Background: The research is motivated by the increasing cases of HIV/AIDS on adolescent in
Yogyakarta. From 1423 cases, 585 cases because heterosexual. Sufferers HIV/AIDS at the most are
aged 20-29 years as many as 556 cases. As many as 65 cases is students. Teenagers are quite
prone to the development of the HIV/AIDS epidemic. SMA NEGERI 5 is one of senior high schools in
the Yogyakarta city who has peer education media and meeting every week actively than other senior
high school began actively or even inactive. Based on interviews with 11 students of class XI either
IPA or IPS, peer educators are not actively providing CIE to students at the school, particularly about
HIV/AIDS. Peer educators who are few in number (10 students) and PACTO more activities outside of
Objective: This study aims to see differences in adolescent’s knowledge and attitudes about
HIV/AIDS to the students who get information through the peer education by not get information
through the peer education.
Method: This research is a quantitative study with cross sectional approach and a comparative study.
The population of 256 students is the class XI were divided into two groups: a group that got
information about HIV/AIDS through peer education method by 25 students and a group that did not
get the information through the peer education as much as 25 students. Sampling technique is
Cluster Random sampling.
Result: Mann Whitney Test results of the analysis is ρ = 0,000 that ρ<0,05, which means there are
significant differences in the knowledge and attitudes of adolescents about HIV/AIDS between
students who get information through the peer education by not get information through the peer
Keywords: Knowledge, Attitude, Adolescent, HIV/AIDS, Peer Education