The research, led by Joseph Chamoun from the University of Cincinnati College of Medicine, and colleagues examined data from over 2,300 participants aged above 69 years and found a strong association between tinnitus burden and depression risk.
According to the findings, older adults who reported a high tinnitus burden were seven times more likely to experience depression compared to those without tinnitus symptoms (adjusted odds ratio [aOR] 7.05). Interestingly, mild hearing loss appeared to have a protective effect, lowering the odds of depression (aOR 0.55).
The study aimed to clarify whether tinnitus could be a confounding factor in the established link between hearing loss and depression in the elderly. Researchers utilized data from multiple cycles of the National Health and Nutrition Examination Survey (NHANES), covering the years 2005–2006, 2009–2010, and 2017–2020. This large-scale dataset included a subpopulation of 2,352 adults over the age of 69.
Using logistic regression models, the team analyzed depression as a binary outcome, considering both tinnitus burden and speech-frequency hearing loss as predictor variables. The “tinnitus burden” was measured based on participants’ self-reported perceptions and its impact on their daily lives. The models were adjusted for several confounders, including demographic and health-related variables.
The study revealed the following findings:
- Hearing loss alone was not significantly linked to a higher risk of depression in older adults.
- Older adults with mild hearing loss had a lower likelihood of depression compared to those with normal hearing.
- Participants with severe tinnitus symptoms showed a substantially higher risk of depressive symptoms.
- The strong association between tinnitus and depression persisted even after adjusting for the severity of hearing loss.
The authors noted that previous research linking hearing loss to depression may have overlooked the role of tinnitus as a confounding variable. By accounting for tinnitus in their analysis, this study provides new insight into the mental health implications of auditory symptoms in the aging population.
“These findings emphasize the importance of screening for tinnitus and its emotional impact in older adults,” the researchers stated. “Managing tinnitus effectively may help reduce the risk of depression in this age group.”
However, the authors also acknowledged certain limitations. As a retrospective cross-sectional study, causality could not be established, and the results may not be generalizable to younger adults. Additionally, the subjective nature of tinnitus reporting could introduce bias.
"Despite these constraints, the research highlights the need for clinicians to consider tinnitus management as part of holistic geriatric mental health care. Future studies are warranted to explore potential mechanisms linking tinnitus burden and depressive symptoms, and whether early intervention for tinnitus could improve psychological outcomes in older adults," the authors concluded.
Reference:
Chamoun, J., Larson, P., Altaye, M., Tabangin, M., Sun, D. Q., & Gordon, S. A. Contribution of Tinnitus Burden and Hearing Loss to Geriatric Depression. The Laryngoscope. https://doi.org/10.1002/lary.70228
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