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| Monitoring results of key occupational hazard factors in workplaces in Aba Tibetan and Qiang Autonomous Prefecture |
| YU Chaoyan1, HONG Bin1, WU Xiaojun1, WANG Nianwei1, GAO Yan2, WANG Yangfeng3
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1. Aba Tibetan and Qiang Autonomous Prefecture Center for Disease Control and Prevention, Barkam, Sichuan 624000, China;
2. Deyang Center for Disease Control and Prevention, Deyang, Sichuan 618000, China;
3. Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan 610041, China |
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Abstract Objective To analyze the monitoring results of key occupational hazard factors in workplaces across different industries in Aba Tibetan and Qiang Autonomous Prefecture (Aba Prefecture), Sichuan Province, so as to provide the basis for optimizing occupational disease prevention and control measures. Methods Data of key occupational hazard factors in workplaces in Aba Prefecture from 2022 to 2024 were collected through the Workplace Occupational Hazard Monitoring System. Descriptive analyses were conducted on the over-standard rates of occupational hazard factors, completion rates of occupational health examinations, and participation rates in occupational health training. Results From 2022 to 2024, 165 enterprise-times in Aba Prefecture were monitored, with 112 enterprise-times exceeding the standards, the over-standard rate of enterprises was 67.88%. A total of 1 005 worksite positions were monitored, with 302 exceeding the standards, the over-standard rate of worksite positions was 30.05%. The over-standard rates of enterprises and worksite positions showed upward trends from 2022 to 2024 (both P<0.05). The over-standard rates of enterprises in the ferrous metal mining and dressing industry and non-ferrous metal mining and dressing industry were both 100%. The top three over-standard rates of worksite positions were in the non-metallic mining and dressing industry, ferrous metal mining and dressing industry, and non-ferrous metal mining and dressing industry, at 62.50%, 56.00%, and 53.13%, respectively. Worksite positions exposed to silica dust, noise, and coal dust had relatively high over-standard rates, at 17.00%, 10.04%, and 7.27%, respectively. The actual numbers of physical examinations for personnel at worksite positions with dust, chemical factors, and physical factors were 9 398, 2 469, and 10 928 person-times, respectively, with completion rates of 95.78%, 81.03%, and 100.00%, respectively. The actual number of re-examinations were 428, 129, and 1 121 person-times, respectively, with re-examination rates of 64.26%, 27.27%, and 81.53%, respectively. Among the monitored enterprises, 102 enterprise-times participated in training for persons in charge, with a participation rate of 61.82%; 108 enterprise-times participated in training for occupational health management personnel, with a participation rate of 65.45%; and 10 489 person-times of workers exposed to hazards participated in occupational health training for workers, with a participation rate of 86.24%. Conclusions The over-standard rate of key occupational hazards factors in workplaces in Aba Prefecture was relatively high. The completion rate of occupational health examinations was good, but the re-examination rate was low. It is recommended to focus on strengthening the prevention and control of occupational hazard factors in the mining and dressing industry and promoting the effective implementation of occupational health examinations and occupational health training.
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Received: 08 July 2025
Revised: 23 November 2025
Published: 25 December 2025
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