Korean J Otorhinolaryngol-Head Neck Surg.
2012 Jan;55(1):20-25. 10.3342/kjorl-hns.2012.55.1.20.
Standardization for a Korean Adaptation of the International Outcome Inventory for Hearing Aids: Study of Validity and Reliability
- Affiliations
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- 1Questionnaire Translation Committee of Korean Otologic Society, Korea. yscho@skku.edu
- 2HANA ENT Hospital, Seoul, Korea.
- 3Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine,Seoul, Korea.
- 4Department of Otolaryngology-HNS, The Catholic University of Korea College of Medicine, Seoul, Korea.
- 5Department of Otolaryngology, College of Medicine, Kyung Hee University, Seoul, Korea.
- 6Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University School of Medicine, Seoul, Korea.
- 7Department of Otolaryngology Head & Neck Surgery, Gachon University of Medicine & Science, Incheon, Korea.
- 8Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.
- 9Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Korea.
- 10Department of Otorhinolaryngology-Head & Neck Surgery,Dankook University Hospital, Cheonan, Korea.
- KMID: 2277307
- DOI: http://doi.org/10.3342/kjorl-hns.2012.55.1.20
Abstract
- BACKGROUND AND OBJECTIVES
The evaluation of subjective outcomes of hearing aid fitting is of paramount importance along with audiometric improvement. The aim of this study was to develop a Korean adaptation of the International Outcome Inventory for Hearing Aids (IOI-HA) and to determine its reliability and validity.
SUBJECTS AND METHOD
The translation of IOI-HA into the Korean version (K-IOI-HA) was completed through a process of forward translation, reconciliation, reverse translation and cognitive debriefing. K-IOI-HA was administered to 101 patients using hearing aids and visiting any the 10 referral hospitals. Reliability was evaluated by Cronbach's alpha coefficient and by test-retest analysis. Validity was assessed by confirmatory factor analysis and criterion validity based on the results of pure tone audiometry.
RESULTS
K-IOI-HA showed a good internal consistency (Cronbach's alpha=0.83) and a high test-retest reliability (r=0.943, p<0.01). Validity checked by confirmatory factor analysis also showed good construct validity.
CONCLUSION
The Korean version of IOI-HA is a reliable and valid tool for evaluating subjective outcomes of hearing aids.
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