Table 1

Characteristics of women1 transferred and not transferred from home or a freestanding midwifery unit
Not transferred Transferred
Home FMU Home FMU
N = 13175 N = 8766 N = 3457 N = 2444
n % n % n % n %
Maternal age
Mean [SD] 31.1 [5.2] 28.8 [5.8] 30.9 5.1 28.5 5.7
Under 20 152 1.2 515 5.9 65 1.9 158 6.5
20-24 1346 10.2 1634 18.7 344 10.0 483 19.8
25-29 3400 25.9 2527 28.9 905 26.2 725 29.7
30-34 4483 34.1 2512 28.7 1290 37.3 712 29.2
35-39 3222 24.5 1360 15.5 738 21.4 318 13.0
≥40 542 4.1 207 2.4 114 3.3 45 1.8
Missing 30 11 1 3
Ethnic group
White 12461 94.7 8016 91.5 3280 95.0 2246 91.9
Asian 94 0.8 316 3.6 25 0.7 79 3.3
Black 197 1.5 112 1.2 39 1.2 29 1.2
Mixed 212 1.6 103 1.2 65 1.9 21 0.9
Other 194 1.5 215 2.5 44 1.3 68 2.8
Missing 17 4 4 1
Understanding of english
Fluent 13090 99.5 8503 97.2 3429 99.4 2353 96.5
Some or none 69 0.5 241 2.8 19 0.6 86 3.5
Missing 16 22 9 5
Marital/partner status
Married/Living together 12572 96.1 8102 93.5 3287 95.6 2277 93.9
Single/Unsupported 511 3.9 566 6.5 152 4.4 147 6.1
Missing 92 98 18 20
Body mass index (kg/m2)
Mean [SD] 24 3.7 24.1 3.8 24.1 3.7 23.9 3.5
not recorded 2533 19.3 1331 15.2 698 20.3 516 21.2
<18.5 261 2.0 185 2.1 56 1.6 47 1.9
18.5-24.9 6421 49.0 4393 50.2 1629 47.4 1180 48.4
25-29.9 2943 22.4 2088 23.8 799 23.3 549 22.5
30-35.0 954 7.3 758 8.7 253 7.4 147 6.0
Missing 63 11 22 5
IMD quintiles
1st Least deprived 2904 22.2 1931 22.1 739 21.5 552 22.6
2nd 2739 20.9 2005 22.9 697 20.3 565 23.2
3rd 2816 21.5 1768 20.2 789 23.0 520 21.3
4th 2617 20.0 1624 18.6 672 19.6 441 18.1
5th Most deprived 2008 15.3 1411 16.1 536 15.6 362 14.8
Missing 91 27 24 4
Previous pregnancies > =24 completed weeks
0 Nulliparous 2481 18.8 3284 37.5 2008 58.1 1868 76.7
1 previous 5587 42.4 3489 39.8 870 25.2 405 16.6
2 previous 3269 24.8 1385 15.8 361 10.4 118 4.8
3+ previous 1826 13.9 604 6.9 217 6.3 44 1.8
Missing 12 4 1 9
Gestation (completed weeks)
Mean [SD] 39.7 1.0 39.7 1.0 39.9 1.0 39.9 1.0
37 306 2.3 255 2.9 72 2.1 60 2.5
38 1293 9.8 795 9.1 275 8.0 183 7.5
39 3443 26.1 2196 25.1 646 18.7 473 19.4
40 5214 39.6 3421 39.0 1382 40.0 943 38.6
41 and 42 + 0 2919 22.2 2099 23.9 1082 31.3 785 32.1
Missing 0 0 0 0

1‘Low risk’ women with term pregnancies.

Rowe et al.

Rowe et al. BMC Pregnancy and Childbirth 2013 13:224   doi:10.1186/1471-2393-13-224

Open Data