Characteristics of women stratified by IMD quintile (most to least deprived) N (%)
| IMD quintile | |||||
| Most deprived 20% | More deprived 20–40% | Less deprived 40–60% | Less deprived 60–80% | Least deprived 80–100% | |
| Ethnicity | |||||
| White | 173 117 (64.0%) | 182 043 (68.9%) | 180 926 (75.4%) | 173 348 (79.3%) | 150 829 (81.4%) |
| Black or Black British—Caribbean | 3338 (1.2%) | 2382 (0.9%) | 1252 (0.5%) | 727 (0.3%) | 372 (0.2%) |
| Black or Black British—African | 10 814 (4.0%) | 6834 (2.6%) | 3226 (1.3%) | 1947 (0.9%) | 1170 (0.6%) |
| Asian or Asian British—Indian | 7221 (2.7%) | 9826 (3.7%) | 7838 (3.3%) | 5864 (2.7%) | 4808 (2.6%) |
| Asian or Asian British—Pakistani | 16 441 (6.1%) | 8359 (3.2%) | 4186 (1.7%) | 2485 (1.1%) | 1556 (0.8%) |
| Asian or Asian British—Bangladeshi | 5479 (2.0%) | 2915 (1.1%) | 1202 (0.5%) | 682 (0.3%) | 434 (0.2%) |
| Mixed | 6388 (2.4%) | 5400 (2.0%) | 4032 (1.7%) | 3280 (1.5%) | 2411 (1.3%) |
| Other | 26 215 (9.7%) | 24 518 (9.3%) | 17 741 (7.4%) | 12 778 (5.8%) | 9470 (5.1%) |
| Missing | 21 484 (7.9%) | 22 028 (8.3%) | 19 575 (8.2%) | 17 591 (8.0%) | 14 224 (7.7%) |
| Age group | |||||
| <20 | 30 786 (11.4%) | 16 762 (6.3%) | 10 799 (4.5%) | 7038 (3.2%) | 4166 (2.2%) |
| 20–25 | 77 849 (28.8%) | 56 374 (21.3%) | 40 830 (17.0%) | 29 920 (13.7%) | 19 646 (10.6%) |
| 25–30 | 81 861 (30.3%) | 82 302 (31.1%) | 74 489 (31.0%) | 67 410 (30.8%) | 54 174 (29.2%) |
| 30–35 | 54 598 (20.2%) | 73 373 (27.8%) | 76 629 (31.9%) | 77 509 (35.4%) | 72 455 (39.1%) |
| 35–40 | 20 911 (7.7%) | 29 686 (11.2%) | 31 247 (13.0%) | 30 711 (14.0%) | 29 125 (15.7%) |
| >40 | 4492 (1.7%) | 5808 (2.2%) | 5984 (2.5%) | 6114 (2.8%) | 5708 (3.1%) |
| Pre-existing medical conditions* | 28 449 (10.5%) | 26 811 (10.1%) | 25 560 (10.7%) | 23 852 (10.9%) | 20 358 (11.0%) |
| Pre-existing mental health condition* | 14 677 (5.4%) | 11 805 (4.5%) | 9909 (4.1%) | 8481 (3.9%) | 6710 (3.6%) |
| Obesity/ overweight* | 64 854 (24.0%) | 54 925 (20.8%) | 46 605 (19.4%) | 40 468 (18.5%) | 31 083 (16.8%) |
| Substance misuse or smoking* | 33 480 (12.4%) | 27 036 (10.2%) | 22 613 (9.4%) | 19 345 (8.8%) | 14 371 (7.8%) |
| Total | 270 497 (22.9%) | 264 305 (22.4%) | 239 978 (20.4%) | 218 702 (18.6%) | 185 274 (15.7%) |
*See list of conditions included list in online supplemental table S2.
IMD, Index of Multiple Deprivation.