Our finding that most sexually acti

Our finding that most sexually active adoles- cents were vocational college students is consistent with previous studies in Thailand, and the higher rate found among males (1.6:1) is consistent with the study of Santelli et al.. However, this finding contrasts with the Japanese conclusion that females were more sexually active than males (27.8% and 18.9% respectively).In Thailand, high school students tend to study hard because their ultimate goal in education is to gain entrance to highly-ranked and highly competitive universities. Being enrolled in a high-ranked university is considered to have a positive effect on their future career.