title: Changes in hearing thresholds over 10 years in older adults.
abstract: Changes in hearing thresholds over a 10-year period in a large population of older adults (2130) ranging in age from 48 to 92 years were documented. Pure-tone thresholds at frequencies from 0.5 to 8 kHz were evaluated at a baseline examination and 2.5, 5, and 10 years later. For younger age groups (50-69 years of age), threshold changes were generally greatest for higher frequencies; in older age groups (70-89 years of age), threshold changes were generally greatest for lower frequencies due to a ceiling effect at higher frequencies. At frequencies of 0.5, 1, 2, and 8 kHz, the pattern of 10-year changes in thresholds across audiometric frequencies was generally similar for men and women. Threshold changes at 4 and 6 kHz were relatively constant for all ages in men across the 10-year examination period; threshold changes at the same frequencies in women increased for the 48-59 and 60-69 years age groups and then tended to level off. Other than age and gender, the best baseline examination predictors of 10-year thresholds at a specific audiometric frequency were the baseline threshold at that frequency followed by the baseline threshold for the next higher test frequency.
authors.affiliation: Department of Speech and Hearing Science, 3466 Lattie F. Coor Hall, Arizona State University, P.O. Box 870102, Tempe, AZ 85287-0102, USA. Terry.Wiley@asu.edu
authors.forename: Terry L
authors.initials: TL
authors.lastname: Wiley
authors.forename: Rick
authors.initials: R
authors.lastname: Chappell
authors.forename: Lakeesha
authors.initials: L
authors.lastname: Carmichael
authors.forename: David M
authors.initials: DM
authors.lastname: Nondahl
authors.forename: Karen J
authors.initials: KJ
authors.lastname: Cruickshanks
mesh_terms: D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D001301:Audiometry, Pure-Tone; D001309:Auditory Threshold; D018450:Disease Progression; D005260:Female; D006801:Humans; D016014:Linear Models; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D011304:Presbycusis / Q000453:epidemiology* / Q000503:physiopathology*; D012727:Sex Characteristics
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