The study investigates the effects of job stress on employee job performance. Quantitative design was employed for the study. The target population comprised of all employees in the selected health institution namely South Rand hospital and Nelson Mandela Children’s’ hospital in South Africa. A sample size of 250 respondents was used to gather data. Simple linear regression and descriptive statistics were used as the main data analysis tool. Findings from the study revealed varied causes of stress among health workers in South Africa. Poor working conditions, new technology, work overload and role conflict were the causes revealed by the study. The study indicated a direct effect of job stress on job performance. It revealed a significant negative relationship which means as job stress increases as a result of the workload, employees (health workers and administrators) performance decreases significantly. The study recommended that management must identify the possible causes of work-related stress employees’ face in the process of performing their duties to help reduce stress level significantly. Also, proper mechanism from both the individual and organizational approach to help manage stress related job like frequent leave, flexible work schedules, reduced working hours and frequent breaks to relax employees
Keywords: Employee Performance, Health, Job Stress, South Africa.
