This study was a cross-sectional study, data collection
were from 1 January to 21 February. Target population
was students in Mahidol Withayanusorn high school
Grade 10 to 12 in Phuttamonthon District, Nakhon Pathom
province. Regarding calculated sample size, 270 students
were selected using Simple Random Sampling method
according to the number of classes.
A self-administered structured questionnaire was
used in this study. 14 questions were set up in each
dimension of attitude. Attitude toward adolescent pregnancy,
induced abortion and supporting health services refer to
the high school students’ feeling concerning with future,
family, society influences of adolescent pregnancy and
induced abortion, pregnancy preventing, contraceptives
using, adolescents’ right and legalization, quantity, quality,
and prices of existing health services for adolescent
pregnancy and induced abortion.