[A trend analysis of the incidence of occupational diseases in Chongqing, China, from 2006 to 2014].

To investigate the incidence of occupational diseases in Chongqing, China, from 2006 to 2014, and to analyze the harm, features, and trend of occupational diseases in Chongqing. The data of new cases of occupational diseases from 2006 to 2014 were collected, and the patients with a confirmed diagnosis of occupational diseases were selected as study subjects to analyze the incidence of occupational diseases in Chongqing. There were 17499 cases of occupational diseases in total in Chongqing from 2006 to 2014. Among these patients, 17124 (97.86%) were male, most of whom (95.40%) had occupational pneumoconiosis, and 375 (2.14%) were female, most of whom (72.80%) had occupational chemical poisoning. There were 16400 cases (93.72%) of occupational pneumoconiosis in total, mainly coal workers' pneumoconiosis (55.87%) and silicosis (43.02%) , and the main industries involved were coal mining and washing, railway transport equipment manufacturing, and mining and washing of bituminous coal and anthracite. There were 724 cases of occupational poisoning in total; there were 281 cases of acute occupational poisoning, mainly gas poisoning (39.86%) and carbon monoxide poisoning (33.10%) ; there were 443 cases of chronic occupational poisoning, mainly poisoning caused by benzene (47.63%) , mercury and its inorganic compounds (32.74%) , and lead and its inorganic compounds (9.03%) . Occupational diseases in Chongqing are mainly occupational pneumoconiosis, and occupational health supervision should be enhanced in the industries of coal mining and washing and railway transport equipment manufacturing to protect workers' health.