 (1.3) | 14 (1.7) | 22 (1.6) |
| W-DEQ mean (SD, range) | 55.05 (20.7, 4 to 128) | 45.18 (21.9, 0 to 115) | 49.5 (21.9, 0 to 128) n = 1386 |
| Missing | 5 (0.8) | 19 (2.3) | 24 (1.7) |
| Decisional conflict scale mean (SD, range) | 37.7 (21.5, 0 to 100) | 23.7 (22.3, 0 to 100) | 29.7 (23, 0 to 100) |
| Missing | 15 (2.5) | 15 (1.9) | 30 (2.1) |
| EPDS mean (SD, range) | 5.4 (4.7, 0 to 24) | 4.9 (4.6, 0 to 24) | 5.1 (4.6, 0 to 24) |
| Mental health problem prior to pregnancy | |||
| Yes | 155 (25.5) | 211 (26.3) | 366 (26.0) |
| No | 454 (74.5) | 590 (73.7) | 1044 (74.0) |
| Anxiety/depression today (EQ5D) | |||
| Yes | 111 (18.2) | 143 (17.9) | 254 (18.0) |
| No | 497 (81.6) | 656 (81.9) | 1153 (81.8) |
| Missing | 1 (0.2) | 2 (0.2) | 3 (0.2) |
| ≥Moderate pain/discomfort today (EQ5D) | |||
| Yes | 240 (39.4) | 272 (34.0) | 512 (36.2) |
| No | 368 (60.4) | 527 (65.8) | 895 (63.6) |
| Missing | 1 (0.2) | 2 (0.2) | 3 (0.2) |
| Partner support | |||
| Yes | 572 (93.9) | 757 (94.5) | 1329 (94.3) |
| No | 29 (4.8) | 33 (4.1) | 62 (4.4) |
| Missing | 8 (1.3) | 11 (1.4) | 19 (1.3) |
| Birth knowledge | |||
| | 291 (47.8) | 48 (6.0) | 339 (24.0) |
| ≥Knowledge than others | 310 (50.9) | 752 (93.9) | 1062 (75.4) |
| Missing | 8 (1.3) | 1 (0.1) | 9 (0.6) |