Frontiers in Aging · 9 authors, 5 centres
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In a randomized controlled trial of 190 first-time hearing aid users over 60 years old with bilateral presbycusis, premium hearing aid users reported statistically significantly better self-reported hearing abilities on the SSQ-12 (speech and qualities domains) compared to basic hearing aid users, but no significant differences were found on the IOI-HA, and the effect sizes were small.
This randomized controlled trial enrolled 190 first-time hearing aid users aged over 60 with symmetric bilateral presbycusis, randomizing them to premium or basic hearing aids stratified by age, sex, and word recognition score. Patients were blinded to the study purpose. Premium hearing aid users reported significantly higher SSQ-12 total scores (0.7 scale points per item, 95%CI: 0.2; 1.1, p < 0.001), speech domain scores (0.8 scale points per item, 95%CI: 0.2; 1.4, p = 0.01), and qualities domain scores (0.6 scale points per item, 95%CI: 0.2; 1.1, p = 0.01) compared to basic hearing aid users. No significant differences were found on the IOI-HA total score or its factors. Four of seven outcome variables showed no significant difference between groups. Differences in real-ear insertion gain at first-fit did not explain differences in reported outcomes.
