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

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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.