• Dong Wook Shin, Eunmi Ahn, Yong-Man Kim, Sokbom Kang, Byoung-Gie Kim, Seok Ju Seong, Soon Do Cha, Chan-Yong Park, and Young Ho Yun.
• National Cancer Control Research Institute and Hospital, National Cancer Center, Ilsan-Gu, Goyang, Korea.
• Oncology. 2009 Jan 1; 76 (3): 190-8.

ObjectivesThis study was conducted to evaluate the psychometric properties of the Korean version of the Quality of Life questionnaire cervical cancer module (QLQ-CX24), developed by the European Organization for Research and Treatment of Cancer (EORTC).MethodsThe EORTC QLQ-CX24 and the core questionnaire (the EORTC QLQ-C30) were administered to 860 Korean disease-free survivors of cervical cancer and 494 female control subjects from the general Korean population. The construct reliability and validity of the EORTC QLQ-CX24 questionnaire were assessed via factor analysis, multitrait scaling analyses and known group comparisons.ResultsFactor structure of the Korean version of the EORTC QLQ-CX24 questionnaire agreed with the originally hypothesized scale structure. Scale reliability was confirmed by Cronbach's alpha coefficients for internal consistency, which ranged from 0.78 to 0.87. Convergent and discriminant validity was confirmed by multitrait scaling analysis, which revealed scaling errors of 0.9. The clinical validity of the Korean version of the EORTC QLQ-CX24 was demonstrated by the ability to discriminate among controls and patient subgroups of different stages, treatments and overall health status.ConclusionsThe Korean version of the EORTC QLQ-CX24 was found to be a reliable and a valid measure of quality of life among survivors of cervical cancer when administered in a large survey setting.Copyright 2009 S. Karger AG, Basel.

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