Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Asymmetrical Hearing Loss and Related Factors Among the Noise Exposed Male Workers

소음 노출 남성근로자에서 청력 역치의 비대칭성과 관련요인

  • Lee, Nam-Soo (Department of Occupational Medicine, Soonchunhyang University Hospital) ;
  • Lee, Kyung-Jae (Department of Occupational Medicine, Soonchunhyang University Hospital) ;
  • Kim, Joo-Ja (Department of Occupational Medicine, Soonchunhyang University Hospital)
  • 이남수 (순천향대학교병원 산업의학과) ;
  • 이경재 (순천향대학교병원 산업의학과) ;
  • 김주자 (순천향대학교병원 산업의학과)
  • Received : 2010.03.31
  • Accepted : 2010.06.17
  • Published : 2010.06.30
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Abstract

This study was performed to examine the asymmetry of hearing loss among the noise exposed male workers. Findings of otoscopic examination, pure tone audiometry and tympanometry were evaluated for 179 male workers working in the noise exposed workplace. And also selfadministered structured questionnaires were used for each worker's work-related and general characteristics including personal health behaviors. There were significant differences of hearing threshold between right and left ears at 1,000 Hz and 3,000 Hz(p<0.05). And also significant differences of hearing threshold were noted in the age group over 50 at 3,000 Hz, the high risk drinking group either at 3,000 Hz and 4,000 Hz, the work duration group 10-19 years at 3,000 Hz, the noise exposure group under 90 dB(A) at 3,000 Hz, the noise exposure group over 90 dB(A) at 1,000 Hz, the non-wearing protective device group at 4,000 Hz, and the wearing protective device group at 3,000 Hz(p<0.05). Further study is needed to explore the extent and the related factors of the asymmetry of hearing loss in the general population and occupationally noise exposed group.

Keywords

References

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