EVALUATION OF NOISE POLLUTION AND NOISE-INDUCED HEARING LOSS IN WORKERS OF A CERAMIC INDUSTRY

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KARGAR SHOUROKI F.; BARKHORDARI A.; ZARE SAKHVIDI M.J.; JAFARI S.M.; DEHGHANI A.

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Journal: Tibbi- i- kar Year:2017 | Volume:8 | Issue:4 Page(s): 37-46

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Title

EVALUATION OF NOISE POLLUTION AND NOISE-INDUCED HEARING LOSS IN WORKERS OF A CERAMIC INDUSTRY

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Keywords

HEARING LOSS; CERAMIC INDUSTRY; NOISEQ2

Abstract

Introduction: Noise-induced hearing loss (NIHL) is a major problem in industrialized and developing countries. Trend of industrialization and lack of proper protective equipment lead to an increased frequency of noise-related disorders especially NIHL. This study was conducted to investigate noise pollution and the frequency of NIHL in workers of one of the ceramic industries.Materials and Methods: In a descriptive cross-sectional study, 155 tile workers were studied in 2015. Mean of age and working experience in participants was 29.45±6.8 and 5.3±3.65 years, respectively. Sound pressure level in different sections of ceramic industry were measured using Bruel & Kjær sound level meter. Pure tone audiometry of air conduction was performed in both ears at frequencies 0.5, 1, 2, and 4 kHz. Hearing threshold higher than 25 dB at different frequencies was defined as hearing loss.Results: Mean of hearing threshold was 20.06±7.64 dB in right ear and 17.46±8.7 dB in left ear. Total hearing threshold was 17.9±8.04 dB. About 18.7% of subjects suffered from NIHL in the right ear and 10.3% in the left ear. A significant relationship was found between work experience, job, lack of using proper protective equipment and hearing loss.Conclusion: In conclusion, the rate of hearing loss among tile workers was high, hearing loss was more frequently seen in right ear than left ear.

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APA: Copy

KARGAR SHOUROKI, F., BARKHORDARI, A., ZARE SAKHVIDI, M.J., JAFARI, S.M., & DEHGHANI, A.. (2017). EVALUATION OF NOISE POLLUTION AND NOISE-INDUCED HEARING LOSS IN WORKERS OF A CERAMIC INDUSTRY. OCCUPATIONAL MEDICINE, 8(4), 37-46. SID. https://sid.ir/paper/207061/en

Vancouver: Copy

KARGAR SHOUROKI F., BARKHORDARI A., ZARE SAKHVIDI M.J., JAFARI S.M., DEHGHANI A.. EVALUATION OF NOISE POLLUTION AND NOISE-INDUCED HEARING LOSS IN WORKERS OF A CERAMIC INDUSTRY. OCCUPATIONAL MEDICINE[Internet]. 2017;8(4):37-46. Available from: https://sid.ir/paper/207061/en

IEEE: Copy

F. KARGAR SHOUROKI, A. BARKHORDARI, M.J. ZARE SAKHVIDI, S.M. JAFARI, and A. DEHGHANI, “EVALUATION OF NOISE POLLUTION AND NOISE-INDUCED HEARING LOSS IN WORKERS OF A CERAMIC INDUSTRY,” OCCUPATIONAL MEDICINE, vol. 8, no. 4, pp. 37–46, 2017, [Online]. Available: https://sid.ir/paper/207061/en

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