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Revisiting the quartic model for early identification of noise-induced hearing loss.

Authors
Murphy-WJ; Franks-JR
Source
NHCA Spectrum 2005 Feb; 22(Suppl 1):26
NIOSHTIC No.
20029057
Abstract
In a 1976 article by Cooper and Owen (Audiologic profile of noise-induced hearing loss, Arch. Otolaryngol. 102:148-150), they advanced a quartic model to perform a least-squares fit to an audiogram for the purpose of identifying a noise-induced notch indicative of early onset of noise-induced hearing loss. This model has been revisited for the purpose of better quantification of a set of rules that will best identify the presence or absence of a noise-notch. A subset of 1660 subjects' right and left audiograms collected for the National Health and Nutrition Examination Survey (NHANES IV) were fit with a quartic model. As well, several hearing scientists and audiologists within NIOSH examined and classified the audiograms as having a notch Oil not. Preliminary results suggest that the choice of notch criteria dramatically affects the identification accuracy when correlated with clinical judgments. This paper will present how these rules were developed and how the quartic model may be interpreted and applied in a hearing conservation program.
Keywords
Models; Noise-induced-hearing-loss; Hearing-loss; Audiometry; Audiological-testing; Hearing-conservation; Noise-exposure
Publication Date
20050224
Document Type
Abstract; Conference/Symposia Proceedings
Fiscal Year
2005
NTIS Accession No.
NTIS Price
NIOSH Division
DART
Priority Area
Disease and Injury: Hearing Loss; Construction
Source Name
30th Annual NHCA Hearing Conservation Conference, February 24-26, 2005, Tucson, Arizona
State
OH
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