Mediating Effect of Depression on the Relationship between Shift Nurses' Sleep Quality and Job Satisfaction

Purpose : This study examined the mediating effect of depression on the relationship between shift nurses' sleep quality and job satisfaction. Methods : A cross-sectional design combined with a survey method was used. One university hospital and general hospital each were selected based on convenience sampling. Data were collected between March 30 and April 24, 2023, using a self-report questionnaire from 180 three-shift nurses. Data were analyzed using descriptive statistics, independent t-test, one-way ANOVA, Pearson correlation analysis, and Process Macro with the SPSS/WIN 28.0 program. Results : Job satisfaction was significantly correlated with sleep quality and depression. Additionally, depression mediated the relationship between sleep quality and job satisfaction. Conclusion : Depression played a mediating role in the relationship between shift nurses' sleep quality and job satisfaction. To increase job satisfaction, sleep quality and depression should be monitored and improved.