Factors Associated with Pre-Marital Sexual Behavior Among Adolescents in Bima, West Nusa Tenggara: Theory of Planned Behavior

Background: Adolescent reproductive health is a major global challenge. Studies have reported around 16 million women 1519 years old give birth each year, 11% of all births worldwide.95% of these births occur in low- and middle income countries. This study aimed to examine factors associated with pre-marital sexual behavior among adolescents in Bima, West Nusa Tenggara, using Theory of Planned Behavior (TPB).Subjects and Method: This was a cross-sectional study conducted in Bima, East Nusa Tenggara, Indonesia, from April to June 2018. A sample of 200 senior high school students was selected by proportional stratified random sampling. The dependent variable was healthy pre-marital sex behavior. The independent variables were intention, attitude, maternal education, subjective norm, peer norm, perceived behaviour control (PBC), and reproduction health information center (PIK-KRR). The data were analyzed by path analysis.Results: Healthy pre-marital sex behavior was directly increased with intention (b= 0.56; SE= 0.03; p