Skip to main content

Table 6 Odds ratios for the occurrence of severe aggressive incidents (n = 2017)

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)  
  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)  
  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
  1. # calculated separately for each variable *wald statistic
  2. calculated separately for each diagnostic category compared to all other diagnostic groups
  3. 1 1 missing 2 106 missing 3 94 missing