Volume 16, Issue 48 (6-2015)
Zanko J Med Sci 2015, 16(48): 33-41 |
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The Study of hearing status and its influencing factors in the workers of mines in the central region. Zanko J Med Sci 2015; 16 (48) :33-41
URL: http://zanko.muk.ac.ir/article-1-61-en.html
URL: http://zanko.muk.ac.ir/article-1-61-en.html
Abstract: (4169 Views)
Background & Objectives: Noise Induced Hearing Loss (NIHL) is the most common side effect in the workplaces and multiple factors are involved in its creation and exacerbation. The main purpose of this study was to investigate hearing status and its influencing factors in the workers of mines in the central region.
Material and Methods: In this descriptive - analytical study of the identification and evaluation of sound sources, hearing status and its influencing factors were studied in 55 workers exposed to noise and 55 office workers as the control group. Data analysis was performed using the software SPSS18.
Results: Age mean, standard deviation and experience of the subjects were 34.02 ± 7.5 and 9.62 ± 3.2 respectively. The sound pressure level of sources was estimated 106-90dB. In the 3 and 6 kHz frequencies, mean hearing threshold of mining operations workers were high. 58% of the subjects had different degrees of hearing loss. Mean hearing threshold was significantly increased with age and experience. Hearing loss in smoking workers were 1.6 times.
Conclusion: It seems that NIHL in the mining operation workers is considered as a serious health problem. In some cases, hearing loss is severe. Therefore, proper Hearing Conservation Program and noise control engineering measures are necessary.
Type of Study: Research |
Subject:
General
Received: 2015/03/8 | Accepted: 2015/05/20 | ePublished: 2015/07/2
Received: 2015/03/8 | Accepted: 2015/05/20 | ePublished: 2015/07/2
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