RESUMO
Background: Improving quality of life is considered as one of the main factors determining the effectiveness of coronary artery bypass graft surgery. Self-efficacy provides conditions to fast recovery, prevention of relapse and improving quality of life. So, the aim of this study was to investigate the relationship between self-efficacy and quality of life in patients undergoing coronary artery bypass graft surgery
Materials and methods: This descriptive correlational study was carried out on 255 patients underwent coronary artery bypass graft in Social Security Hospitals in Tehran in 2016. Data collection was performed through three questionnaires including demographic data, Mc New quality of life questionnaire, and general self-efficacy questionnaire. Collected data were analyzed by using independent t test, ANOVA and regression analysis through SPSS-v22 software
Results: Of 255 subjects, 12.9 percent of them had weak quality of life and 78.1 percent had a medium level. Self-efficacy of 77.6% of patients was middle and 22.4% was high. The results showed that there was a significant relationship between self-efficacy and quality of life [r= 0.327, p=0.001]. Based on the regression model, by 15 percent of quality of life and 23 percent of self-efficacy can be explained by demographic variables
Conclusion: Results showed that most of participants had average quality of life and self-efficacy. There was a significant relationship between quality of life and self-efficacy. Accordingly, it is necessary to design and implement educational interventions by clinical staff in order to promote patient's self-efficacy and provides circumstance to improve quality of their life through this