Abstract

Background: Several health problems happen to young adults related to risk behavior, among others are smoking, alcohol drinking, drug misuse, and premarital sex. Field data and facts showed that these risk behavior are inter-related. Objective: This research was aimed to identify risk behavior determinants, the most dominant variable related to risk behavior, and inter relationship among each risk behavior of young adults in indonesia in 2007. Methode: This research was an analytical study using raw data from Indonesia Young Adult Reproductive Health Survey data in 2007 which done in 33 provinces. The respondents were young adults within age range 15-24 years old with single status, which comprised of 10.830 men and 8.481 women. Result: Research findings showed that risk behavior determinants among young adults in indonesia were knowledge, altitude, age, sex, education level, ecomomic status, access to information and media, communication with parents and also friends with risk behaviors. The most dominant variable was sex. Menwere potentially 30 times higher to smoke, 10 times higher to drink alcohol, 20 tinzes higher to misuse drug, and 5 times higher to do premarital sex, compared to women. Conclussion: From this research, it was also known an inter relationship among the four risk behavior in young adults.   Keywords: Young adults, risk behavior, smoking, alcoholism, drugs, premarital sex