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Brazilian Journal of Otorhinolaryngology
Print version ISSN 1808-8694
GASPARIN, Marisa; MENEGOTTO, Isabela Hoffmeister and CUNHA, Cristine Santos da. Psychometric properties of the international otcome inventory for hearing AIDS. Braz. j. otorhinolaryngol. (Impr.) [online]. 2010, vol.76, n.1, pp. 85-90. ISSN 1808-8694. http://dx.doi.org/10.1590/S1808-86942010000100014.
It is paramount to assess the psychometric properties of self-assessment tools in order to check the tests' reliability and validity, also to enable proper outcome interpretation. AIM: to check the psychometric properties of the IOI-HA (International Outcome Inventory for Hearing Aids) in its Portuguese version, called QI-AASI (International Questionnaire - Individual Sound Amplification Device), in terms of internal uniformity, correlation between the items and reproducibility. STUDY DESIGN: descriptive, observational and cross-sectional. MATERIALS AND METHODS: the questionnaire was deployed to 53 hearing aid users, 34 females and 19 males, with ages between 19 and 92 years - from incomplete basic education to complete higher education, encompassing subjects with monoaural and binaural sound amplification. RESULTS: the QI-AASI had a Cronbach Alpha of 0.69. In the correlation among the items, there were numerous significant correlations. The instrument was properly reproducible, except for item # 6, which presented a significant difference in comparing test and the retest. CONCLUSIONS: the QI-AASI is suggested in the rehabilitation process of users of hearing aides; nonetheless, the questionnaire can be difficult for subjects with low social and economic status when self-employed.
Keywords : hearing aids; questionnaires; rehabilitation.