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March 12, 2026Noise and HealthOpen Access

Meta-analysis of Occupational Factors Contributing to Variability in Noise-induced Hearing Loss Severity

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Authors

XWXinmin WeiMinzu University of ChinaJYJun YangWuhan Prevention and Treatment Center for Occupational DiseasesJZJun ZhengNanjing Jiangning Hospital

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Implication

Meta-analysis evaluates occupational factors impacting noise-induced hearing loss severity, highlighting risks by industry.

Key Points

  • This meta-analysis evaluates occupational factors contributing to variability in noise-induced hearing loss severity across different industries.
  • Conducted a systematic review using multiple databases from January 2003 to January 2025.
  • Included studies reporting quantitative NIHL metrics including prevalence and odds ratios.
  • Data extraction focused on demographics, noise exposure levels, and NIHL outcomes.
  • Employed random-effects meta-analysis models to analyze data.
  • Generated forest plots to visualize findings.
  • Identified eleven cross-sectional studies covering 169,804 workers from various industries.
  • Mining showed the highest NIHL severity with prevalence rates ranging from 22.9% to 47%.
  • Manufacturing sectors exhibited elevated risks, especially in developing countries with prevalence rates of 20.4%-30.7%.
  • Construction workers had prevalence rates between 17% and 26.9% across subsectors.
  • Age ≥35 years was linked to significantly increased NIHL risk.

Cite This Study

Wei et al. (2026) studied this question.

synapsesocial.com/papers/69b2584996eeacc4fcec7d1dhttps://doi.org/10.4103/nah.nah_167_25
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The global burden of occupational noise‐induced hearing loss2005 · 1,065 citations
  2. 2Prevalence of hearing loss among noise‐exposed workers within the agriculture, forestry, fishing, and hunting sector, 2003‐20122017 · 44 citations
  3. 3Prevalence of hearing loss among noise‐exposed workers within the Mining and Oil and Gas Extraction sectors, 2006‐20152019 · 49 citations
  4. 4The Effect of Noise Exposure on High-Frequency Hearing Loss among Chinese Workers: A Meta-Analysis2023 · 16 citations
  5. 5Economic Impact of Hearing Loss and Reduction of Noise-Induced Hearing Loss in the United States2017 · 69 citations