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Masons have the highest rate of overexertion injuries among all construction trades and rank second as an occupation for back injuries in the United States. Identified ergonomic solutions are the primary method of reducing exposure to risk factors associated with musculoskeletal disorders. However, many construction workers lack knowledge about these solutions, as well as basic ergonomic principles. Construction apprentices, as they embark on their careers, are greatly in need of ergonomics training to minimize the cumulative exposure that leads to musculoskeletal disorders. Apprentices receive safety training; however, ergonomics training is often limited or non-existent. In addition, apprenticeship programs often lack "soft skills" training on how to appropriately respond to work environments and practices that are unsafe. The SAVE program - SAfety Voice for Ergonomics - strives to integrate evidence-based health and safety training strategies into the mason apprenticeship skills training to teach ergonomics, problem solving, and speaking up to communicate solutions that reduce musculoskeletal injury risk. The central hypothesis is that the combination of ergonomics training and safety voice promotion will be more effective than no training or either ergonomics training alone or safety voice training alone.
Following the development and pilot testing of the SAVE intervention, SAVE will be evaluated in a cluster-randomized controlled trial at 12-15 masonry training centers across the U.S. Clusters of apprentices within centers will be assigned at random to one of three intervention groups (n = 32 per group): (1) ergonomics training only, (2) combined ergonomics and safety voice training, or (3) control group with no additional training intervention. Outcomes assessed at baseline, at the conclusion of training, and then at six and 12 months post training will include: musculoskeletal symptoms, general health perceptions, knowledge of ergonomic and safety voice principles, and perception and attitudes about ergonomic and safety voice issues.
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A. Rationale Masons have the highest rate of overexertion injuries among all construction trades and rank second as an occupation for back injuries in the United States. Identified ergonomic solutions are the primary method of reducing exposure to risk factors associated with musculoskeletal disorders. However, many construction workers lack knowledge about these solutions, as well as basic ergonomic principles. Construction apprentices have the greatest need for ergonomics training as they embark on their careers to minimize cumulative exposure that leads to musculoskeletal disorders. Additionally, apprenticeship training programs often lack "soft skills" training on how to appropriately respond to work environments and practices that are unsafe. The SAVE program - SAfety Voice for Ergonomics - strives to integrate evidence-based health and safety training strategies into current masonry apprenticeship skills training to teach ergonomics, problem solving, and speaking up to reduce musculoskeletal injury risk. SAVE will incorporate blended learning principles by combining traditional, face-to-face teaching methods with e-learning methods.
B. Objectives The primary objective of this project is to evaluate the SAVE program in a cluster randomized controlled trial in 12-15 masonry training centers. Clusters of apprentices within centers will be assigned at random to one of four intervention groups (n = 32 per group): (1) ergonomics training only, (2) combined ergonomics and safety voice training, or (3) control group with no additional training intervention. Outcomes assessed at baseline, at the conclusion of training, and then at 6 and 12 months post training will include: musculoskeletal symptoms, general health perceptions, knowledge of ergonomic and safety voice principles, and perception and attitudes about ergonomic and safety voice issues. The central hypothesis is that the combination of ergonomics training and safety voice promotion will be more effective than no training or either ergonomics training alone or safety voice training alone.
C. Procedures Primary Training Program E-learning Modules. Depending on the group to which a training center is assigned, apprentices within that center will view brief e-learning training modules to provide apprentices with basic knowledge of ergonomic and/or safety voice principles. These modules include text, brief video clips, and interactive on-screen slides that guide apprentices through content with brief quizzes that assure understanding. Apprentices will complete the modules at the apprenticeship training center. Learning gained from completing the e-learning modules will be reinforced by short (10-20 minute), applied, face-to-face experiential activities. These interactive, face-to-face, problem-solving activities will complement the e-learning and will include vignettes to promote discussion of hypothetical worksite cases related to ergonomics and/or safety voice. These vignettes will be brief to fit into existing training time demands.
Secondary (Refresher) Training Program Refresher training for ergonomics and/or safety voice will bolster concepts learned by apprentices in the primary training. Depending on the group to which a training center is assigned, apprentices within that center will receive refresher training through text messages that are sent by the researchers. Secondary training is considered medium engagement learning since apprentices will respond to texts. For example, an ergonomic-related text message would read, "Keeping work between knee and shoulder level reduces the risk of a back or shoulder injury. During the past week have you worked on adjustable scaffolding?" The apprentice will respond "Yes" or "No." Apprentices responding "Yes" will receive a follow-up text/email reminding them of the importance of keeping work between knee and shoulder level. Refresher training will be delivered over a one-year period to maximize knowledge retention.
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108 participants in 3 patient groups
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