Introduction: Based on the Theory of Planned Behaviour (TPB), sexual intention is determined by three main
socio-cognitive factors which are permissive attitudes, social-norms and self-efficacy in performing
premarital sexual activity. Premarital sex associated with increased risk of sexually transmitted diseases and
detrimental social implications. The aim of this study was to explore the correlation of the socio-cognitive
factors in predicting intention to engage in premarital sex amongst late adolescents in Kuantan government
secondary schools. Method: This cross-sectional study was conducted among 466 pre-university students aged
18-19 years from nine government secondary schools in Kuantan district. A self-administered validated Youth
Sexual Intention Questionnaire (YSI-Q) was used. Statistical analyses were done using IBM SPSS version 22.0.
Results: Permissive attitude (r=0.579, p