From: Frequency and severity of aggressive incidents in acute psychiatric wards in Switzerland
 |  | n | Patients with severe aggressive incident (SOAS-R-Score >8) | Crude odds ratio# |  |
---|---|---|---|---|---|
 | Factor |  |  | OR (95%-CI) | p* |
Gender | female | 940 | 8.5% | (ref) | Â |
 | male | 1077 | 10.2% | 1.21 (0.92–1.60) | 0.18 |
Age1 | ≤ 29 yrs. | 537 | 10.2% | 1.04 (0.75–1.43) | 0.82 |
 | 30–48 yrs. | 986 | 10.2% | (ref) |  |
 | ≥ 49 yrs. | 493 | 6.9% | 0.67 (0.46–0.99) | 0.04 |
Admission2 | voluntary | 1165 | 6.6% | (ref) | Â |
 | involuntary | 746 | 13.3% | 2.16 (1.63–2.90) | <0.001 |
LOS | ≤ 5 days | 703 | 3.7% | 0.46 (0.29–0.73) | 0.002 |
 | 6–16 days | 674 | 7.7% | (ref) |  |
 | ≥ 17 days | 640 | 17.5% | 2.72 (1.96–3.77) | <0.001 |
Diagnosis (ICD-10)†3 | F1 | 503 | 5.6% | 0.50 (0.33–0.76) | 0.001 |
 | F2 | 590 | 13.9% | 2.10 (1.54–2.88) | <0.001 |
 | F3 | 336 | 6.8% | 0.68 (0.43–1.08) | 0.101 |
 | F4/6 | 358 | 5.9% | 0.56 (0.35–0.90) | 0.017 |
 | Others | 136 | 16.9% | 2.16 (1.34–3.48) | 0.002 |