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为监测长期接触噪声高危人群听力损失状况,评价佩戴定制耳塞对作业人员听力防护效果,我们于2012年1月至2014年12月选择辖区内某家具及玻璃制品企业接触噪声作业人员,监测其3年间听阈的变化及定制耳塞的防护效果,报告如下。1对象与方法1.1对象选取某家具及玻璃制品企业180名男性作业人员作为研究对象,其作业场所噪声强度(LEX,8h)≥85dB(A),将其随机分为两组,每组90名。调查组:平均年龄32.4岁,
In order to monitor the hearing loss status of people at high risk of long-term exposure to noise and evaluate the hearing protection effect of wearing customized earplugs on workers, we selected noise exposure workers in furniture and glass products businesses in the jurisdiction from January 2012 to December 2014 to monitor 3 Years of hearing changes and customized ear protection effect, the report is as follows. 1 Subjects and Methods 1.1 Subjects A total of 180 male workers in a furniture and glassware business were selected as study subjects and their workplace noise intensity (LEX, 8h) ≥85dB (A). They were randomly divided into two groups of 90 . Investigation team: the average age of 32.4 years old,