Objective To analyze the regularity of pathogenesis and the characteristics of occupational diseases in 2006-2016 in Lanzhou city, and to provide bases for the prevention of occupational diseases and control policy.
Method According to the reported data of the occupational disease information network from January 1, 2006 to December 31, 2016, the data of diagnosed occupational cases were analyzed by using the Excel 2010 and SPSS18.0 software.
Results A total of 485 newly occupational cases were diagnosed from 2006-2016 in Lanzhou city. The number of reported cases was the highest (128 cases) in 2010 and which was in an upward trend in recent years. The reported occupational diseases were referred to 9 categories, mainly including pneumoconiosis (39.59%), silicosis (26.60%), aluminosis (6.80%) and occupational cataract (6.39%). The age of cases was 25 to 88 year-old and the median (M) was 50 year-old. The length of service was < 1 months to 46 years and the median was 22 years. The distribution of industries were coal mining and levigation industries (45.57%), non-metallic minerals mining and mineral concentration and products industries (16.91%), and non-ferrous metal smelting and rolling processing industrtries (9.90%). Most of new occupational cases were mainly from large enterprises (55.05%) and public owned enterprises (69.90%).
Conclusions The incidence of occupational diseases was still in a upward trend in Lanzhou city. It is necessary to strengthen the prevention of pneumoconiosis, especially in coal mining and washing industry in large and small enterprises as well as in public owned enterprises.
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