<![CDATA[Prolonged exposure to high noise levels in manufacturing industries can lead to irreversible hearing loss, significantly affecting workers’ quality of life and productivity. This cross-sectional study assessed the relationship between occupational noise exposure and hearing loss among 430 manufacturing workers in Bekasi, Indonesia. Audiometric examinations were performed to measure hearing thresholds, and workplace noise levels were recorded using a calibrated sound level meter. In addition, a structured questionnaire captured demographic information, work history, duration of noise exposure, and use of personal protective equipment (PPE). The results indicated that 41.6% of workers had signs of noise-induced hearing loss (NIHL), particularly in the high-frequency range. Workers exposed to noise levels exceeding 85 dB(A) for more than five years had a significantly higher prevalence of hearing loss (p<0.001). Inconsistent use of earplugs or earmuffs, lack of occupational safety training, and long work shifts were identified as contributing factors. The study emphasizes the urgent need for the implementation of noise control measures, including engineering controls, administrative policies, and mandatory use of PPE. Regular hearing conservation programs and education campaigns should be prioritized to reduce the burden of occupational hearing loss among industrial workers.]]>
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