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Interventions to prevent noise-induced hearing loss in farmworkers: a scoping review
Laura Coco1, Marisa Fried1, Kevin Quijano1
1School of Speech, Language, and Hearing Sciences, College of Health and Human Services, San Diego State University, San Diego, California, USA.
Objectives:
Farmworkers are at increased risk for noise-induced hearing loss. This scoping review aimed to summarise the evidence on interventions to prevent NIHL among farmworkers and to identify gaps and priorities for future research.
Methods:
The review followed Arksey and O'Malley's scoping review framework and was reported in accordance with PRISMA-ScR guidelines.
Results:
Twenty-three studies published between 1999 and 2023 met the inclusion criteria. Most (88%) were conducted in the United States. The majority employed educational strategies targeting intent to use hearing protection or self-reported use. Although educational approaches were generally effective, interventions that increased access to hearing protection were linked to higher self-reported use. Nearly half of the studies (n = 11) focused solely on individual-level outcomes.
Conclusions:
Although most existing NIHL prevention efforts have focused on education, structural approaches appear more promising for sustainable impact.

