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Lilly Klein Karsai, MA; Moe Bergman, EdD; Young Bin Choo, MD

Arch Otolaryngol. 1972;96(6):499-504.

Abstract
A total of 836 longshoremen, members of the International Longshoreman's Association, who have worked in the same environment for periods up to and exceeding 41 years, were tested for pure-tone threshold sensitivity. When their audiograms were separated according to the subject's subcultural origins it was found that the thresholds of the black Americans were better at the higher test frequencies than those of the other groups, all of which were white.

Author Affiliations
New York

From New York Medical College (Mrs. Karsai), the Institute of Health Sciences, Hunter College of the City University of New York (Dr. Bergman), and the New York Eye and Ear Infirmary (Dr. Bin Choo).

Footnotes
Accepted for publication Oct 22, 1971.

Reprint requests to 27 Gladstone Rd, New Rochelle, NY 10804 (Dr. Bergman).

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