![]() 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. Models were adjusted for potential confounders (demographic, medical, and noise exposure covariates). 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. ![]() 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). 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. ![]() 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. ![]() The basis of this association is unknown. Epidemiologic studies of hearing loss in adults have demonstrated that the odds of hearing loss are substantially lower in black than in white individuals. ![]()
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