Current Psychology

, Volume 38, Issue 1, pp 229–238 | Cite as

The Psychometric Properties of Cancer Behavior Inventory as a Predictor of Quality of Life in Turkish Cancer Patients

  • Özlem BozoEmail author
  • İrem Akıncı
  • Cansu Akyüz


In the literature, studies showed that self-efficacy of cancer patients are related to their quality of life in different domains. Considering the need of a scale measuring cancer related self-efficacy in Turkish culture, the objective of the current study was to examine psychometric reliability and validity of Cancer Behavior Inventory (CBI) in Turkish cancer patients. One-hundred and twenty cancer patients participated in the study. In addition to CBI, participants were administered Beck Depression Inventory, Multidimensional Quality of Life Scale – Cancer, Ways of Coping Inventory, Life Orientation Test-Revised, and General Self-Efficacy Scale to test the validity of the adapted scale. The results showed that the CBI has a four-factor structure in Turkish culture. The internal consistency of the scale was .91 and the internal consistencies of subscales ranged between .70 and .90. The validity scores of the scale were also satisfactory. The regression analysis revealed that the CBI predicts the patients’ quality of life better than General Self-efficacy Scale. CBI is a valid and reliable measure. As compared to general self-efficacy measures, CBI provides more precise information about cancer patients' QOL. The results, directions for future studies and limitations were discussed in the light of the literature.


Cancer behavior inventory Cancer related self-efficacy Quality of life Reliability Validity 


Compliance with Ethical Standards


This study was not funded by any institution.

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.Department of PsychologyMiddle East Technical UniversityAnkaraTurkey

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