High-risk sexual behavior among young adults is concerning to clinicians, public health practitioners
and policy makers because it is associated with unintended health outcomes including transmission of
sexually transmitted infections (STIs) and unintended pregnancy. This paper analyzes how knowledge
of HIV, experience with dating behavior, and perception of peer behavior factors are associated with
having sexual intercourse and use of condoms among adolescent students in Malaysia. National data
from school-age adolescents who completed the Malaysian HIV/AIDS Knowledge, Attitude and
Practice survey were used. Chi-square analysis and multivariate logistic regression analyses were
performed. Having sexual intercourse was associated with urbaneness (p