Background: Occupational fatigue is a condition of decreased physical and mental capacity that can impact productivity and workplace safety. Non-medical staff in hospitals are at risk of experiencing fatigue due to administrative work demands, workload, and psychological stress. Purpose: To determine the relationship between length of service, workload, and job stress with job fatigue in non-medical staff. Method: This study used an observational analytical design with a cross-sectional approach. The sample in this study was 149 non-medical staff at Sekayu Regional Hospital. The sampling technique used accidental sampling. Data analysis was performed using the Chi-square test with a significance level of 0.05. Results: There was a relationship between length of service, workload, and job stress with job fatigue. Respondents with long tenure, high workload, and high job stress tended to experience more severe job fatigue. Conclusion: Length of service, workload, and job stress are associated with job fatigue in non-medical staff at Sekayu Regional Hospital. Keywords: Length Of Service; Work Fatigue; Work-Related Stress; Workload.
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