Table 1.
Cross-sectional profile of population at start and end of the study compared with midyear population estimates from the Office for National Statistics
| Week 45 (2015) | ONS midyear 2015 population estimates for England49 | Week 28 (2021) | ONS midyear 2020 population estimates for England49 | |
| Children included (n) | 1 094 150 | 12 338 887 | 1 043 968 | 12 699 899 |
| Ethnicity | White—593 032 (54.2%) Black—35 446 (3.2%) Asian—78 692 (7.2%) Other—12 148 (1.1%) Missing/unclassified—344 307 (31.5%) |
White—8 903 313 (78.5%)* Black—562 333 (5.0%)* Asian—1 136 293 (10.0%)* Other—145 004 (1.3%)* Missing/unclassified—NA* |
White—500 162 (47.9%) Black—34 008 (3.3%) Asian—71 753 (6.9%) Other—15 555 (1.5%) Missing/unclassified—390 766 (37.4%) |
NA |
| IMD quintile | 1 (most deprived)—233 093 (21.3%) 5 (least deprived)—242 733 (22.2%) |
1 (most deprived)—2 962 565 (24.0%) 5 (least deprived)—2 301 477 (18.7%) |
1 (most deprived)—226 230 (21.7%) 5 (least deprived)—218 708 (20.9%) |
1 (most deprived)—3 018 135 (23.8%) 5 (least deprived)—2 352 108 (18.5%) |
| Living in urban/rural settings | Conurbation—407 092 (37.2%) Urban—506 868 (46.3%) Rural—180 173 (16.5%) |
Conurbation and urban—10 505 165 (80.8%)† Rural—2 500 562 (19.2%)† |
Conurbation—405 644 (38.9%) Urban—455 314 (43.6%) Rural—182 948 (17.5%) |
Conurbation—5 835 864 (43.1%)† Urban—4 948 489 (36.6%)† Rural—2 994 260 (22.1%)† |