Table 4 Multivariate Logistic regression models, odds ratios (ORs) and 95 % confidence interval (CI95%) corrected for age, gender, job and department

Male

1.00 (0.62-1.63))

1.49 (0.90-2.47)

0.93 (0.66-1.32)

0.77(0.30-2.01)

Female

1

1

1

1

Physician

0.99 (0.47-2.11)

1.49 (0.54-4.10)

0.86 (0.52-1.41)

1.69 (0.42-6.90)

Nurse

1.25 (0.69-2.27)

1.63 (0.65-4.08)

0.63 (0.42-0.94)*

0.52 (0.14-1.98)

Other workers

1

1

1

1

Psychiatry

19.80 (7.82-50.11)***

21.69 (6.86-68.56)***

4.55 (2.49-8.29)***

3.71(0.70-19.55)

A&E

4.29 (1.61-11.40)***

6.03 (1.98-18.39)***

2.73 (1.55-4.84)***

1.89 (0.37-9.69)

Medical & surgical wards

2.75 (1.09-6.96)**

2.07 (0.69-6.28)

1.91 (1.15-3.18)*

2.54 (0.61-10.62)

Outpatient

1.57 (0.54-4.59)

2.70 (0.83-8.75)

1.70 (0.93-2.92)

1.13 (0.18-7.06)

Services

1

1

1

1