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Objective: Primarily to understand whether clinically relevant factors affect the International Outcome Inventory (IOI-HA) scores and to examine if IOI-HA scores improve when renewing the hearing aids (HA) for experienced users. Secondly, to estimate the overall HA effectiveness using the IOI-HA. Design: A prospective observational study. Study sample: In total, 1961 patients with hearing loss were included. All patients underwent a hearing examination, were fitted with HAs, and answered the IOI-HA. Factor analysis of IOI-HA separated the items into a Factor 1 (use of HA, perceived benefits, satisfaction, and quality of life) and Factor 2 (residual activity limitation, residual participation restriction and impact on others) score. Results: Degree of hearing loss, word recognition score, motivation, HA usage time, tinnitus, asymmetry, and sex were significantly associated with total IOI-HA, Factor 1, or Factor 2 scores. The seven IOI-HA items increased on average by 0.4 (p < 0.001) when renewing HAs. The total median IOI-HA score at follow-up was 29 (7) for experienced (n = 460) and first-time users (n = 1189), respectively. Conclusions: Degree of hearing loss, word recognition score, motivation, tinnitus, asymmetry, and sex may be used to identify patients who require special attention to become successful HA users.
- Hearing aids
- experienced users
- first-time users
- hearing aid effectiveness
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Prediction of successful hearing aid treatment in first-time and experienced hearing aid users: Using the International Outcome Inventory for Hearing Aids
Houmøller, S. S. (Creator), Wolff, A. (Creator), Möller, S. (Creator), Narne, V. K. (Creator), Narayanan, S. K. (Creator), Godballe, C. (Creator), Hougaard, D. D. (Creator), Loquet, G. (Creator), Gaihede, M. (Creator), Hammershøi, D. (Creator) & Schmidt, J. H. (Creator), Taylor & Francis, 2021