Table 2.
Incidence of recorded mental illness, challenging behaviour, and psychotropic drug prescription in adults with intellectual disability in UK primary care, 1999-2013
| Variable | No of events | No of patient years (×10 000) | Incidence per 10 000 patient years (95% CI) |
|---|---|---|---|
| Any mental illness | 3998 | 15.2 | 262 (254 to 271) |
| Severe mental illness | 617 | 19.5 | 32 (29 to 34) |
| Depression | 3054 | 17.9 | 171 (165 to 177) |
| Anxiety | 2512 | 18.0 | 139 (134 to 145) |
| Challenging behaviour | 3615 | 15.1 | 239 (231 to 247) |
| Any psychotropic drug | 4640 | 9.0 | 518 (503 to 533) |
| Antipsychotic | 2107 | 15.9 | 132 (127 to 138) |
| Antidepressant | 4733 | 15.1 | 313 (305 to 323) |
| Mood stabiliser | 1337 | 16.3 | 82 (78 to 87) |
| Anxiolytic/hypnotic | 4835 | 14.7 | 330 (321 to 339) |
| Antidementia drugs | 204 | 21.1 | 10 (8 to 11) |
| Drugs for attention-deficit/hyperactivity disorder | 52 | 21.0 | 2 (2 to 3) |