Objective: To explore the occurrence and dynamic trends of psychological stress responses of medical staff experiencing workplace violence at different time points.
Methods: A longitudinal study of 23 medical workers who experienced workplace violence was conducted. The perceived stress scale (PSS-4), posttraumatic stress disorder checklist for DSM-5 (PCL-5), and hospital anxiety and depression scale (HADS) were used to measure the medical workers' psychological perception of pressure, posttraumatic stress symptoms, anxiety, and depression at the time of exposure to violence, at 1 month, 2 months, and 4 months after exposure in the workplace, respectively. Repeated measures analysis of variance was applied to analyze psychological stress response and temporal effect. Factors influencing psychological stress responses were analyzed.
Results: The scores of PSS-4, PCL-5, HADS-anxiety, and HADS-depression of medical staff exposed to violence began to increase at the time of exposure, peaked 1 month after exposure, and gradually decreased 2 months and 4 months after exposure (all P<0.05). The main influencing factors were being nurses, physical violence, working years ≤5, and being female.
Conclusion: Effective interventions for medical staff should be made up to 1 month after exposure to workplace violence when the psychological stress responses are the highest.
Keywords: Medical staff; intervention; longitudinal study; psychological stress; workplace violence.
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