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Ear, nose and throat/otolaryngology
Research
Translation of the international outcome inventory for hearing aids into Portuguese from Portugal
  1. Sofia M M Paiva1,
  2. João F C P M Simões1,
  3. António M Diogo Paiva1,
  4. Francisco J F Castro e Sousa2,
  5. Jean-Pierre Bébéar3
  1. 1Department of Otorhinolaryngology, Coimbra Hospital and University Centre, Coimbra, Portugal
  2. 2Department of General Surgery, Coimbra Hospital and University Centre, Coimbra, Portugal
  3. 3Department of Otorhinolaryngology, Clinique Universitaire ORL de Bordeaux II, Bordeaux, France
  1. Correspondence to Dr Sofia M M Paiva; sofpaiva{at}gmail.com

Abstract

Objective To translate the International Outcome Inventory for Hearing Aids (IOI-HA) Questionnaire from English to Portuguese (from Portugal) and to validate this instrument of study on the Portuguese population.

Design In this prospective study, a translation from English into Portuguese of the IOI-HA was performed, and linguistic adaptation and counter translation were also accomplished. The data were analysed for internal consistency testing for correlations between each individual item and the total score of the IOI-HA, assessing the Cronbach α and performing test–retest analysis.

Setting and participants 80 hearing aid users aged 18 years or older were recruited from an ear, nose and throat (ENT) appointment in Coimbra's hospital, Portugal. 84% of the participants were unilateral hearing aid users, whereas 16% were bilateral users.

Interventions The patients volunteered to answer the questionnaire during an ENT appointment. All of the patients had been using the hearing aids for more than 3 years.

After the first application of the questionnaire, a new appointment was planned for retesting, within at least 7 days to no more than 60 days. 29 participants answered the questionnaire again according to the same procedure.

Results The mean IOI-HA total score in the study population was 27.33±4.93 (9–35). The mean values obtained for each item of the questionnaire ranged from 3.19 to 4.54. The Cronbach α was 0.838 and the Cronbach α values when the item was removed, were also significantly strong. The test–retest analysis revealed no differences between the paired groups.

Conclusions In the present study a valid and reliable translation and adaptation of the IOI-HA into Portuguese from Portugal is proposed. This tool will be available for clinical assessment of hearing aid users.

  • GERIATRIC MEDICINE

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

https://doi.org/10.1136/bmjopen-2016-013784

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    Footnotes

    • Contributors SMMP made substantial contributions to conception and design, acquisition of data, analysis and interpretation of data, and drafting the article. JFCPMS contributed to analysis and interpretation of data and revising the article. AMDP, FJFCS, J-PB contributed by revising the manuscript critically for important intellectual content and final approval of the version to be published.

    • Competing interests None declared.

    • Patient consent Obtained.

    • Ethics approval This prospective study was held at the ear nose and throat (ENT) Department of Coimbra University Hospitals and was approved by the Ethics in Research Committee of this Institution.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Data sharing statement No additional data are available.