| Association of Skin Color, Race/Ethnicity, and Hearing Loss Among Adults in the USA. | |
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MedLine Citation:
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PMID: 22124888 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Epidemiologic studies of hearing loss in adults have demonstrated that the odds of hearing loss are substantially lower in black than in white individuals. The basis of this association is unknown. We hypothesized that skin pigmentation as a marker of melanocytic functioning mediates this observed association and that skin pigmentation is associated with hearing loss independent of race/ethnicity. We analyzed cross-sectional data from 1,258 adults (20-59 years) in the 2003-2004 cycle of the National Health and Nutritional Examination Survey who had assessment of Fitzpatrick skin type and pure-tone audiometric testing. Audiometric thresholds in the worse hearing ear were used to calculate speech- (0.5-4 kHz) and high-frequency (3-8 kHz) pure-tone averages (PTA). Regression models were stratified by Fitzpatrick skin type or race/ethnicity to examine the association of each factor with hearing loss independent of the other. Models were adjusted for potential confounders (demographic, medical, and noise exposure covariates). Among all participants, race/ethnicity was associated with hearing thresholds (black participants with the best hearing followed by Hispanics and then white individuals), but these associations were not significant in analyses stratified by skin color. In contrast, in race-stratified analyses, darker-skinned Hispanics had better hearing than lighter-skinned Hispanics by an average of -2.5 dB hearing level (HL; 95% CI, -4.8 to -0.2) and -3.1 dB HL (95% CI, -5.3 to -0.8) for speech and high-frequency PTA, respectively. Associations between skin color and hearing loss were not significant in white and black participants. Our results demonstrate that skin pigmentation is independently associated with hearing loss in Hispanics and suggest that skin pigmentation as a marker of melanocytic functioning may mediate the strong association observed between race/ethnicity and hearing loss. |
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Authors:
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Frank R Lin; Paige Maas; Wade Chien; John P Carey; Luigi Ferrucci; Roland Thorpe |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-29 |
Journal Detail:
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Title: Journal of the Association for Research in Otolaryngology : JARO Volume: - ISSN: 1438-7573 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100892857 Medline TA: J Assoc Res Otolaryngol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins School of Medicine, Baltimore, MD, 21287, USA, flin1@jhmi.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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