Case-control study on risk factors of occupational injuries at nonferrous mines

Objective To explore risk factors of occupational injuries and the intensity of these factors at nonferrous mines. Methods Case control study design was used. 246 injured workers were assigned in case group and 246 workers without injury assigned in control group matched according to age and time-length of service. Results The higher score in safety cognition those workers had, the lower chances occupational injuries occurred. Type of occupation, work post, type of work, length of service, perceived accident, perceived heavy task, running abnormally of machine, unsuitable objection set, unsafe position, mismatch with colleagues, and perceived work pressure and education were found to be related to the occurrence of occupational injuries. Conclusions Occupational injuries at nonferrous mines are related to the factors coming from individuals, working conditions and labor organizations. The factors mentioned above should be taken into account in prevention and control of occupational injuries so as to protect risk workers and improve their health.