| 冲床噪声与稳态噪声致工人高频听力损害的对比研究 |
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| 引用本文： | 张国英,唐智峰,姚永平.冲床噪声与稳态噪声致工人高频听力损害的对比研究[J].中华劳动卫生职业病杂志,2012,30(5):356-358. |
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| 作者姓名： | 张国英 唐智峰 姚永平 |
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| 作者单位： | 313200,浙江省德清县疾病预防控制中心 |
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| 摘 要： | 目的 了解冲床噪声对工人高频率段听力的影响,并与稳态噪声进行对比.方法 接触冲床噪声的38名锻压车间工人为冲床噪声接触组,62名接触稳态噪声的拉丝、磨粉等工人为稳态噪声组.用个人声暴露计采集工作期间噪声暴露数据,计算40h等效声级(LEX,W)和累积噪声暴露量(CNE).按GBZ 49-2007《职业性噪声聋诊断标准》对工人测试听力并计算和判定结果.结果 冲床噪声接触组CNE(97.0±6.4) dB (A)·年]与稳态噪声接触组CNE (97.6±5.7)dB(A)·年]比较,差异无统计学意义(P＞0.05).冲床噪声接触组高频听力损失率(55.3％)明显高于稳态噪声(32.3％),差异有统计学意义(CMHX2=6.928,P=0.0085)；冲床噪声接触组于CNE 95～104 dB(A)·年内损失率(13/19,68.4％)明显高于稳态噪声组( 13/37,35.1％),差异有统计学意义(P=0.018).logistic回归模型显示,冲床噪声组、稳态噪声组CNE与高频听力损失率均呈剂量-反应关系(P＜0.01).结论 应用个体噪声暴露数据计算时,在能量相同的情况下,冲床噪声所致高频听力损失的危害大于稳态噪声.
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| 关 键 词： | 噪声 职业性 听力损伤 职业暴露 |
Comparative investigation of hearing injury in workers exposed to punching machine noise and to steady state noise |
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| ZHANG Guo-ying
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TANG Zhi-feng
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YAO Yong-ping.Comparative investigation of hearing injury in workers exposed to punching machine noise and to steady state noise[J].Chinese Journal of Industrial Hygiene and Occupational Diseases,2012,30(5):356-358. |
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| Authors: | ZHANG Guo-ying TANG Zhi-feng YAO Yong-ping |
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| Institution: | Deqing County Center of Disease Control and Prevention, Deqing, Zhejiang Province, China. |
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| Abstract: | |
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| Keywords: | Noise Occupation Hearing injury Occupational exposure |
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