Table 2.
Multivariable analyses of demographic and clinical variables associated with people with intellectual disability being prescribed antipsychotic medication
| Variable | Group | OR (95% CI) | p Value |
|---|---|---|---|
| Age (years) | 14–25 | 1 | <0.001 |
| 26–35 | 1.39 (1.16 to 1.67) | ||
| 36–45 | 1.48 (1.21 to 1.81) | ||
| 46–55 | 1.61 (1.33 to 1.95) | ||
| 56–65 | 1.76 (1.42 to 2.20) | ||
| 66 and older | 2.24 (1.69 to 2.96) | ||
| Clinical care setting | ID outpatient | 1 | 0.001 |
| ID inpatient | 1.7 (1.32 to 2.18) | ||
| General adult | 1.22 (0.87 to 1.71) | ||
| Forensic inpatient | 1.04 (0.83 to 1.31) | ||
| Continuing care inpatient | 1.17 (0.63 to 2.17) | ||
| F00–F19 | No | 1 | <0.001 |
| Yes | 0.36 (0.26 to 0.48) | ||
| F20–F29 | No | 1 | <0.001 |
| Yes | 19.2 (13.5 to 27.5) | ||
| F30–F39 | No | 1 | <0.001 |
| Yes | 1.36 (1.15 to 1.61) | ||
| F40–F48 | No | 1 | 0.05 |
| Yes | 0.81 (0.67 to 1.00) | ||
| F80–89 | No | 1 | <0.001 |
| Yes | 2.00 (1.70 to 2.37) | ||
| Any ICD10 mental illness diagnosis | Yes | 1 | <0.001 |
| No | 0.63 (0.52 to 0.75) | ||
| Epilepsy | No | 1 | <0.001 |
| Yes | 0.71 (0.62 to 0.81) |