Objective: To examine several subjective components of adolescents' be
haviour concerning mental illness prevention. Method: Adolescents' kno
wledge, their attitudes and subjective norms, as well as their thought
s about how they would concretely handle a psychological problem were
measured A self-administered questionnaire was completed by 438 male a
nd female adolescents in grades 8 and 11. Results: Gender and age diff
erences were revealed: girls and older adolescents were more attuned t
o prevention. Further, the influence on young people of peers and pare
nts was also apparent. Conclusion: Adolescents perceive prevention con
cerning mental health as important.