Objective To explore effects of strengthening intervention on the knowledge of AIDS prevention and control among construction workers in Nanhui area, and its risk factors.
Methods A total of 657 construction workers were randomly selected from 6 construction sites in Nanhui area, and were divided into two groups:general intervention group (only brochures were provided) and strengthening intervention group (brochures, display panel, DVD and face-to-face interview were provided).
Results There was no statistical significance in AIDS knowledge between the two groups before the interventions (P > 0.05), while there was statistical significance in AIDS knowledge between the two groups(P < 0.01) after the interventions, and the rising amplitude in the strengthening intervention group was significantly higher than in the general intervention group; the older, less educated and with lower income the worker was, the better intervention effects would be achieved.
Conclusion It is an effective measure to improve AIDS knowledge among construction workers by strengthening intervention. Meanwhile, such intervention should be repeated and intensified so as to avoid the oblivion of mastered knowledge.
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