Abstract
Numerous cases of hearing loss consistent with noise-induced damage were noted among firefighters in the city of Columbia, MO. A survey of firefighting vehicles in operation showed that the firefighters were exposed to excessive noise levels and put at risk for noise-induced hearing loss (NIHL). Audiologic evaluation showed that 36 percent of the firefighters had moderate or severe hearing loss (a threshold of 40 decibels (dB) or more at 3,000, 4,000, or 6,000 hertz (Hz) in either ear). An educational program on NIHL was then carried out to increase the use of hearing protection devices (HPDs) by firefighters, followed by an evaluation of the intervention. The educational intervention successfully increased knowledge of NIHL, positive attitudes toward HPDs, and resulted in more frequent use of HPDs. After the intervention, 85 percent of firefighters regularly used HPDs compared with 20 percent before the intervention. Recommendations are made for fire departments to reduce the risk of NIHL.
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Selected References
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