Table 3.
Characteristics of Homicide Victims and MAH Perpetrators.
| MAH Perpetrators | Non-MAH Perpetrators | χ2 (P) | |
|---|---|---|---|
| Victim type, % (95% confidence interval) | |||
| Family | 60.6 (52.8, 68.0) | 34.3 (32.7, 35.9) | 47.9 (<0.001) |
| Other intimate/acquaintance | 30.0 (23.2, 37.5) | 49.3 (47.7, 51.0) | 23.5 (<0.001) |
| Stranger | 9.4 (5.5, 14.8) | 16.4 (15.2, 17.6) | 5.35 (<0.05) |
| Diagnosis, n (%) | |||
| Psychosis | 132 (82.5) | — | — |
| Schizophrenia only | 85 (53.1) | — | — |
| Mood/anxiety without psychosis | 18 (11.3) | — | — |
| Neurocognitive/developmental | 12 (7.5) | — | — |
| Paraphilia | 2 (1.3) | — | — |
| Personality disorder (PD) | 28 (17.5) | — | — |
| Antisocial PD | 15 (9.4) | — | — |
| Substance use disorder | 66 (41) | — | — |
MAH, mentally abnormal homicide. Includes persons found not criminally responsible on account of mental disorder and persons found unfit to stand trial. —, data values are not applicable for these cells.