Evaluation of noise-induced hearing loss in a group of cement workers

L. Soleo, F. Cassano, G. Mazzilli, A. Martemucci, G. Castrignano, E. Catamo, G. Lasorsa, G. Candilio, L. Ambrosi

Research output: Contribution to journalArticle

Abstract

The study covered 1334 workers employed in 12 cement factories located in Southern Italy. They were submitted to audiometric screening consisting of a questionnaire containing questions on past otologic complaints, dysmetabolic diseases, use of ototoxic drugs and past occupational or non-occupational exposure to noise, plus otoscopic examination and full audiometric examination. The results revealed a statistically significant relationship between duration of exposure to noise and elevation in the hearing threshold. The highest noise levels were found in the 'crude/baked mills' department; however, the highest frequency of occupational hearing loss was observed in the 'mine and crushing installations', maintenance and 'hodmen' departments. On the question of assessment of the audiometric tracings for preventive and insurance purposes, attention is drawn to the fact that there is a need for a method that will enable an evaluation for prevention to be transformed into an evaluation for insurance. This method should in any case allow for deduction of the portion of hearing loss regarding presbycusis and sociocusis and take due account of the 3 KHz frequency. The attention of industry and public administration is drawn to the urgent need for prevention programmes to protect against noise-induced hearing loss in both occupational and non-occupational settings.

Original languageEnglish
Pages (from-to)229-243
Number of pages15
JournalMedicina del Lavoro
Volume80
Issue number3
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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    Soleo, L., Cassano, F., Mazzilli, G., Martemucci, A., Castrignano, G., Catamo, E., Lasorsa, G., Candilio, G., & Ambrosi, L. (1989). Evaluation of noise-induced hearing loss in a group of cement workers. Medicina del Lavoro, 80(3), 229-243.