Significant Hearing Threshold Shift in USAF Military Personnel: January-June 1975
SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TX
Pagination or Media Count:
Hearing conservation audiometry reports received at the USAF Hearing Conservation Data Registry from January through June 1975 were grouped according to the Air Force Specialty Code, job description, shown for the individual. The 48,271 records surveyed included 46 job codes with 50 or more reports and 47 with fewer than 50. There were 5,298 records with no identifiable job code. The percentage of significant threshold shift was calculated for each record, with the total group revealing 23.21. The percent significant threshold shift for each job code with 50 or more was calculated so that each could be compared to the average for the entire group.
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