Variable | Assignment |
Department | Comprehensive ICU = 1; Specialist ICU = 2 |
Professional title | Nurse = 1; Nurse practitioner = 2; Supervisor = 3; Deputy chief nurse and above = 4 |
Position | Nurse = 1; Nursing/Teaching team leader = 2; Head nurse = 3 |
Frequency of night shift | None = 1; 1 - 4 times/month = 2; 5 - 8 times/month = 3; over 8 times/month = 4 |
Experience of workplace violence | No = 1; Yes = 2 |
Score of psychological resilience | Substitution of original value |