Structural model of health-related quality of life in diabetic patients based on mental well-being and quality of sleep mediated by self-care behaviors

Document Type : Original Article


1 Department of Health Psychology, Khorramshahr- Persian Gulf International Branch, Islamic Azad University, Khorramshahr,Iran.

2 Assistant Professor, Department of Psychology, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.


Background: Diabetes has long-term complications and therefore affects the health of the community in addition to the individual. Diabetes can have significant psychological effects on health and delay the recovery of the disease.
Objective: This study aimed to determine the causal model of health-related quality of life based on subjective well-being and sleep quality mediating by self-care behaviors in diabetic patients.
Methods: This correlational study was conducted using the path analysis statistical method. The statistical population included all middle-aged patients with diabetes who were referred to the endocrinologists of Bushehr province in 2019, among whom 195 people were selected by the available sampling method. Data obtained by SF-36 Health-Related Quality of Life Questionnaire, Diabetes self-care questionnaire, Pittsburgh Sleep Quality Questionnaire, and Mental Well-Being Scale. The data were analyzed using the path analysis method using SPSS.22 and Amos.22 software.
Results: The results showed that both the variables of sleep quality and mental well-being through self-care had a direct and significant relationship with quality of life (p <0.001). The direct relationship between sleep quality and quality of life was not significant. But there was a significant direct relationship between mental well-being and quality of life (p <0.001).
Conclusion: It can be concluded that sleep quality and mental well-being affect the self-care that the patient chooses, they can predict the quality of life of diabetic patients.


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