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

Background: diabetes has long-term complications, and therefore, affects the health of both the community and individual. diabetes can have significant psychological effects on health and delay the recovery of the disease. objectives: this study aimed to determine the causal model of health-related quality of life based on subjective well-being and sleep quality mediated by self-care behaviors in diabetic patients. methods: this correlational study was conducted using the path analysis statistical method. the statistical population (n=195) included all middle-aged patients with diabetes referred to the endocrinologists of bushehr province, iran, in 2019 and selected by the availability sampling method. the instrument used to collect data were questionnaires, namely a demographic form, the 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 in spss software (version 22) and amos software (version 22) using the path analysis method. results: the results showed that both the variables of sleep quality and mental well-being mediated by 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 signifi- cant. however, 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 affected the self-care that the patient selected and could predict the quality of life of diabetic patients.