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Factors Associated with Audiometric Test Error.

Authors
Chen-JL; Pell-S
Source
NIOSH 1989 Apr:17-19
Link
NIOSHTIC No.
00212462
Abstract
An area in which errors are found in audiometric test results was examined. Specifically, the study determined to what extent test error was affected by the time interval between audiograms and the hearing threshold level on the baseline audiogram. The test subjects included 6754 male and 3101 female employees of a large manufacturing department of the Du Pont Company. The employees had been given audiometric tests from 1980 through 1986 and were not located in noisy areas. Hearing levels on the baseline audiogram were compared with those for subsequent audiograms. Frequency distributions of the difference between hearing threshold levels were analyzed, and test error was calculated for each sex, for each test frequency, by interval between audiograms and by hearing threshold level. The findings indicated that audiometric test error was related not only to the test frequency, but also to the time interval between audiograms and the hearing threshold level on the baseline audiogram. The authors conclude that, in establishing criteria for significant threshold shifts, all three of these factors should be considered.
Keywords
Industrial-noise; Steady-state-noise; Impact-noise; Acoustical-measurements; Acoustic-signals; Noise-induced-hearing-loss; Sound-analyzers;
Publication Date
19890401
Document Type
Conference/Symposia Proceedings;
Fiscal Year
1989
NTIS Accession No.
NTIS Price
Priority Area
Hearing Loss; Disease and Injury; Noise-induced-hearing-loss;
Source Name
Proceedings, 1989 Industrial Hearing Conservation Conference, April 12-14, 1989, College of Engineering, University of Kentucky, Lexington, Kentucky, and NIOSH
State
KY;
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