A multi-component intervention to promote hearing protector use among construction workers

Abstract Hearing protection devices (HPD) remain a primary method of prevention of noise-induced hearing loss despite their well-known limitations. A three-pronged intervention to increase HPD use was conducted among construction workers and included a baseline hearing loss prevention training, follow-up ‘toolbox’ (TB) reinforcement trainings, and use of a personal noise level indicator (NLI). A total of 176 subjects on eight sites completed three assessments. Prior to intervention, HPDs were used an average of 34.5% of the time and increased significantly, up about 12.1% after intervention and 7.5% two months after interventions were completed. The increase in HPD use was greatest among the group receiving both TB and NLI interventions; up about 25% from baseline, and this group was about two times more likely to use HPDs than the BL (baseline) training only group. This study demonstrates the mild impact of a well-constructed HPD use training and provides support for the additional use of a personal NLI to increase use of HPDs among construction workers. The most effective procedures for using such instruments require further exploration. Sumario Los instrumentos para la protección de la audición (HPD) siguen siendo el método primordial para la prevención de las pérdidas auditivas inducidas por ruido, a pesar de sus bien conocidas limitaciones. Se ha propiciado una intervención de tres facetas para incrementar el uso de los HPD por parte de los trabajadores de la construcción que incluyen un entrenamiento básico para la prevención de problemas auditivos, un conjunto de herramientas (TB) de seguimiento para reforzar los entrenamientos y el uso de un indicador personal de niveles de ruido (NLI). Completaron las tres evaluaciones un total de 176 sujetos en ocho sedes. Antes de la intervención, se usaron los HPD con un promedio de 34.5% del tiempo y aumentaron significativamente hasta alrededor del 12.1% después de la intervención y 7.5% dos meses después de que se completaron las intervenciones. El incremento en el uso de HPD fue mayor entre el grupo que recibió las intervenciones TB y NLI, hasta cerca del 25% a partir de la línea de base y este grupo fue usuario de HPD, cerca de dos veces más que el grupo que solo recibió el entrenamiento BL. Este estudio demuestra el ligero impacto de un entrenamiento bien estructurado del HPD y proporciona apoyo para el uso adicional de un NLI personal para incrementar el uso de HPDs en trabajadores de la construcción. Los procedimientos más efectivos para el uso de estos instrumentos, requiere un análisis adicional.

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