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  • Title: Changes in the hearing status and noise injury prevention practices of Australian farmers from 1994 to 2008.
    Author: Depczynski J, Challinor K, Fragar L.
    Journal: J Agromedicine; 2011 Apr; 16(2):127-42. PubMed ID: 21462025.
    Abstract:
    This study compares the hearing status and behaviors of Australian farmers from 1994-2001 with those from 2002-2008. Over this period the authors found (1) there was a 12.5% overall improvement in the proportion of farmers with normal hearing in left ears, with the likelihood of a screening participant having normal hearing improving by almost 9% each year; (2) significant improvements in the mean hearing threshold of both ears from 1 to 6 kHz; (3) significantly higher mean hearing thresholds for 35- to 44-year-old farmers exposed to firearms, chainsaws, workshop tools, heavy machinery, and tractors with cabins compared to nonexposed groups; (4) nonuse of hearing protection devices by young farmers (15 to 24 years old), was associated with hearing loss for those using uncabined tractors. Despite a reduction in noise injury, further adoption of noise reduction strategies for specific agricultural work practices is required.
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