Volume 10, Issue 3 (Occupational Medicine Quarterly Journal 2018)                   tkj 2018, 10(3): 31-39 | Back to browse issues page


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Alimohammad I, Salimi F, Rahmani K, Soltani R, Ahmadi Kanrash F. Relationship between Smoking and Hearing Impairment of Automotive Industry Workers Exposed to Noise. tkj. 2018; 10 (3) :31-39
URL: http://tkj.ssu.ac.ir/article-1-950-en.html
Iran University of Medical sciences , f_ahmadi1367@yahoo.com
Abstract:   (312 Views)

Introduction: Working in noisy environments may cause hearing loss. Studies have shown that some factors along with noise are independently involved in hearing loss, one of which is cigarette smoking. The aim of this study was to evaluate the effects of smoking on hearing loss in workers exposed to occupational noise.
Materials and Methods: The workers’ hearing loss was measured through a tonal hearing test (air-conduction). Their demographic information was also recorded and evaluated using some checklists.
Results: A total of 250 people were enrolled in this study, of whom 133 were smokers and 117 were non-smokers. The mean age of the participants was 36.07 ± 3.66 years, and there was no significant difference between the two groups in terms of age. The mean sound pressure level in the work environment was 86 dB based on the ISO standard. There was a significant difference between the hearing loss levels in the right ears and the left ears of the two groups of smokers and non-smokers (P value <0.001).
Conclusion: In general, smoking plays a significant role in hearing loss along with other factors, such as noise in the workplace, and conducting periodic audiometry tests to identify smokers with hearing impairment can be effective in primary or secondary prevention of occupational hearing impairment.
Keywords: Hearing Loss, Smoking, Noise, Occupational
Full-Text [PDF 954 kb]   (121 Downloads)    
Type of Study: Research | Subject: occupational medicine
Received: 2018/06/26 | Accepted: 2019/05/4 | Published: 2019/05/4

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