Demographic information for children and young people aged 5–24 years at baseline with and without intellectual disabilities
Demographic information* | Intellectual disabilities | Controls | P value† | ||
Total, n (person-years) | 7247 | 66 871.403 | 156 439 | 1 466 631.0 | – |
Male sex, n (%) | 4460 | 61.5 | 77 979 | 49.8 | <0.001 |
Age, n (%) | |||||
5–9 | 1435 | 19.8 | 34 607 | 22.1 | <0.001 |
10–14 | 1879 | 25.9 | 37 514 | 24.0 | |
15–19 | 2063 | 28.5 | 40 990 | 26.2 | |
20–24 | 1870 | 25.8 | 433 328 | 27.7 | |
SIMD quintile, n (%) at time of census | |||||
1 (most deprived) | 1781 | 24.6 | 30 868 | 19.7 | <0.001 |
2 | 1522 | 21.0 | 29 765 | 19.0 | |
3 | 1417 | 19.6 | 30 742 | 19.7 | |
4 | 1343 | 18.5 | 31 387 | 20.1 | |
5 (least deprived) | 1184 | 16.3 | 33 677 | 21.5 | |
Deaths, n, crude rate per 100 000 (CI)‡ | 260 | 388 (344–439) | 528 | 36 (33–39) | – |
*Data taken from time of census.
†X2 test for intellectual disabilities compared with control group. (For SIMD, X2 test (Pearson χ2 test for independence) was performed across all categories, overall p value.)
‡Three individuals had a record of death which occurred before the date of the census so were removed.
SIMD, Scottish Index of Multiple Deprivation.