Hearing Aid Use Time Is Causally Influenced by Psychological Parameters in Mildly Distressed Patients with Chronic Tinnitus and Mild-to-Moderate Hearing Loss
JOURNAL OF CLINICAL MEDICINE(2022)
Abstract
Background: Hearing aids (HAs) can improve tinnitus-related distress (TRD) and speech-comprehension (SC) in silence or at 55 dB noise-interference (SC_55 dB) in patients with chronic tinnitus and mild-to-moderate hearing loss. However, the role of HA use time in relation to psychological, audiological, or self-reported tinnitus characteristics is under-investigated. Methods: We examine 177 gender-stratified patients before (t(1)) and after an intervention comprising binaural DSLchild algorithm-based HA fitting and auditory training (t(2)) and at a 70-day follow up [t(3)]. HA use time was retrospectively retrieved (at t(2)) for the pre-post- and (at t(3)) post-follow up periods. General linear models investigated HA use time in relation to (1) general audiological, (2) tinnitus-related audiological, (3) tinnitus-related self-report, and (4) distress-related self-report indices before and after treatment, where applicable. Receiver operator characteristic analyses identified optimal HA use time for hereby-mediated treatment changes. Results: At t(1) and t(2), psychological, but not audiological indices causally influenced prospective HA use time-except for SC_55 dB at t(1), which, however, correlated with patients' anxiety, depressivity, and psychological distress levels. Correlations did not differ between patient subgroups defined by categorical tinnitus-related audiological or self-report indices. HA use time partly mediated treatment-related improvement in TRD, but not SC. Optimal use amounted to 9.5-10.5 h/day. Conclusions: An awareness of psychological influences may help clinicians facilitate HA use and, thereby, TRD improvement with hearing amplification.
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Key words
hearing aids,usage time,use time,mild-to-moderate hearing loss,tinnitus-related distress,psychological epiphenomena
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