Objective To evaluate the effect of an occupational health knowledge intervention designed for migrant workers in Liuzhou construction sites.
Methods Cluster sampling method was used to select workers from two construction sites with over 150 workers. A questionnaire survey was conducted among 430 construction migrant workers to collect personal basic information, work conditions, awareness of the Law on the Prevention and Control of Occupational Diseases, etc. Health education was also followed, and after the intervention the same questionnaire was used to compare the difference in awareness before and after the intervention program.
Results The awareness on the concept of occupational disease was 95.14% and 95.56% respectively before and after the intervention. However, after the intervention, the awareness on occupational health knowledge and related behaviors showed marked improvements: For wearing protective equipment while welding, the awareness rate increased from 79.56% to 99.04%; for choosing and wearing masks in an appropriate manner to prevent heavy metal (such as lead and cadmium) poisoning, the rate increased from 83.93% to 95.92%; for frequently having meals in workplaces, the rate declined from 12.91% to 2.31%; for adhering to washing hands, taking a shower, and changing clothes right off work, the rate increased from 39.95% to 80.29%. At the same time, the pathway of acquiring occupational health knowledge became wider, and the professional behaviors also experienced positive changes.
Conclusion The intervention program of occupational health education for construction migrant workers has achieved good effects.
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