Normal labour and birth* by planned place of birth and parity
| Planned place of birth | No. events—normal labour and birth* | Total number of births | Incidence of events (%) | Unadjusted OR | Adjusted OR† |
| All women | 991 534 | 1 250 721 | 79.3 | ||
| Hospital | 919 974 | 1 171 050 | 78.6 | 1 | 1 |
| Birth centre | 63 773 | 71 487 | 89.2 | 2.26 (2.19–2.33) | 2.72 (2.63–2.81) |
| Home | 7787 | 8184 | 95.1 | 5.35 (4.69–6.11) | 5.91 (5.15–6.78) |
| Primiparous women‡ | 322 640 | 525 205 | 61.4 | ||
| Hospital | 298 243 | 494 019 | 60.4 | 1 | 1 |
| Birth centre | 22 401 | 28 891 | 77.5 | 2.27 (2.18–2.35) | 2.60 (2.50–2.70) |
| Home | 1996 | 2295 | 87 | 4.38 (3.73–5.14) | 5.99 (5.09–7.04) |
| Multiparous women‡ | 668 894 | 725 516 | 92.2 | ||
| Hospital | 621 731 | 677 031 | 91.8 | 1 | 1 |
| Birth centre | 41 372 | 42 596 | 97.1 | 3.01 (2.79–3.24) | 3.27 (3.03–3.53) |
| Home | 5791 | 5889 | 98.3 | 5.26 (4.04–6.83) | 5.86 (4.50–7.62) |
Cases with missing data were not included in rates or regression calculations.
*Normal labour and birth—spontaneous labour, no epidural or spinal, general anaesthesia, forceps, vacuum extraction, episiotomy or caesarean section.
†Logistic regression adjusted for maternal age, country of birth, gestational age and parity at 99% CI.
‡Parity refers to previous pregnancies>20 weeks and is dichotomised.