The role of Fatigue Severity, Sleep Quality, and Occupational Hardiness Dimensions in the Prediction of Psychological Strain among Nurses Working in Hospitals of Bandar Abbas and Haji Abad (Iran)

Background and Objectives: Nurses as the largest group of health services provider must be away from psychological strain in order to provide patients with a desirable care. Hence, this research was conducted with the objective of assessing the role of fatigue severity, sleep quality, and occupational hardiness dimensions in the prediction of psychological strain among nurses working in hospitals of Bandar Abbas and Haji Abad. Methods: This study was conducted as a descriptive correlational study on all nurses working in hospitals of Bandar Abbas and Haji Abad in 2018. A total of 126 subjects were selected using available sampling method. The used collection tools included Psychological Strain Questionnaire (PSQ), Fatigue Severity Scale (FSS), Pittsburgh Sleep Quality Index (PSQI), and Occupational Hardiness Questionnaire (OHQ). Data were analyzed using Pearson correlation and multiple regression tests. Results: The results was indicative of poor sleep quality in the nurses. Based on the regression analysis, the fatigue severity, sleep quality, and the components of challenge and control of occupational hardiness can explain 61.6% of the variance of psychological strain, but the commitment component of occupational hardiness could not predict psychological strain (p>0.05). Conclusion: According to the findings of this study, training and intervention on improving fatigue severity, sleep quality, and occupational hardiness of nurses can be suggested as an effective way in the reduction of their psychological strain.