Hearing levels of adults by education, income, and occupation, United States, 1960-1962
Subtitle: prevalence rates for hearing threshold in the better ear in excess of 15 decibels above and 5 decibels or more below audiometric zero, as determined by pure-tone audiometric tests at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second
By: [by Jean Roberts and John Cohrssen]
Contributors: Cohrssen, John J., joint author.
Series: United States. National Center for Health Statistics. Vital and health statistics. Series 11: Data from the National Health Survey. Data from the health examination survey,; no. 31; Public Health Service publication no. 1000, Ser. 11, no. 31; Vital and health statistics.; no. 31.; Public Health Service publication ;; no. 1000, ser. 11, no. 31.
Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Services; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Hearing.
Notes: Bibliography: p. 10.