Noise-Induced Hearing Loss and Associated Factors Among Vector Control Workers in a Malaysian State

Masilamani, Retneswari; Rasib, Abdul; Darus, Azlan; Ting, Anselm Su

doi:10.1177/1010539512444776

Cited by 13 publications

(10 citation statements)

References 21 publications

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“…NIHL was not significantly associated with age, which was consistent with the outcome reported in a study among commercial fishermen . However, another study from Malaysia showed a different pattern, which reported that the NIHL was significantly associated with the age group of 40 years and above . Further studies are necessary to identify if age is an independent risk factor of NIHL after offsetting age‐related hearing loss through the adjustment of age .…”

Section: Discussionsupporting

confidence: 84%

Prevalence and determinants of noise-induced hearing loss among workers in the automotive industry in China: A pilot study

Chen

Zhang

Qiu

et al. 2019

Journal of Occupational Health

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Objective Data on noise‐induced hearing loss (NIHL) in the automotive industry are rare. This pilot study aimed to investigate the prevalence and determinants of NIHL among workers in the automotive industry in China. Methods A cross‐sectional survey was conducted with 6557 participants from the automotive industry. The questionnaire survey was administered, and individual noise exposure level (LAeq.8h) and hearing loss level were measured. Results Of participants, 96.43% were male; the median age was 27.0 years and 28.82% had NIHL defined as adjusted high‐frequency noise‐induced hearing loss (AHFNIHL). Concerning individual noise levels (LAeq.8h), 62.53% exceeded 85 dB(A), which were mainly concentrated in various jobs, including metal cutting, surface treatment, stamping, welding, grinding, assembly, plastic molding, and forging. Each typical noise source generated its own unique temporal waveform shape with the type of non‐Gaussian noise. Of workers, 53.15% regularly used hearing protector devices (HPD), and the proportion of regular HPD use increased with LAeq.8h. The trend test showed that the prevalence of AHFNIHL in male workers significantly increased with an increase in LAeq.8h at <94 dB(A) and cumulative noise exposure (CNE) in each age group (P < 0.05 or P < 0.01). A logistic regression analysis showed that CNE and HPD usage frequency were important factors contributing to AHFNIHL. Conclusions CNE and HPD usage frequency were the determinants for NIHL. Much more human surveys are needed to understand the prevalence and determinants of NIHL in the automotive industry in China.

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Section: Discussionsupporting

confidence: 84%

Prevalence and determinants of noise-induced hearing loss among workers in the automotive industry in China: A pilot study

Chen

Zhang

Qiu

et al. 2019

Journal of Occupational Health

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“…However, further analysis need to be done to fully understand about the relationships between them. Prevalence of hearing loss (73.3%) for manufacturing workers in this study was considered high compared to other local studies of different industries such as 57.0% in quarry workers (Filza Ismail et al 2013), vector control workers 26.0% (Masilamani et al 2014). When compared to the hearing loss prevalence of workers in other countries, the prevalence of respondents in this study showed a more severe condition as it was higher.…”

Section: Discussioncontrasting

confidence: 54%

Prevalence of Hearing Loss and Hearing Impairment among Small and Medium Enterprise Workers in Selangor, Malaysia

Sam¹,

Anita²,

Hayati³

et al. 2017

JSM

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“…A cross-sectional analysis showing a temporal problem might astrict the evidence for a causal relationship between occupational noise and unhealthy condition. However, the causal association between noise exposure and hearing abnormality has been acknowledged 34,35 . The variable of duration to occupation noise was based on own oral-report which could have led to bias, as workers may not have remembered clearly or could have potentially given false information about longer exposure time.…”

Section: Discussionmentioning

confidence: 99%

The Influence of Occupational Noise Exposure on Cardiovascular and Hearing Conditions among Industrial Workers

Qin

Wang

et al. 2019

Sci Rep

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This study was conducted to estimate the current prevalence of hypertension, cardiovascular condition and hearing difficulty of workers exposure to occupational noise, and to analyze any associations between these abnormal signs and occupational noise exposure. The subjects included 5205 noise-exposed workers. Workers with high noise exposure were more likely to have a higher threshold value than low exposure ones ( P < 0.05). Subjects in the high exposure group had a significantly higher risk of hypertension and hearing loss than the ones in low exposure group. Between the ages of 30 and 45, high-level occupational noise exposure led to a significantly raising risk of both hypertension ( Adjusted OR = 1.59, 95% CI , 1.19–2.11) and hearing loss ( Adjusted OR = 1.28, 95% CI , 1.03–1.60) when comparing to low-level noise exposure. In male workers, the prevalence of hearing difficulty in high exposure group was approximately 1.2 times worse than in low group ( P = 0.006). In addition, exposure to high noise level demonstrated a significant association with hypertension and hearing loss when the duration time to occupational noise was longer than 10 years. Hypertension and hearing difficulty is more prevalent in the noise-exposed group (higher than 85 dB[A]). Steps to reduce workplace noise levels and to improve workplace-based health are thus urgently needed.

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Noise-Induced Hearing Loss and Associated Factors Among Vector Control Workers in a Malaysian State

Cited by 13 publications

References 21 publications

Prevalence and determinants of noise-induced hearing loss among workers in the automotive industry in China: A pilot study

Prevalence and determinants of noise-induced hearing loss among workers in the automotive industry in China: A pilot study

Prevalence of Hearing Loss and Hearing Impairment among Small and Medium Enterprise Workers in Selangor, Malaysia

The Influence of Occupational Noise Exposure on Cardiovascular and Hearing Conditions among Industrial Workers

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