The role of mediator of self-care in relationship between self-efficacy and health-related quality of life in patients with cardio vascular diseases

The aim of current study is to examine the role of mediator of self-care in relationship between self-efficacy, emotional regulation and health-related quality of life in patients with cardiovascular diseases. The procedure of this research was descriptive and correlation. The statistical population of this study is all patients with coronary artery disease referred to Shohada Tajrish Hospital in Tehran in 1399 years which were 350 patients. We selected 184 patients based on Green formula. Method of sampling was convenience. The instruments of this study were cardiac self-efficacy questionnaire of Sullivan & et al (1998), questionnaire of self-care Jarasma & et al (2003) and questionnaire of quality of life related to health Kasinski and Keller (1996). The collective data was analyzed by path analysis. The results show that there are positive and significant relationship between self-efficacy, self-care and health-related quality of life in people with coronary artery. Also the data showed that path coefficient relationship between self-efficacy and health-related quality of life (β= 0.197) was positive significantly. Also Self-care mediates the relationship (β= 0.249) in patients with cardiovascular diseases (p<0.005). Based on the findings, it can be said that part of the effect of self-efficacy on health-related quality of life could be applied through self-care. Then, by increasing self-efficacy and self-care could be improvement of health-related quality of life in patients with cardiovascular diseases