Table 1.
Age, gender, and deprivation status, intellectual disabilities versus controls
| Variable | Intellectual disabilities | No intellectual disabilities |
|---|---|---|
| Number (%) | Number (%) | |
| Total (%) | 8014 (0.6 %) | 1,416,364 (99.4 %) |
| Gender (% male) | 4518 (56.4 %) | 694,911 (49.1 %) |
| Mean Age (sd) | 43.1 (15.8) | 48.0 (18.3) |
| Age group | ||
| 18–24 | 1192 (14.9) | 150,501 (10.6) |
| 25–34 | 1419 (17.7) | 227,977 (16.1) |
| 35–44 | 1811 (22.6) | 277,182 (19.6) |
| 45–54 | 1639 (20.5) | 252,155 (17.8) |
| 55–64 | 1116 (13.9) | 218,217 (15.4) |
| 65–74 | 593 (7.4) | 154,687 (10.9) |
| 75 and above | 244 (3.0) | 135,645 (9.6) |
| Deprivation Quintile | ||
| Least Deprived | 959 (11.9) | 271,070 (19.1) |
| 2 | 1421 (17.7) | 302,733 (21.4) |
| 3 | 1849 (23.0) | 320,398 (22.6) |
| 4 | 1757 (21.9) | 269,627 (19.0) |
| Most Deprived | 2028 (25.3) | 252,536 (17.8) |
All difference significant at p < 0.001