Audrey Mossman, Virgil K. DeMario, Carrie Price, Stella M. Seal, Amber Willink, Nicholas S. Reed, Carrie L. Nieman

Association Between Adult-Onset Hearing Loss and Income: A Systematic Review

  • Speech and Hearing
  • Otorhinolaryngology
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Introduction: Hearing loss has been shown to be associated with both negative health outcomes and low socioeconomic position, including lower income. Despite this, a thorough review of the existing literature on this relationship has not yet been performed. Objectives: To evaluate available literature on the possible association between income and adult-onset hearing loss. Design: A search was conducted in eight databases for all relevant literature using terms focused on hearing loss and income. Studies reporting the presence or absence of an association between income and hearing loss, full-text English-language access, and a predominantly adult population (≥18 years old) were eligible. The Newcastle-Ottawa Quality Assessment Scale was used to assess risk of bias. Results: The initial literature search yielded 2994 references with three additional sources added through citation searching. After duplicate removal, 2355 articles underwent title and abstract screening. This yielded 161 articles eligible for full-text review resulting in 46 articles that were included in qualitative synthesis. Of the included studies, 41 of 46 articles found an association between income and adult-onset hearing loss. Due to heterogeneity among study designs, a meta-analysis was not performed. Conclusions: The available literature consistently supports an association between income and adult-onset hearing loss but is limited entirely to cross-sectional studies with the directionality remaining unknown. An aging population and the negative health outcomes associated with hearing loss, emphasize the importance of understanding and addressing the role of social determinants of health in the prevention and management of hearing loss.

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