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KMID : 0361020120550010020
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Korean Journal of Otolaryngology - Head and Neck Surgery
2012 Volume.55 No. 1 p.20 ~ p.25
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Standardization for a Korean Adaptation of the International Outcome Inventory for Hearing Aids: Study of Validity and Reliability
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Chu Ho-Suk
Cho Yang-Sun
Park Shi-Nae
Byun Jae-Yong
Shin Jung-Eun
Han Gyu-Cheol
Chun Byung-Chul
Lee Jun-Ho
Jung Jae-Yun
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Abstract
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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 α=0.83) and a high test-retest reliability (r=0.943, p＜0.01). Validity checked by confirmatory factor analysis also show-ed 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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KEYWORD
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Standardization, Hearing aid, Questionnaire, Korean
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