Évolution de la prévalence et des caractéristiques de la perte auditive dans une population exposée au bruit entre 1980 et 2015

Auteurs-es

Mots-clés :

Perte auditive due au bruit, protection auditive, Longitudinal, travailleurs, prévalence, Colombie britannique

Résumé

Updated regulations, improved noise reduction, and increased use of hearing protective devices (HPDs) may result in better hearing for noise-exposed workers. In a retrospective longitudinal (1980-2015) cohort study, we conducted a secondary analysis of a database of annual hearing tests from noise-exposed workers aged 20-55 years old. Sample size per cohort ranged from n=1386 to n=5165. No clinically-meaningful cohort differences in thresholds of 5 dB or greater were found for 20- or 30-year olds. For 45- and 55-year olds, later-born cohorts had better thresholds than earlier-born cohorts. Prevalence of hearing loss decreased for later-born cohorts for 30, 45, and 55-year olds. Twenty-year olds in later cohorts were more likely to use HPD than those in earlier cohorts. The lower prevalence of hearing loss and better thresholds in these noise-exposed workers may be due to increased HPD use, changes in workplace regulations, improved workplace noise control, or changed attitudes towards recreational noise exposure.

Fichiers supplémentaires

Publié-e

2021-04-21

Comment citer

1.
Brown S, Jenstad LM, Ryall A, Stephenson E. Évolution de la prévalence et des caractéristiques de la perte auditive dans une population exposée au bruit entre 1980 et 2015. Canadian Acoustics [Internet]. 21 avr. 2021 [cité 18 sept. 2024];49(1). Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3397

Numéro

Vol. 49 No. 1 (2021)

Rubrique

Article - Préservation de l'ouïe

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