目的分析不同年龄、工龄、经济类型和企业规模噪声作业人员听力检查结果,探讨噪声作业人员听力损失的影响因素。方法收集2016年重庆市制造业的34 340名劳动者双耳高频平均听阈结果并进行分析。结果听力异常率有随年龄、工龄增长而升高的趋势,≥47岁年龄组的听力异常率为24.4%,≥9.1 a工龄组的听力异常率为18.6%;小型企业听力异常率为15.8%,显著高于其他经济类型企业;私有企业听力异常率为15.4%,显著高于其他经济类型企业。结论噪声作业人员听力损失与年龄和工龄有密切关系,小型私有企业为重庆市制造业噪声危害的监管重点。 Objective To analyze the audiological examination results of noise workers of different age, length of service, economic type and enterprise scale, and to study the influencing factors of hearing loss of noise workers. Methods The 34 340 workers in Chongqing’s manufacturing industry in 2016 were collected and analyzed. Results The rate of abnormal hearing increased with the increase of age and seniority. The rate of hearing loss in ≥47 years old group was 24.4%, that in ≥9.1 years old labor group was 18.6%, that in small business was 15.8% , Significantly higher than other economic types of enterprises; private enterprises hearing loss rate was 15.4%, significantly higher than other types of enterprises. Conclusion Hearing loss of noise workers is closely related to age and seniority. Small private-owned enterprises are the key points of supervision on manufacturing noise in Chongqing Municipality.