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11-Nov-2026
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Arch Hellen Med, 44(1), January-February 2027, 56-61 ORIGINAL PAPER Validity and reliability of the Greek version of the Conflict of Interest Questionnaire for medical and nursing staff in public hospitals A. Sioki,1,2 A. Christakis,3 C. Koutsospyros,1,4 A. Toska,3 E. Fradelos,3 M. Saridi3 |
OBJECTIVE The translation, cross-cultural adaptation, and validation of the Greek version of a questionnaire that assesses the knowledge and attitudes of medical and nursing staff regarding conflict of interest (COI) in public hospitals.
METHOD A structured questionnaire was translated into the Greek language following a six-step methodology. Content validity was assessed using the content validity index (CVI) for quantitative estimation. Reliability was investigated using the test-retest method (repeated measures). The final questionnaire comprised 49 items divided into four sections and was administered to a sample of 208 physicians and nurses from two public hospitals.
RESULTS The questionnaire demonstrated high validity and reliability (CVI: 0.8–1.0 and test-retest agreement 85–100%). Although the majority (74.3%) reported knowing the concept of COI, their ability to identify specific conflict situations was limited. Physicians showed significantly greater awareness of COI cases compared to nurses. Furthermore, relevant training and knowledge of the institutional framework were extensively lacking.
CONCLUSIONS The Greek version of the questionnaire is deemed valid and reliable for use with medical and nursing personnel. The findings highlight a significant discrepancy between stated knowledge and substantive understanding of COI, underscoring the urgent need to enhance education and COI management policies within hospitals.
Key words: Conflict of interest, Public hospitals, Reliability, Validity.
