Maternal age: above 30 years | 180/347 (52) | 176/330 (53) | 356/677 (53) |
Marital status: married | 254/324 (78) | 233/317 (74) | 487/641 (76) |
Ethnic status: non-white | 32/337 (10) | 39/316 (12) | 71/653 (11) |
Housing tenure: owner | 241/320 (75) | 230/299 (77) | 471/619 (76) |
Parity: primiparous | 158/345 (46) | 121/329 (37)* | 279/674 (41) |
History of miscarriage: yes | 80/346 (23) | 62/329 (19) | 142/675 (21) |
Smoking status at first antenatal visit: yes | 49/343 (14) | 50/326 (15) | 99/669 (15) |
Alcohol consumption status at first antenatal visit: yes | 70/341 (21) | 83/325 (26) | 153/666 (23) |
Mode of delivery: spontaneous vaginal delivery | 247/347 (71) | 272/330 (82)*** | 519/677 (77) |
Median length of labour: minutes | 346 (n=316) | 349 (n=314) | 346 (n=630) |
(95% CI) | (312 to 396) | (309 to 385) | (317 to 378) |
Epidural or pethidine administered: yes | 138/346 (40) | 123/330 (37) | 261/376 (39) |
Complications during labour: yes | 181/323 (56) | 156/302 (52) | 337/625 (54) |
Past medical history of problems: yes | 235/345 (68) | 218/324 (67) | 453/669 (68) |
Past history of depression: yes | 34/345 (10) | 33/324 (10) | 67/669 (10) |
†Has put baby to breast: yes | 273/345 (79) | 265/321 (83) | 538/666 (81) |
†Feeding intentions: solely breastfeeding | 158/343 (46) | 149/327 (46) | 307/670 (46) |