Advertisement

Quality of Life Research

, Volume 13, Issue 4, pp 863–868 | Cite as

Validation of the Korean version of the EORTC QLQ-C30

  • Y.H. Yun
  • Y.S. Park
  • E.S. Lee
  • S.-M. Bang
  • D.S. Heo
  • S.Y. Park
  • C.H. You
  • K. West
Article

Abstract

This study evaluated the Korean version of the EORTC QLQ-C30 (version 3.0) in terms of psychometric properties and its validation. One hundred and seventy patients completed three questionnaires EORTC QLQ-C30, the Beck depression inventory (BDI), and a brief pain inventory (BPI). Multitrait scaling analyses demonstrated that all scales met multidimensional conceptualization criteria, in terms of convergence and discrimination validity. Cronbach's α coefficients for eight multiple-item scales were greater than 0.70, with the exception of cognitive functioning. All interscale correlations were statistically significant in the expected direction (p < 0.01). Multivariate analyses showed that physical and emotional functioning were significant explanatory variables for the global quality-of-life (QOL) scale (regression coefficients: 0.36, p < 0.001; and 0.37, p < 0.001; respectively). All scales were significantly associated with pain severity and interference of the BPI, and with the cognitive-affective and somatic scales of the BDI. The emotional-functioning scale was substantially correlated with the cognitive-affective scale and somatic scale of the BDI. These results demonstrate that the Korean version of the EORTC QLQ-C30 is a valid instrument for evaluating Korean-speaking patients with cancer, and can be used to distinguish clearly between subgroups of patients of differing performance status.

BDI BPI EORTC QLQ-C30 Korea Validation study 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Moinpour CM, Feigl P, Metch B, Hayden KA, Meyskens FL Jr, Crowley J. Quality of life end point in cancer clinical trials: Review and recommendations. J Natl Cancer Inst 1989; 81: 485-495.Google Scholar
  2. 2.
    Aaronson NK, Ahmedzai S, Bergman B, Bullinger M, Cull A, Duez NJ, et al. The European Organization for Research and Treatment of Cancer EORTC QLQ-C30: A quality-of-life instrument for use in international clinical trials in oncology. J Natl Cancer Inst 1993; 85: 365-376.Google Scholar
  3. 3.
    Fayer P, Aaronson NK, Bjordal K, Sullian M. EORTC QLQ-C30 Scoring Manual. EORTC Quality of Life Group, Brussels, Belgium, 1995.Google Scholar
  4. 4.
    Beck AT, Ward CH, Mendelson M, Mock J, Erbaugh J. An inventory for measuring depression. Arch Gen Psychiat 1961; 4: 561-571.Google Scholar
  5. 5.
    Bech P. Rating scales for affective disorders: Their validity and consistency. Acta Psychiat Scand 1981; 64(suppl 295): 1-101.Google Scholar
  6. 6.
    Ian McDowell, Claire Newell. Measuring Health: A Guide to Rating Scales and Questionnaires. Oxford University Press, 1996; 242-249.Google Scholar
  7. 7.
    Hahn HM, Yum TH, Shin YW, Kim KH, Yoon DJ, Chung KJ. A standardization study of beck depression inventory in Korea. J Korean Neuropsychiat Assoc 1986; 25(3): 487-502.Google Scholar
  8. 8.
    Cleeland CS, Gonin R, Hatfield AK, Edmonson JH, Blum RH, Stewart JA, et al. Pain and its treatment in outpatients with metastatic cancer. N Engl J Med 1994; 330: 592-596.Google Scholar
  9. 9.
    Yun YH, Huh BY, Lee IG, Heo DS, Jeong HS, Kim HJ, et al. Multicenter study of pain and its management in patients with advanced cancer in Korea. J Pain Symptom Manage 2003; 25: 430-437.Google Scholar
  10. 10.
    Hays RD, Hayashi T, Carson S, Ware JE. A User's Guide for the Multitrait Analysis Program. Santa Monica, California: Rand Corporation, 1988.Google Scholar
  11. 11.
    Cronbach LJ. Coefficient alpha and the internal structure of test. Psychometrika 1951; 16: 297.Google Scholar
  12. 12.
    Kerlinger FN. Foundation of Behavior Research. New York: Holt, Rinehart & Winston, 1973.Google Scholar
  13. 13.
    Zhao H, Kanda K. Translation and validation of the Standard Chinese version of the EORTC QLQ-C30. Qual Life Res 2000; 9: 129-137.Google Scholar
  14. 14.
    Kaasa S, Bjordal K, Aaronson N, Moum T, Wist E, Hagen S, Kvikstad A. The EORTC core quality of life questionnaire (EORTC QLQ-C30): Validity and reliability when analyzed with patients treated with palliative radiotherapy. Eur J Cancer 1995; 31A(13/14): 2260-2263.Google Scholar
  15. 15.
    Kobayashi K, Takeda F, Teramukai S, Gotoh I, Sakai H, Yoneda S, et al. A cross-validation of the European organization for research and treatment of cancer EORTC QLQ-C30 (EORTC QLQ-C30) for Japanese with lung cancer. Eur J Cancer 1998; 34(6): 810-815.Google Scholar
  16. 16.
    Apolone G, Filiberti A, Cifani S, Mosconi P. Evaluation of the EORTC QLQ-C30 questionnaire: A comparison with SF-36 health survey in a cohort of Italian long-survival cancer patients. Ann Oncol 1998; 9: 549-557.Google Scholar
  17. 17.
    D'Antonio LL, Long SA, Zimmerman GJ, Peterman AH, Petti GH, Chonkich GD. Relationship between quality of life and depression in patients with head and neck cancer. Laryngoscope 1998; 108(6): 806-811.Google Scholar

Copyright information

© Kluwer Academic Publishers 2004

Authors and Affiliations

  • Y.H. Yun
    • 1
  • Y.S. Park
    • 1
  • E.S. Lee
    • 1
  • S.-M. Bang
    • 2
  • D.S. Heo
    • 3
  • S.Y. Park
    • 1
  • C.H. You
    • 1
  • K. West
    • 4
  1. 1.Research Institute and HospitalNational Cancer CenterGoyangKorea
  2. 2.Department of Internal MedicineGachon Medical SchoolIncheonKorea
  3. 3.Department of Internal MedicineSeoul National University HospitalSeoulKorea
  4. 4.EORTC Quality of Life UnitBrusselsBelgium

Personalised recommendations