Intervention and planned place of birth | No. events/births | Incidence of events/100 births | Unadjusted | Adjusted |
---|---|---|---|---|
Spontaneous vertex birth | 192 432/257 888 | 74.6 | ||
Hospital | 179 307/242 715 | 73.9 | 1.00 | 1.00 |
Birth centre | 12 447/14 477 | 86.0 | 2.17 (2.07-2.28) | 2.73 (2.60-2.87) |
Home birth | 678/696 | 97.4 | 3.76 (2.91-4.86) | 4.05 (3.09-5.32) |
Ventouse delivery | 25 940/257 888 | 10.1 | ||
Hospital | 25 060/242 715 | 10.3 | 1.00 | 1.00 |
Birth centre | 867/14 477 | 6.0 | 0.55 (0.52-0.60) | 0.51 (0.47-0.54) |
Home birth | 13/696 | 1.9 | 0.16 (0.09-0.27) | 0.18 (0.10-0.30) |
Forceps delivery | 13 188/257 888 | 5.1 | ||
Hospital | 12 705/242 715 | 5.2 | 1.00 | 1.00 |
Birth centre | 468/14 477 | 3.2 | 0.61 (0.55-0.66) | 0.55 (0.50-0.60) |
Home birth | 15/696 | 2.2 | 0.37 (0.22-0.62) | 0.44 (0.26-0.73) |
Intrapartum caesarean section | 26 385/257 888 | 10.2 | ||
Hospital | 25 669/242 715 | 10.6 | 1.00 | 1.00 |
Birth centre | 693/14 477 | 4.8 | 0.43 (0.39-0.46) | 0.36 (0.34-0.39) |
Home birth | 23/696 | 3.3 | 0.27 (0.18-0.41) | 0.27 (0.17-0.40) |
3rd or 4th degree perineal trauma** | ||||
with episiotomy extensions | 7 557/231 403 | 3.3 | ||
Hospital | 7 083/216 955 | 3.3 | 1.00 | 1.00 |
Birth centre | 461/13 782 | 3.3 | 1.03 (0.93-1.13) | 0.93 (0.84-1.02) |
Home birth | 13/666 | 2.0 | 0.55 (0.32-0.96) | 0.66 (0.38-1.14) |
Syntocinon augmentation | 51 719/257 888 | 20.1 | ||
Hospital | 50 067/242 715 | 20.6 | 1.00 | 1.00 |
Birth centre | 1 612/14 477 | 11.1 | 0.48 (0.46-0.51) | 0.43 (0.41-0.45) |
Home birth | 40/696 | 5.7 | 0.22 (0.16-0.30) | 0.24 (0.17-0.33) |
Epidural or spinal analgesia for labour | 73 012/257 888 | 28.3 | ||
Hospital | 70 635/242 715 | 29.1 | 1.00 | 1.00 |
Birth centre | 2 321/14 477 | 16.0 | 0.47 (0.44-0.49) | 0.40 (0.37-0.41) |
Home birth | 56/696 | 8.1 | 0.20 (0.15-0.26) | 0.19 (0.15-0.26) |
General anaesthesia *** | 4 429/26 365 | 16.8 | ||
Hospital | 4 357/25 649 | 17.0 | 1.00 | 1.00 |
Birth centre | 70/693 | 10.1 | 0.55 (0.43-0.71) | 0.61 (0.48-0.79) |
Home birth | 2/23 | 8.7 | 0.47 (0.11-1.99) | 0.71 (0.16-3.06) |
Episiotomy ** | 41 885/231 396 | 18.1 | ||
Hospital | 40 506/216 948 | 18.7 | 1.00 | 1.00 |
Birth centre | 1 353/13 782 | 9.8 | 0.47 (0.45-0.50) | 0.41 (0.39-0.44) |
Home birth | 26/666 | 3.9 | 0.17 (0.11-0.25) | 0.18 (0.12-0.26) |