Table 1

Characteristics of women in the national maternity survey by mode of delivery
Non-operative births Operative births
Unassisted Vaginala Ventouse-assisteda Forceps-assisteda Unplanned Caesareana Planned Caesareana p
n = 3275 n = 302 n = 359 n = 675 n = 630
n (%) n (%) n (%) n (%) n (%)
DEMOGRAPHIC
Mother’s age (years)
  M (SD) 30.11 (5.75) 30.27 (5.26) 30.30 (5.49) 31.07 (5.55) 32.88 (5.31) <0.001
Parity
  Primiparous 1342 (42) 246 (83) 299 (83) 492 (75) 193 (32) <0.001
  Multiparous 1880 (58) 51 (17) 51 (15) 164 (25) 420 (69)
Ethnicity
  White 2780 (86) 279 (93) 322 (90) 534 (81) 521 (84) <0.001
  Otherb 445 (14) 20 (7) 34 (10) 129 (20) 96 (16)
Age left full-time education (years)
  ≤ 16 751 (23) 51 (17) 63 (18) 115 (17) 151 (25) <0.001
  17-18 892 (28) 60 (20) 98 (28) 173 (26) 155 (25)
  ≥ 19 1583 (49) 189 (63) 195 (55) 377 (57) 309 (50)
IMD (quintiles)
  1st (least deprived) 640 (20) 68 (23) 75 (21) 122 (18) 141 (18) 0.002
  2nd 652 (20) 63 (21) 71 (20) 110 (16) 137 (22)
  3rd 681 (21) 59 (20) 74 (21) 152 (23) 151 (24)
  4th 629 (19) 68 (23) 62 (17) 152 (23) 85 (14)
  5th (most deprived) 672 (21) 44 (15) 77 (21) 139 (21) 116 (18)
Marital status
  Married 195 (59) 195 (65) 225 (63) 423 (63) 439 (70) <0.001
  Cohabiting 998 (31) 84 (28) 107 (30) 184 (27) 153 (24)
  Other 330 (10) 23 (8) 27 (8) 68 (10) 38 (6)
Country of birth
  UK 2498 (80) 238 (81) 286 (83) 482 (75) 456 (77) 0.005
  Other 633 (20) 55 (19) 59 (17) 165 (26) 137 (23)
OBSTETRIC
Monitoring of baby in labour
  Noc 269 (8) 2 (0.7) 4 (1) 88 (13) 33 (27) <0.001
  Stethoscope/sonicaid 845 (26) 23 (8) 23 (6) 23 (4) 3 (2)
  Intermittent 674 (21) 51 (17) 64 (18) 95 (14) 25 (20)
  Constant 1344 (41) 221 (73) 255 (71) 444 (67) 56 (45)
  Other 11 (0.3) 0 (0) 0 (0) 2 (0.3) 1 (0.8)
  Don’t know 128 (4) 5 (2) 13 (4) 11 (1.7) 6 (5)
Duration of labour (hours)
  ≤ 7 1825 (59) 64 (22) 60 (17) ------ ------ <0.001
  8-11 448 (15) 58 (20) 58 (16)
  12-17 356 (12) 67 (23) 71 (20)
  ≥18 468 (15) 109 (37) 165 (47)

* p <0.05 ** p < 0.01 *** p < 0.001.

aNumbers may not sum to total because some data missing.

bIncludes Mixed, Asian or Asian British, Black or Black British, Chinese and other.

cExcludes women who had a planned caesarean and did not labour.

Rowlands and Redshaw

Rowlands and Redshaw BMC Pregnancy and Childbirth 2012 12:138   doi:10.1186/1471-2393-12-138

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