Sense of Coherence: A Predictor of Quality of Life in Caregivers of Cancer Patients

Background: The caregivers of cancer patients go through numerous changes in their lives, caused by the complexity of cancercare, which then influence their quality of life (QoL). In this context, the sense of coherence (SoC) has been introduced asindividuals' capacity to adapt to complex situations. Objectives: This study aimed at examining the relationship between QoL and SoC among the caregivers of cancer patients. Methods: This descriptive correlational study was performed on the caregivers of cancer patients referred to a teachinghospital in Tehran, Iran. In total, 200 eligible caregivers, selected by purposive and convenience sampling from September toDecember 2022, completed the research instrument comprised of a researcher-made demographic-clinical information form,the SoC Scale (13-item), and WHOQoL-BREF. The data were analyzed by the SPSS 20 software. To investigate the relationshipbetween caregivers' SoC and QoL, first, the correlation was determined, and afterward, the significant variables were analyzed,using multiple linear regression. Results: The overall mean score of QoL among the caregivers was 52.12 +/- 14.45. In this way, the highest and lowest values wereassociated with the domains of physical health and social relationships, receiving the mean scores of 55.19 +/- 11.46 and 38.40 +/- 10.08, respectively. The overall mean score of SoC was also equal to 49.71 +/- 9.34. As well, the results of the study demonstrated asignificant positive correlation between SoC and QoL (r = 0.585, P < 0.001) as well as its 3 domains. Considering the demographicand clinical factors, the regression outcomes revealed that SoC was a predictor of QoL in the caregivers of cancer patients (P <0.001, Beta = 0.65). Among the demographic factors, a significant correlation was accordingly observed between age, maritalstatus, income level, employment status, and QoL and some of its domains (P < 0.05). Conclusions: It was argued that SoC could be a positive predictor and a protective factor for QoL among the caregivers of cancerpatients. In this vein, it was recommended to give a boost to the SoC dimensions during oncology and palliative care via aninterdisciplinary approach and a variety of interventions. Upon developing QoL in the caregivers, QoL among the cancerpatients could be then promoted