Table 1.
Baseline characteristics of the included population
| No intellectual disability | Intellectual disability | |
|---|---|---|
| Total | 1,964,420 | 111,034 |
| Gender | ||
| Male | 1,117,680 (56.9%) | 64,268 (57.9%) |
| Female | 846,740 (43.1%) | 46,766 (42.1%) |
| Age (years) | ||
| 18–30 | 815,697 (41.5%) | 49,219 (44.3%) |
| 30–40 | 286,512 (14.6%) | 15,689 (14.1%) |
| 40–50 | 303,368 (15.4%) | 16,339 (14.7%) |
| 50–60 | 257,704 (13.1%) | 13,732 (12.4%) |
| 60–70 | 158,617 (8.1%) | 8406 (7.6%) |
| >70 | 142,522 (7.3%) | 7649 (6.9%) |
| Ethnicity | ||
| White | 1,622,952 (82.6%) | 95,798 (86.3%) |
| Asian | 129,220 (6.6%) | 6169 (5.6%) |
| Black | 75,192 (3.8%) | 4479 (4%) |
| Mixed/Multiple | 25,567 (1.3%) | 1566 (1.4%) |
| Other | 7630 (0.4%) | 182 (0.2%) |
| Unknown | 103,859 (5.3%) | 2840 (2.6%) |
| Deprivation (IMD quintile) | ||
| 1 - Least deprived | 347,257 (17.7%) | 14,824 (13.4%) |
| 2 | 370,388 (18.9%) | 18,721 (16.9%) |
| 3 | 380,329 (19.4%) | 21,651 (19.5%) |
| 4 | 415,110 (21.1%) | 25,506 (23%) |
| 5 - Most deprived | 448,408 (22.8%) | 30,169 (27.2%) |
| Unknown | 2928 (0.1%) | 163 (0.1%) |
IMD Index of Multiple Deprivation