The Effects of Noise Pollution on the Prevalence of Hearing Loss on Workers in Select Industries in Nnewi, Anambra State

Ogbo O. G, Nnodu V. C and Onuoha D. C
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Ogbo O. G: Department of Environmental Management, Nnamdi Azikiwe University, Awka.
Nnodu V. C: Department of Environmental Management, Nnamdi Azikiwe University, Awka.
Onuoha D. C: Department of Environmental Management, Nnamdi Azikiwe University, Awka.

International Journal of Research and Innovation in Social Science, 2024, vol. 8, issue 3s, 1932-1944

Abstract: The rapid industrialization in Nnewi, Anambra State, has raised significant environmental concerns, particularly noise pollution, which poses severe health risks to industrial workers. This study investigates noise pollution levels and the prevalence of hearing loss among workers in three major industries in Nnewi. Employing a cross-sectional design, the study uses clinical diagnostic approaches and survey methodologies to assess 71 workers with over five years of exposure to industrial noise. Ambient noise was measured with a sound level meter, hearing acuity was assessed through the Rinne and Weber tests, and structured questionnaires were used to collect demographic data, noise exposure details, and PPE usage. Findings reveal that Industries A and B have noise levels averaging 96 dB, significantly higher than Industry C’s 90 dB. PPE usage was inconsistent, with Industry B showing the highest compliance. Despite the high noise levels, only one respondent showed signs of hearing loss. This low incidence is attributed to intermittent noise exposure and the practice of taking regular breaks. The study underscores the need for enhanced regulatory enforcement, modernization of industrial equipment, improved PPE usage, and comprehensive noise management plans to mitigate health risks associated with industrial noise exposure.

Date: 2024
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