Pilot 1 | Pilot 2 | p-value | |||
---|---|---|---|---|---|
N = 1000 | N = 2000 | ||||
Maternal data | n | % | n | % | |
Age (years)a | 0.49 | ||||
16–24 | 152 | 15.2 | 317 | 16.2 | |
25–29 | 268 | 26.8 | 559 | 28.6 | |
30–34 | 336 | 33.6 | 638 | 32.7 | |
35+ | 244 | 24.4 | 440 | 22.5 | |
Marital status at registrationa | 0.49 | ||||
Married | 524 | 52.4 | 1069 | 54.7 | |
Joint registration (same address) | 337 | 33.7 | 607 | 31.1 | |
Joint registration (different address) | 97 | 9.7 | 187 | 9.6 | |
Sole registration | 42 | 4.2 | 91 | 4.7 | |
Country of birtha | 0.54 | ||||
UK | 709 | 70.9 | 1364 | 69.8 | |
Outside UK | 291 | 29.1 | 590 | 30.2 | |
Index of multiple deprivation (IMD)a | 0.40 | ||||
1st (most deprived) | 250 | 25.0 | 494 | 25.3 | |
2nd | 240 | 24.0 | 445 | 22.8 | |
3rd | 209 | 20.9 | 368 | 18.8 | |
4th | 151 | 15.1 | 337 | 17.2 | |
5th (least deprived) | 150 | 15.0 | 310 | 15.9 | |
Regiona | 0.99 | ||||
North East | 49 | 4.9 | 83 | 4.2 | |
North West | 138 | 13.8 | 265 | 13.6 | |
Yorkshire & the Humber | 105 | 10.5 | 200 | 10.2 | |
East Midlands | 85 | 8.5 | 160 | 8.2 | |
West Midlands | 107 | 10.7 | 215 | 11.0 | |
East of England | 113 | 11.3 | 223 | 11.4 | |
London | 198 | 19.8 | 368 | 18.8 | |
South East | 141 | 14.1 | 302 | 15.5 | |
South West | 64 | 6.4 | 138 | 7.1 |