D T Lilley

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Hearing level data from several North Carolina industrial populations is analyzed. The analysis considered several different test retest criteria as well as changes in hearing levels with time at different testing frequencies. The findings demonstrate the necessity fo subdividing the populations by race and sex. A characteristic of programs that are(More)
A large general industrial population (n = 10,000) is analyzed using different low fences (15 bB HTL to 35 dB HTL) with the high fence held constant at 93 dB HTL. Three different audiometric test frequency combinations are considered: HTL.5,1,2 kHz, HTL.5,1,2,3 kHz and HTL1,2,3 kHz. The data base is analyzed first as a total population and then divided into(More)
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