Effects of a structured health education on prevention of HIV risky behaviours among adolescents in Nigeria - a pragmatic randomized controlled trial.

Infection with HIV/AIDS continues to be a major public health concern around the world, particularly in low- and middle-income nations. To assess the effectiveness of structured health education on the prevention of HIV/AIDS risky behaviours among adolescents in secondary school. A pretest-posttest-control group randomized controlled trial where a sample of 647 adolescents was drawn from the population of 2,890 secondary school students and was block-randomized into the intervention (n = 400) and control (n = 224) groups.