[Analysis on epidemiological characteristics of newly diagnosed occupational pneumoconiosis in Beijing from 2005 to 2021]

Objective: To analyze the epidemiological characteristics of newly diagnosed occupational pneumoconiosis in Beijing and provide a scientific basis for formulating prevention and control strategies. Methods: In January 2024, through the Occupational Disease and Health Hazard Factors Monitoring Information System, the incidence of newly diagnosed occupational pneumoconiosis cases in Beijing from 2005 to 2021 was collected. The basic information, stage, region, industry, enterprise scale, age of occupational disease diagnosis and dust exposure length characteristics of the cases were analyzed. Descriptive analysis methods were used to analyze the case data. Results: A total of 19329 cases of occupational pneumoconiosis were newly diagnosed in Beijing from 2005 to 2021, mainly coal worker's pneumoconiosis (16789 cases, accounting for 86.86%) and silicosis (819 cases, accounting for 4.24%) , and 16800 cases (accounting for 86.92%) were stage Ⅰ cases. Occupational pneumoconiosis cases were mainly concentrated in Mentougou District (8825 cases, accounting for 45.66%) , Fangshan District (8671 cases, accounting for 44.86%) . There were 8012 cases (accounting for 41.45%) in coal and anthracite mining and washing industry, and 7818 cases (accounting for 40.45%) in coal mining and washing industry. There were 14207 cases of large enterprises (accounting for 73.50%) . The age at diagnosis of occupational pneumoconiosis cases was 55 (47, 64) years old, and the working years exposed to dust were 15 (9, 25) years. Conclusion: The newly diagnosed occupational pneumoconiosis in Beijing has obvious regional and industry aggregation. It is necessary to strengthen the supervision and management of employers in key areas and industries, strengthen the protection knowledge training of workers, improve the protection awareness, and protect the occupational health of workers.