Can the five-factor model adequately represent the quality-of-life in cancerous patients?

Background: Mental health provides a significant achievement for cancerous patients to alleviate prolonged suffering albeit stress would be the main part of their diseases. Aims: We intend to study the influence of personality dimensions upon cancer patients' quality-of-life (QOL). Materials and Methods: Short form of NEO Personality Inventory and QOL questionnaire were applied in both descriptive and correlational analyzing. Moreover, the sample group was included 100 patient selected purposefully. Who refer to two medical center of Tehran from April 2012 to March 2013. Participants all fillequestionnaires out. The QOL questionnaire and the short format of NEO personality inventory were used. All of the data were analyzed with Pearson coefficient and multivariate regression analysis. Results: The results indicated that a significant relationship between neuroticism, agreeableness, and QOL was among the patients. Meantime, 23% of variances in quality of lives would be accounted with factors such as neuroticism, agreeableness, extroversion which could significantly predict changes in the patients' lives. Conclusion: Personality factors are an important variable for the QOL in cancer patients.