噪声作业500名工人听力检查结果分析

目的分析不同工龄、性别以及防护用品的使用情况与噪声作业工人听力损失的关系,为企业开展噪声危害控制提供依据。方法根据GBZ 188-2006噪声作业体检规范,对2008年北京市大兴区噪声作业工人500名健康检查的资料进行分析。结果不同暴露工龄组听力损失的发生率差异具有统计学意义（χ^2=35.85,P〈0.01）;严重听力损失的发生率有随着接触噪声时间的增加而增加的趋势,使用防护用品听力损失的发生率以及严重程度明显低于未使用防护用品者（χ^2=37.10,P〈0.01）。听力损失的严重程度与性别无关（χ^2=1.58,P〉0.05）。结论听力损失的发生率及严重程度与工龄有关,使用防护用品能起到较好的防护效果。

Analysis of Hearing Tests of 500 Workers Exposed to Noise

[ Objective ] To analyze the correlation between hearing loss and the age, gender and protective equipment usage of workers exposed to noise, and provide evidence for implementation of noise control in enterpises. [ Methods] According to GBZ 188-2006 physical specification, health examination information of 500 workers exposed to noise was analyzed in Daxin District of Beijing in 2008. [ Results ] The difference of hearing loss between different working age groups was significant （ x^2 = 35.85, P 〈 0.01 ） ; the incidence of hearing loss showed a increasing tendency with the time of noise exposure, the incidence and severity of hearing loss among workers with protective equipment was lower than that among workers without any protective equipment （ x^ = 37. 10, P 〈 0.01 ）. The severity was not related with gender（ x^ = 1.58, P 〉 0.05 ）. [ Conclusion] The incidence and severity of heating loss related with working age, the protective equipment can provide good protection.