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Facilitators and barriers to implementing Hearing Conservation Programmes in industrial workplaces: a systematic
Hanis Syazwani Ab Fatah1, Siti Munira Yasin2,3, Kamarulzaman Muzaini1
1Department of Public Health Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh, Selangor, Malaysia.
Occupational and Environmental Medicine
|August 13, 2025
Summary
Effective Hearing Conservation Programmes (HCPs) in industrial settings require management support and worker engagement. Addressing barriers like poor training and uncomfortable equipment is crucial for reducing noise-induced hearing loss (NIHL).
Area of Science:
- Occupational Health
- Public Health
- Audiology
Background:
- Noise-induced hearing loss (NIHL) is a significant occupational hazard in high-noise industrial environments.
- Current Hearing Conservation Programmes (HCPs) face limitations due to funding, training deficiencies, and low compliance.
Purpose of the Study:
- To systematically review factors influencing the implementation and effectiveness of industrial HCPs.
- To identify facilitators and barriers to HCP success and analyze program outcome variations.
Main Methods:
- Systematic literature search of major databases (PubMed, Web of Science, Scopus, Cochrane) for studies published between 2000-2024.
- Inclusion of diverse study designs (RCTs, observational, mixed methods) and quality assessment using EPHPP and ROBINS-I tools.
- Data extraction focused on HCP components, worker characteristics, and outcomes like hearing protection device usage and NIHL incidence.
Main Results:
- Management commitment, worker involvement, and tailored interventions were key facilitators for improved compliance and reduced NIHL.
- Inconsistent training, discomfort with hearing protection, and misalignment with workplace conditions were significant barriers.
- Regulatory compliance and a supportive organizational culture are vital for successful HCP implementation.
Conclusions:
- Effective HCPs necessitate context-specific designs that overcome workplace barriers and leverage facilitators.
- Future research should focus on longitudinal studies to assess the long-term impact and sustainability of HCPs.
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