|  | Total n (%) | Primiparous n (%) | Multiparous n (%) | P-value |
---|---|---|---|---|---|
Total | Â | 11520 (100) | 6616 (57.4) | 4904 (42.6) | Â |
Maternal age |  < 25 years | 1052 (9.6) | 861 (13.6) | 191 (4.1) |  < 0.001 |
25–35 years | 8771 (79.8) | 5064 (79.7) | 3707 (79.9) |  | |
 > 35 years | 1170 (10.6) | 425 (6.7) | 745 (16.0) |  | |
Ethnic background | Dutch | 9438 (83.0) | 5429 (83.2) | 4009 (82.7) | 0.02 |
Western | 504 (4.4) | 311 (4.8) | 193 (4.0) | Â | |
Non-western | 1430 (12.6) | 785 (12.0) | 645 (13.3) | Â | |
Level of education | Low | 673 (6.1) | 389 (6.1) | 284 (6.1) | 1.00 |
Middle | 2659 (24.3) | 1537 (24.3) | 1122 (24.3) | Â | |
High | 7617 (69.6) | 4402 (69.6) | 3215 (69.6) | Â | |
Marital Status at time of birth | Married | 6535 (59.4) | 3459 (54.5) | 3076 (66.3) |  < 0.001 |
Living together | 4171 (37.9) | 2669 (42.0) | 1502 (32.3) | Â | |
Living apart together | 122 (1.1) | 96 (1.5) | 26 (0.6) | Â | |
Single | 169 (1.6) | 130 (2.0) | 39 (0.8) | Â | |
Singleton or multiple pregnancy | Singleton | 11297 (98.1) | 6486 (98.0) | 4811 (98.1) | 0.84 |
Multiple | 223 (1.9) | 130 (2.0) | 93 (1.9) | Â | |
Gestational age | Preterm (< 37 weeks) | 669 (5.8) | 447 (6.8) | 222 (4.5) |  < 0.001 |
Term (37–41 + 6 weeks) | 10448 (90.9) | 5895 (89.2) | 4553 (93.1) |  | |
Postterm (≥ 42 weeks) | 381 (3.3) | 264 (4.0) | 117 (2.4) |  | |
Before or during COVID-19 pandemic | Prior COVID-19 pandemic | 7521 (65.3) | 4237 (64.0) | 3284 (67.0) |  < 0.001 |
During COVID-19 pandemic | 3999 (34.7) | 2379 (36.0) | 1620 (33.0) | Â | |
Onset of labour | Spontaneous | 7759 (67.3) | 4383 (66.3) | 3376 (68.8) |  < 0.001 |
Induction | 3108 (27.0) | 1960 (29.6) | 1148 (23.4) | Â | |
C-section | 653 (5.7) | 273 (4.1) | 380 (7.8) | Â | |
Healthcare provider throughout birth | Midwife-led care | 3899 (33.9) | 1558 (23.6) | 2341 (47.7) |  < 0.001 |
Transfer of carea | 3090 (26.8) | 2422 (36.6) | 668 (13.6) | Â | |
Obstetrician-led care | 4531 (39.3) | 2636 (39.8) | 1895 (38.7) | Â | |
Pain relief during labour | None | 6946 (64.2) | 3296 (52.2) | 3650 (81.1) |  < 0.001 |
Epidural analgesia | 2425 (22.4) | 2017 (32.0) | 408 (9.1) | Â | |
Remifentanil | 1184 (11.0) | 813 (12.9) | 371 (8.2) | Â | |
Otherb | 256 (2.4) | 183 (2.9) | 73 (1.6) | Â | |
Place of birth | Home | 2400 (20.8) | 868 (13.1) | 1532 (31.2) |  < 0.001 |
Midwife-led institutionalc | 1796 (15.6) | 844 (12.8) | 952 (19.4) | Â | |
Obstetrician-led hospitald | 7324 (63.6) | 4904 (74.1) | 2420 (49.4) | Â | |
Mode of birth | Spontaneous | 7248 (62.9) | 3368 (50.9) | 3880 (79.1) |  < 0.001 |
Planned C-section | 590 (5.1) | 237 (3.6) | 353 (7.2) | Â | |
Spontaneous with episiotomy | 1369 (11.9) | 1058 (16.0) | 311 (6.3) | Â | |
Assisted vaginal birth | 1066 (9.3) | 965 (14.6) | 101 (2.1) | Â | |
Unplanned C-section | 1247 (10.8) | 988 (14.9) | 259 (5.3) | Â |