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Effects of common agricultural tasks on measures of hearing loss.

Authors
Humann-MJ; Sanderson-WT; Gerr-F; Kelly-KM; Merchant-JA
Source
Am J Ind Med 2012 Oct; 55(10):904-916
NIOSHTIC No.
20041705
Abstract
Background: Among agricultural populations, hearing loss caused by excessive noise exposure is common. However, examinations of associations between exposure to agricultural tasks and hearing loss are limited. Methods: Audiometry and lifetime exposure to 11 agricultural tasks were analyzed among 1,568 participants. Gender stratified multivariable linear regression was used to estimate associations between exposure duration and three hearing loss metrics. Results: Among men, significant associations were observed between hearing loss and hunting or target shooting, all-terrain vehicle (ATV) or motorcycle riding, chain saw use, electric or pneumatic tool use, living on a farm, and all agricultural tasks combined. When all significant exposure metrics were included in a single model, associations remained for hunting or target shooting, electric or pneumatic tool use and living on a farm. Significant associations were sparse among women, and in all cases paradoxical. Conclusions: Despite imprecise estimation of noise exposure, specific agricultural tasks were associated with hearing loss.
Keywords
Agriculture; Agricultural-industry; Agricultural-workers; Hearing-loss; Noise-induced-hearing-loss; Employee-exposure; Farmers; Task-performance; Work-practices; Noise-exposure; Audiological-testing; Audiometry; Noise-sources; Pneumatic-equipment; Pneumatic-tools; Motor-noise; Motor-vehicles; Sex-factors; Men; Women; Chain-saws; Electrical-equipment; Tools; Mathematical-models; Author Keywords: hearing loss; occupational health; agricultural health; risk factors; noise
Contact
Michael J. Humann, PhD, Field Studies Branch, Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, 1095 Willowdale Road, MS H2800, Morgantown, WV 26505
CODEN
AJIMD8
Publication Date
20121001
Document Type
Journal Article
Email Address
humann.michael@gmail.com
Funding Type
Cooperative Agreement; Grant
Fiscal Year
2013
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U54-OH-007548; Grant-Number-T42-OH-008491; B20121218A
Issue of Publication
10
ISSN
0271-3586
Source Name
American Journal of Industrial Medicine
State
WV; IA; KY
Performing Organization
University of Iowa
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