Hearing impairment among workers occupationally exposed to excessive levels of noise

Gidikova, P.; Prakova, G.; P, Ruev; Sandeva, G.

doi:10.2478/s11536-007-0034-2

Cited by 7 publications

(5 citation statements)

References 2 publications

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“…Hearing damage from excessive noise usually occurs at high frequencies (3, 4, and 6 kHz) and then spreads to lower frequencies (0.5, 1, and 2 kHz) which limits the working capacity and social adequacy of workers (Gidikova et al 2007;Smith 1998;Sensogut 2007). For effective noise-induced hearing loss prevention, it is important to consider the spectral content of noise as the personal protective equipment is often designed according to the noise spectrum.…”

Section: Resultsmentioning

confidence: 99%

Occupational noise in printing companies

Mihailović

Grujic

Kiurski

et al. 2010

Environ Monit Assess

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The extent of noise in five printing companies in Novi Sad, Serbia, was determined using TES-1358A Sound Analyzer with RS-232 Interface. The data on equivalent A-level (dBA), as well as, maximum and minimum sound pressure levels were collected. It was found that folders and offset printing units are the predominant noise sources, with the average L (eq) levels of 87.66 and 82.7 dBA, respectively. Forty percent of the machines produced noise levels above the limiting threshold level of 85 dBA, allowed by law. The noise in all printing companies was dominated by higher frequency noise, and the maximum level mostly appeared at 4,000 Hz. For offset printing machines and folders, the means of L (eq) levels exceeded the permissible levels given by NR-80 curve at higher frequencies. There are no published studies of occupational noise and hearing impairment of workers exposed to hazardous noise in printing industry in Serbia. More extensive studies are needed to determine the exact impact of noise on the workers. Technical and organizational measures in order to control noise and prevent noise exposure, and general hearing conservation program to protect workers, should be introduced in printing industry.

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Section: Resultsmentioning

confidence: 99%

Occupational noise in printing companies

Mihailović

Grujic

Kiurski

et al. 2010

Environ Monit Assess

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“…Gidikova et al had found faster increment of hearing impairment frequency among the workers who served less than 10 years (about 5.45%). Whereas workers who served more than 10 years had gradual increment of hearing impairment frequency (about 26.5%) because of increasing noise exposures duration 17 ) . ACOEM also men-tioned NIHL usually occurs slowly and has the highest frequency of occurrence during the first 10-15 years of noise exposure duration.…”

Section: Occupational Noise Exposurementioning

confidence: 96%

Hearing impairment and contributing factors among fertilizer factory workers

Jeffree

Ismail

Lukman

2016

Journal of Occupational Health

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Introduction: Hearing impairment remains the main occupational health problem in the manufacturing industry, and its contributing factors have not been well controlled. Methods: Unmatched case control and comparative studies were carried out among fertilizer factory workers in Sarawak with the aim of determining contributing factors for hearing impairment. Respondents consisted of 49 cases that were diagnosed from 2005 to 2008 with 98 controls from the same work places. Chi-square test and Mann-Whitney test were used in a univariate analysis to determine the association between hearing impairment and the contributing risks being studied. Results: The results of the univariate analysis showed that hearing impairment was significantly (p<0.05) associated with older age, lower education level, high smoking dose, high occupational daily noise dose, longer duration of service, infrequent used of hearing protection device (HPD), and low perception of sound on HPD usage. Multivariate logistic regression of hearing impairment after controlling for age found the following five variables: occupational daily noise dose ≥50% (OR 3.48, 95% CI 1.36-8.89), ≥15 years of services (OR 2.92, 95% CI 1.16-7.33), infrequent use of HPD (OR 2.79, 95% CI 1.15-6.77), low perception of sound on HPD (POR 2.77, 95% CI 1.09-6.97), and smoking more than 20 packs per year (OR 4.71, 95% CI 1.13-19.68). Discussion: In conclusion, high occupational noise exposure level, longer duration of service, low perception of sound on HPD, infrequent used of HPD, and smoking more than 20 packs per year were the contributing factors to hearing impairment, and appropriate intervention measures should be proposed and taken into considerations.

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“…In addition, for most machines octave bands with an elevated value of L eq are very wide, with maximum levels at high frequencies with the most dominant noise at 5000 Hz, whereas for the wood, metal and energy industries the most dominant noise was observed at mid frequencies (500-2000 Hz). Since hearing damage from excessive noise primarily occurs at high frequencies (3, 4, and 6 kHz) and then spreads to lower frequencies, working capacity and social adequacy of workers is limited (Gidikova et al, 2007). In addition, knowing that double increase of the sound pressure increases the level of noise for 3 dB(A), it can be rightly concluded that the situation gets worse with an increasing number of machines.…”

Section: Db(a)mentioning

confidence: 99%

Archives of Acoustics

Luburić

Samardžić

Lakatoš

et al. 2020

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Noise is one of the most significant factors which not only disturbs working conditions, but has a large impact on workers' health. This problem has existed in industries since the beginning and, despite technical and other solutions, it has not been solved. There is a large number of papers, supported with very detailed analyses, that investigate noise levels in industry or contain questionnaires about the impact of noise on workers' overall health and work abilities. The purpose of this paper is to contribute to the global picture of sustainability and the development of strategies for improving the quality of working environment, with special attention to the generation of noise in different production processes in thirteen different industries in Novi Sad, Serbia. The paper also seeks to examine the advantages and drawbacks of the implemented protective methods and to provide some recommendations for their better implementation in order to contribute to solving this significant problem of today.

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Hearing impairment among workers occupationally exposed to excessive levels of noise

Cited by 7 publications

References 2 publications

Occupational noise in printing companies

Occupational noise in printing companies

Hearing impairment and contributing factors among fertilizer factory workers

Archives of Acoustics

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