Table 4.
Incidence of new prescription of antipsychotic drugs in adults with intellectual disability in UK primary care, 1999-2013, by sociodemographic factors and neuropsychiatric diagnosis
| Factor | Rate (per 10 000 patient years) (95% CI) |
|---|---|
| Sex: | |
| Male | 134 (125 to 142) |
| Female | 131 (124 to 139) |
| Age group, years: | |
| 18-29 | 130 (120 to 141) |
| 30-39 | 122 (111 to 134) |
| 40-49 | 118 (107 to 130) |
| 50-59 | 132 (118 to 147) |
| 60-69 | 149 (129 to 173) |
| 70-79 | 213 (177 to 257) |
| ≥80 | 305 (236 to 394) |
| Townsend deprivation fifth: | |
| 1 (least deprived) | 131 (118 to 147) |
| 2 | 135 (121 to 149) |
| 3 | 136 (124 to 149) |
| 4 | 133 (122 to 146) |
| 5 (most deprived) | 122 (110 to 134) |
| Missing | 154 (127 to 186) |
| Neuropsychiatric diagnosis: | |
| Challenging behaviour | 237 (222 to 252) |
| No challenging behaviour | 96 (90 to 101) |
| Severe mental illness | 1005 (890 to 1135) |
| No severe mental illness | 118 (112 to 123) |
| Depression | 250 (233 to 269) |
| No depression | 104 (99 to 110) |
| Anxiety | 246 (228 to 265) |
| No anxiety | 109 (104 to 115) |
| Autism | 232 (207 to 259) |
| No autism | 123 (118 to 129) |
| Dementia | 257 (208 to 318) |
| No dementia | 129 (124 to 135) |
| Epilepsy | 138 (126 to 150) |
| No epilepsy | 131 (124 to 137) |