Objective: To investigate the relationship between self-efficacy, marital status, and quality of life among Banda Aceh Hospital chemotherapy patients in Indonesia.
Methods: The descriptive design was correlational with a cross-sectional approach. Sampling type of the research method used purposive sampling. The sample size of 100 breast cancer patients undergoing chemotherapy met the inclusion criteria. Instruments for this research used the Questionnaire Quality of Life-Breast Cancer (QOL-BC) and the Symptom Management Breast Cancer Self-Efficacy Scale (SMSES-BC). Multiple linear regression and spearman rank correlation were used in this analysis.
Results: Self-efficacy (P