Hazard ratio (95% CI) adjusted cumulatively for | ||||||
---|---|---|---|---|---|---|
Model | Number of violent re-offenders (%) | Number of non-re-offenders (%) | Age and sex | + Any previous violent conviction | + Index violent offence | + Comorbid substance use disorder |
No psychiatric disorder | 35 (22%) | 124 (78%) | 1.00 | 1.00 | 1.00 | 1.00 |
I. Schizophrenia | 58 (23%) | 190 (77%) | 1.15 (0.73–1.81) | 1.21 (0.77–1.89) | 1.29 (0.82–2.03) | 1.28 (0.77–2.11) |
II. Depression | 69 (22%) | 239 (78%) | 1.28 (0.83–1.96) | 1.31 (0.86–2.00) | 1.31 (0.86–2.00) | 1.28 (0.82–2.00) |
III. Substance use disorders as principal or comorbid diagnosis | 848 (36%) | 1488 (64%) | 1.94 (1.38–2.72) | 1.82 (1.30–2.56) | 1.97 (1.40–2.77) | NA |
IV. Personality disorder as principal or comorbid diagnosis | 753 (35%) | 1406 (65%) | 1.89 (1.34–2.65) | 1.80 (1.28–2.53) | 1.91 (1.36–2.68) | 1.71 (1.20–2.44) |