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Sleep-related problems as a mediator in the association between depression and work-family conflict in middle-aged
1Department of Nursing, Hyejeon College, Hongseong-gun, Korea.
Aim:
To investigate the mediating effect of sleep-related problems on the relationship between depression and work-family conflicts (WFCs) among middle-aged female workers.
Design:
Secondary analysis of cross-sectional study.
Methods:
Overall, 15,718 female workers aged 40-65 years from the Sixth Korean Working Conditions Survey (KWCS) were included. Depression was assessed using the WHO-5 wellbeing index; sleep-related problems and WFCs were measured with five items on a Likert scale. The mediating effect of sleep-related problems between depression and WFCs was analysed using model 4 of Hayes PROCESS macro for SPSS.
Results:
There was a significant positive correlation between depression and both sleep-related problems (r = 0.225, p < 0.001) and WFCs (r = 0.124, p < 0.001). Depression also had a significant effect on sleep-related problems (β = 0.221, p < 0.001) and WFCs (β=0.061, p < 0.001). Sleep-related problems had a significant effect on WFCs (β = 0.282, p < 0.001). The indirect effect of depression on WFCs by mediating sleep-related problems was β = 0.062 (95% bootstrap confidence interval = 0.057-0.068). The study also confirmed the significance of the mediating effect of sleep-related problems in the relationship between depression and WFCs.
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