Korean J Otorhinolaryngol-Head Neck Surg.
2011 Nov;54(11):755-760. 10.3342/kjorl-hns.2011.54.11.755.
Standardization for a Korean Version of Chronic Ear Survey: Translation and Verification of Validity and Reliability
- Affiliations
-
- 1Questionnaire Translation Committee of Korean Otologic Society, Korea. yscho@skku.edu
- 2Department of Otolaryngology-HNS, College of Medicine, Kyung Hee University, Seoul, Korea.
- 3Department of Otorhinolaryngology-HNS, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
- 4Department of Otolaryngology-HNS, The Catholic University of KoreaCollege of Medicine, Seoul, Korea.
- 5Department of Otolaryngology-HNS, Gachon University of Medicine andScience Graduate School of Medicine, Incheon, Korea.
- 6Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.
- 7Department of Otorhinolaryngology-HNS, Konkuk University School of Medicine, Seoul, Korea.
- 8Department of Otorhinolaryngology-HNS, University of Ulsan College of Medicine, Ulsan, Korea.
- 9Department of Otorhinolaryngology-HNS, Korea University School of Medicine, Seoul, Korea.
- 10Department of Otorhinolaryngology-HNS, Yonsei University College of Medicine, Seoul, Korea.
- KMID: 2277269
- DOI: http://doi.org/10.3342/kjorl-hns.2011.54.11.755
Abstract
- BACKGROUND AND OBJECTIVES
The Chronic Ear Survey (CES) has been known to be a valid, disease-specific measure for the evaluation of health status and treatment effectiveness for chronic otitis media patients. As part of this study, we developed a Korean version by adapting from this CES, determined its reliability and validity. MATERIALS AND METHOD: The development of the Korean version of CES (K-CES) included the processes of standard independent translation and cross-cultural adaptation to check for cultural inconsistency. The finalized K-CES was administered to 166 patients visiting 10 referral hospitals in a prospective manner. K-CES was validated by using the Cronbach's alpha coefficient, confirmatory factor analysis and test-retest analysis for reliability and validity. The 36-Item Short Form Health Survey Instrument (SF-36) was assessed and the result was used to evaluate the criterion validity.
RESULTS
The K-CES demonstrated good test-retest reliability and internal consistency (Cron-bach's alpha=0.850). Scale-item correlation coefficient was even higher than 1.0, which shows a very high reliability of K-CES. The validity of K-CES, checked by confirmatory factor analysis, also showed good construct validity. There was high correlation between SF-36 and the scores of K-CES, which indicates high criterion validity.
CONCLUSION
We concluded that K-CES is a valid tool for clinical use and research studies in Korean patients with chronic otitis media.
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