Objective: Identify factors associated with the knowledge and attitude regarding male condom use in school adolescents.
Methods: Cross-sectional, quantitative, Knowledge, Attitude, and Practice survey, conducted with 114 adolescents from a public state high school from August to October 2017, in Fortaleza, Ceará, Brazil.
Results: The assumption of having sufficient knowledge regarding safe sex, not having a casual/dating partner, and having had three or more sexual partners in the last three months affected adequate knowledge.