Educational interventions on prevention of hearing loss at work: an integrative review

Abstract Objective: to analyze the scientific production about educational interventions aimed at prevention of Noise-Induced Hearing Loss at work. Method: descriptive and analytical integrative review of scientific literature published between 2005-2016, in English and Portuguese, available in LILACS, MEDLINE, SciELO, PubMed and Google Scholar. Results: initially, 137 articles were identified; after application of inclusion and exclusion criteria, 16 articles (9 international, 7 national) were selected for analysis. The occupational categories included in the studies were: miners, firefighters, telemarketers, farmers, industrial fishermen, and workers of universities, electronic equipment industry, construction, meat processing, and food companies. Most studies aimed at changing the attitude towards hearing protectors. The international investigations were based on behavioral approaches and had the purpose of increasing intent of use and use of hearing protectors; only one of them was aimed at reducing noise level in the work environment. Among the national studies, three adopted behavioral approaches, and four developed educational activities, but only one mentioned a participatory methodology. Conclusion: educational interventions, which were only focused on the use of hearing protectors, were insufficient, indicating that they must be more comprehensive and participatory, as well as associated with environmental control measures.