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Description of Hearing in 13 Groups of Air Force Personnel Who Routinely Work in Noise: January-June 1975
Progress rept. Jan-Dec 1975
SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX
Pagination or Media Count:
This report describes the hearing of 34,091 military personnel within 13 Air Force Specialty AFSC known to constitute routine encounters with potentially hazardous noise. the smallest group contained 1049 persons, and the largest, 11,736. A total of 7678 22.5 of the entire sample revealed significant threshold shift. Cumulative percentages of annual audiograms along with median hearing levels are also described. The hearing levels in this study reveal that USAF use of significant threshold shifts to identify in the early stages, persons who are experiencing hearing shifts due to noise prevents significant hearing loss.
APPROVED FOR PUBLIC RELEASE