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Hearing status among aircraft maintenance personnel in a commercial airline company
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Occupational and Environmental Medicine.
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2011 (English)In: Noise & Health, ISSN 1463-1741, Vol. 13, no 54, 364-370 p.Article in journal (Refereed) Published
Abstract [en]

The aim was to study subjective and objective hearing loss in a population of aircraft maintenance workers and identify predictors. A total of 327 aircraft maintenance personnel answered a self-administered work environment questionnaire (response rate 76) and underwent audiometric test. The mean values for the hearing threshold at 3, 4, and 6 kHz for the ear with the most hearing loss were compared with a Swedish population database of persons not occupationally exposed to noise. Equivalent noise exposure during a working day was measured. Relationships between subjective and objective hearing loss and possible predictors (age, years of employment, self-reported exposure to solvents, blood pressure, and psycho-social factors) were analyzed by multiple logistic regression. At younger ages (< 40 years), aircraft maintenance workers had higher hearing thresholds (1-3 dB) compared to the reference group, but such a difference was not found in older employees. Relationships were found between age and objective hearing loss, and between exposure to solvents and reported subjective hearing loss. Equivalent noise exposure during working days were 70-91 dB(A) with a maximal noise level of 119 dB(A). Aircraft maintenance workers are exposed to equivalent noise levels above the Swedish occupational standard, including some very high peak exposures. Younger employees have a higher age-matched hearing threshold level compared with a reference group. Thus, there is a need for further preventive measures.

Place, publisher, year, edition, pages
2011. Vol. 13, no 54, 364-370 p.
Keyword [en]
Aircraft maintenance personnel, aircraft, hearing loss, hearing threshold levels, noise
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-161075DOI: 10.4103/1463-1741.85509ISI: 000295892500006OAI: oai:DiVA.org:uu-161075DiVA: diva2:456178
Available from: 2011-11-14 Created: 2011-11-07 Last updated: 2011-11-18Bibliographically approved

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Smedje, GretaLindgren, Torsten
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