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Effectiveness of Computer-Based Tailoring Versus Targeting to Promote Use of Hearing Protection L'efficacité comparée des interventions assistées par ordinateur personnalisées et ciblées dans la promotion de l'utilisation d'un dispositif de protection de l'ouïe

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Abstract:

The purpose of this study was to evaluate the effectiveness of 2 computer-based interventions and booster messages on construction workers' use of hearing protection. Construction workers ( = 343) were randomly assigned to receive tailored (addressing individual characteristics) or targeted (addressing shared characteristics) education, with or without booster messages, in an experimental 4-group pretest-post-test design. Post hoc message matching compared the value of tailored and targeted approaches. Participants improved use of hearing protection from 42% to 50% of the time they were exposed to noise 1 year post-intervention. Differences between intervention groups were not significant. The significant improvement in use of hearing protection demonstrates that interventions can have an impact on preventing noise-induced hearing loss. Since targeted and tailored intervention groups did not significantly differ in use of hearing protection, and since targeted interventions are less costly to develop, targeted interventions offer greater value.

French
L'objectif de cette étude était d'évaluer l'efficacité de deux interventions assistées par ordinateur et de messages incitatifs sur l'utilisation, par les travailleurs de la construction, d'une protection de l'ouïe. Des travailleurs de la construction (n = 343) désignés au hasard ont reçu un enseignement personnalisé (à partir de caractéristiques individuelles) ou ciblée (à partir de caractéristiques communes), avec ou sans messages incitatifs, dans le cadre d'un modèle expérimental prétest post-test comportant quatre groupes. L'appariement des messages effectué après les interventions visait à comparer la valeur de l'approche personnalisée et de l'approche ciblée. Une année après les interventions, l'utilisation d'une protection de l'ouïe chez les participants est passée de 42 à 50 % des fois où ils étaient exposés au bruit. Les différences entre les groupes n'étaient pas signifi catives. Cette importante amélioration dans l'utilisation d'une protection auditive démontre que les interventions peuvent avoir un impact sur la prévention de la perte d'audition due au bruit. Étant donné que les groupes ayant fait l'objet d'une intervention ciblée ou personnalisée ne présentaient pas de différences notables dans l'utilisation de la protection de l'ouïe, et que les interventions ciblées sont moins coûteuses à mettre au point, ces dernières sont plus avantageuses.

Keywords: COMPUTER-ASSISTED INSTRUCTION; EAR PROTECTIVE DEVICES; NOISE-INDUCED HEARING LOSS; RANDOMIZED CONTROLLED TRIAL

Document Type: Research Article

Publication date: March 1, 2007

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