[Analysis on occupational health monitoring to workers in Zhoushan City].

To analyze the occupational health monitoring data of workers in Zhoushan City, and provide scientific basis for health monitoring and the formulation of occupational disease prevention measures. From January 2016 to November 2019, the occupational health examination data of 37826 workers in Zhoushan City were collected to analyze the change trend of the detection rate of suspected occupational diseases and occupational contraindications, and to compare the health monitoring status of workers with different social characteristics such as enterprise scale and economic type. From 2016 to 2019, the detection rate of suspected occupational diseases showed a downward trend (χ(2)(trend)=21.09, <0.05) . The occupational health examination of on-the-job workers in Zhoushan were mainly small enterprises (59.72%, 22591/37826) , private economic enterprises (65.32%, 24707/37826) , male (82.03%, 31028/37826) , 30-49 years old (59.11%, 22359/37826) , and exposed to noise (67.06%, 25365/37826) . The detection rates of occupational contraindications and suspected occupational diseases were higher in micro enterprise, male, over 60 years old, exposed to occupational hazards for more than 49 months, and exposed to chemical and physical hazards at the same time. The detection rates of occupational contraindications and suspected occupational diseases were significantly different among different enterprise scale, economic type, gender, age and occupational hazard factors (<0.05) . Among benzene workers with occupational contraindications and suspected occupational diseases, the detection rate of A/G abnormality in female workers was higher than that in male workers (=0.04) , and there was no significant difference in other genders (>0.05) . It is necessary to pay more attention to the workers working in small and private enterprises in Zhoushan City, strengthen the occupational health supervision of male workers who are over 60 years old who are exposed to benzene, noise and other occupational hazards, standardize the occupational health inspection, and effectively protect the health of the occupational population.