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Noise Exposure and Hearing Loss among Brewery Workers in Lagos, Nigeria

Author

Listed:
  • Nino L. Wouters

    (Clinical Technology, Delft University of Technology, 2628 CD Delft, The Netherlands)

  • Charlotte I. Kaanen

    (Clinical Technology, Delft University of Technology, 2628 CD Delft, The Netherlands)

  • Petronella J. den Ouden

    (Global Health, HEINEKEN International B.V. Amsterdam, 1017 ZD Amsterdam, The Netherlands)

  • Herbert Schilthuis

    (Global Health, HEINEKEN International B.V. Amsterdam, 1017 ZD Amsterdam, The Netherlands)

  • Stefan Böhringer

    (Biomedical Data Sciences, Leiden University Medical Centre, 2333 ZA Leiden, The Netherlands)

  • Bas Sorgdrager

    (Coronel Institute of Occupational Health, Amsterdam University Medical Centre, 1105 AZ Amsterdam, The Netherlands)

  • Richard Ajayi

    (Company Clinic, Nigerian Breweries Plc. Iganmu House, Abebe Village Rd, Iganmu, Lagos 101271, Nigeria)

  • Jan A. P. M. de Laat

    (Department of Audiology (ENT), Leiden University Medical Centre, 2333 ZA Leiden, The Netherlands)

Abstract

The health risks of exposure to loud noises are a well-established fact and are widely addressed in modern industries. Yet, in less developed countries, it is thought these hazards receive less attention, both in the workplace and in private life. (1) Background : The aim of this study is to assess the occupational noise exposure in a developing country and identify possible risk groups for whom intervention is needed. (2) Methods : A cross-sectional study was performed among brewery employees in Lagos, Nigeria. Pure-tone audiometry (PTA) was performed, paired with a self-report questionnaire. Personal noise dosimetry (PND) was also performed with an additional group of participants. (3) Results : A total of 458 employees were submitted to PTA. The Packaging and Utilities department reported the largest shifts in hearing thresholds (18 dB [sd = 15] and 16 dB [sd = 15] @4kHz, respectively). No significant effect of department type on auditory health could be found. PND results were obtained from 39 employees. Packaging and Sales were identified as the most exposed departments. (4) Conclusions : A healthy hearing profile was found for a large proportion of the brewery employees (91.7%). However, NIHL (noise-induced hearing loss) proportions specifically among Bottling and Sales employees were elevated.

Suggested Citation

  • Nino L. Wouters & Charlotte I. Kaanen & Petronella J. den Ouden & Herbert Schilthuis & Stefan Böhringer & Bas Sorgdrager & Richard Ajayi & Jan A. P. M. de Laat, 2020. "Noise Exposure and Hearing Loss among Brewery Workers in Lagos, Nigeria," IJERPH, MDPI, vol. 17(8), pages 1-14, April.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:8:p:2880-:d:348772
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    Cited by:

    1. Yinsheng Li & Wei Zheng, 2021. "A Noise Control Method Using Adaptive Adjustable Parametric Array Loudspeaker to Eliminate Environmental Noise in Real Time," IJERPH, MDPI, vol. 19(1), pages 1-16, December.

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