The study of KBP of road construction workers of highway AIDS prevention project before and after intervention.

Objective: To get scientific basis for further health education through the research of the road construction workers' KBP before and after the interventions of highway AIDS prevention project.

Methods: Multi-stage random sampling method was employeed to select workers of 8 sites from 14 sites along highway to investigate their AIDS knowledge, belief and performance (KBP) before and after highway AIDS prevention project.

Results: Over 90% of the investigated workers had ever heard about AIDS, and the non-skilled workers of lower educational level improved more after intervention.