Analysis of Noise Exposure Level and Influencing Factors of Small and Micro-Scale Enterprises in Beijing, China

Understand the noise exposure level and influencing factors of small and micro-scale enterprises in Beijing, and support the formulation of noise prevention and control policies. Noise hazards in small- and micro-scale enterprises were monitored from May to December 2021 using a combination of quest...

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Bibliographic Details
Published in:Inquiry (Chicago) 2022-01, Vol.59, p.469580221142486-469580221142486
Main Authors: Aihua, Li, Yan, Ye, Zhiqiang, Cao, Li, Hu, Guixin, Yu, Zihuan, Wang, Dan, Liu
Format: Article
Language:English
Subjects:
China
Humans
Occupational Exposure
Occupational Health
Original Research
Surveys and Questionnaires
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Summary:Understand the noise exposure level and influencing factors of small and micro-scale enterprises in Beijing, and support the formulation of noise prevention and control policies. Noise hazards in small- and micro-scale enterprises were monitored from May to December 2021 using a combination of questionnaire survey and on-site noise monitoring. The survey included questions on the basic characteristics of the enterprise, the situation of noise protection facilities, and protective equipment. We calculated the equivalent to the sound level of 8 h per day (LEX, 8h) or the equivalent of the sound level of 40 h per week (LEX,w) and the exceeding rate. Unconditional logistic regression was used to analyze the influencing factors. We recruited 194 enterprises in our study, including 145 small- and 49 micro-scale enterprises. Overall, 9.9% of the noise points exceeded the Chinese national standard, which was 85 dB(A). The detected noise of micro-enterprises significantly (P 
ISSN:0046-9580
1945-7243
DOI:10.1177/00469580221142486