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Training on hearing protector insertion improves noise attenuation

机译：听力保护器插入方面的培训可改善噪声衰减

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ABSTRACT Purpose: To determine the efficacy of hearing protector insertion by comparing attenuation values measured by objective (MIRE) and subjective (REAT) methods in groups with and without training. Methods: The study included 80 male subjects assigned to experimental (with training) and control (without training) groups. The following procedures were performed: occupational history, objective and subjective assessment of hearing protectors. Only subjects in the experimental group received training and guidance on proper hearing protector insertion. Results: Attenuation values were significantly higher in the experimental group than in the control group at all frequencies (500, 1000, 2000, and 4000 Hz) investigated through the objective (MIRE) and subjective (REAT) methods. In addition, attenuation values in the control group were lower than those provided by the hearing protector manufacturer. Conclusion: Both objective and subjective attenuation tests demonstrated the efficacy of training on insertion of hearing protectors because the group that received training on proper hearing protection insertion exhibited higher attenuation values than the untrained group.
机译：摘要目的：通过比较在有和没有训练的情况下，通过客观（MIRE）和主观（REAT）方法测得的衰减值，以确定听力保护器的插入效果。方法：该研究包括80位男性受试者，分别分为实验组（训练）和对照组（未经训练）。执行以下程序：职业病史，听力保护者的客观和主观评估。仅实验组的受试者接受有关正确佩戴听力保护器的培训和指导。结果：通过客观（MIRE）和主观（REAT）方法研究的所有频率（500、1000、2000和4000 Hz）下，实验组的衰减值均显着高于对照组。另外，对照组的衰减值低于听力保护器制造商提供的衰减值。结论：客观衰减测试和主观衰减测试都证明了插入听力保护器的效果，因为接受过正确听力保护训练的组的衰减值要高于未经训练的组。

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