Table 3.

Association of workplace violence with occupational stress measured in 2005. Logistic regression analysis, Odds ratios (ORs), and 95% CIs (unadjusted and adjusted for age, gender, job, and department) and Nagelkerke R ² (explained variance) of significant associations.

Variable	Demand1	Control2	Support2	Job strain1
Physical aggression (N = 39)
Un.	2.39 (1.19–4.81)*   R 2 = 0.14	1.44 (0.70–2.94)	2.10 (1.03–4.30)*   R 2 = 0.01	4.29 (1.94–9.49)***   R 2 = 0.03
Ad.	2.11 (1.12–4.38)*   R 2 = 0.10	1.95 (0.93–4.09)	1.95 (0.94–4.06)	4.94 (2.18–11.18)***   R 2 = 0.12
Nonphysical aggression (N = 87)
Un.	4.69 (2.71–8.09)***   R 2 = 0.08	2.02 (1.19–3.43)**   R 2 = 0.02	3.04 (1.80–5.16)***   R 2 = 0.04	5.59 (3.17–9.87)***   R 2 = 0.09
Ad.	4.24 (2.40–7.49)***   R 2 = 0.15	2.78 (1.59–4.87)***   R 2 = 0.08	2.87 (1.66–4.94)***   R 2 = 0.06	6.61 (3.64–12.0)***   R 2 = 0.18
	Effort1	Reward2	Overcommitment1	E/R imbalance1
Physical aggression (N = 39)
Un.	2.78 (1.38–5.59)**   R 2 = 0.02	2.46 (1.18–5.14)*   R 2 = 0.01	2.03 (1.06–3.91)*   R 2 = 0.01	4.35 (1.97–9.62)***   R 2 = 0.03
Ad.	2.69 (1.31–5.55)**   R 2 = 0.07	2.44 (1.15–5.18)*   R 2 = 0.02	2.00 (1.02–3.90)*   R 2 = 0.02	4.33 (1.92–9.74)***   R 2 = 0.07
Nonphysical aggression (N = 87)
Un.	3.39 (2.07–5.57)***   R 2 = 0.05	2.70 (1.62–4.51)***   R 2 = 0.03	1.68 (1.06–2.65)*   R 2 = 0.01	4.16 (2.45–7.04)***   R 2 = 0.07
Ad.	3.28 (1.95–5.51)***   R 2 = 0.10	2.79 (1.64–4.75)***   R 2 = 0.04	1.62 (1.01–2.61)*   R 2 = 0.02	4.14 (2.39–7.15)***   R 2 = 0.10
	Anxiety1	Depression1
Physical aggression (N = 39)
Un.	3.85 (1.80–8.24)***   R 2 = 0.03	3.39 (1.62–7.09)***   R 2 = 0.03
Ad.	5.00 (2.27–11.0)***   R 2 = 0.08	4.04 (1.89–8.62)***   R 2 = 0.06
Nonphysical aggression (N = 87)
Un.	2.14 (1.34–4.33)***   R 2 = 0.02	2.32 (1.45–3.73)***   R 2 = 0.03
Ad.	2.61 (1.60–4.30)***   R 2 = 0.07	2.66 (1.61–4.39)***   R 2 = 0.06

  ¹Higher than median value; ²lower than median value.

*P < 0.05; **P < 0.01; ***P < 0.001.