Paper Title
Factors Associated with Risk Behavior of Sexually Transmitted Infection Diseases among Female Adolescents in Ubon Ratchathani Province, Thailand

Abstract
Sexually transmitted infection diseases prevalence and risks in Thai female adolescents (15–24 years old) were examined. Unprotected sex with a boyfriend conferred the greatest risk for prevalent STIs, particularly for younger adolescents and alcohol use increased the STI risk for women. This study aimed to investigate the prevalence and Factors associated with risk behavior of sexually transmitted infection diseases among female adolescents in UbonRatchathani province, Thailand. This study is a Cross-sectional Analytical study collected data from January to October 2016 by using self-reported questionnaire. Univariate (chi-square test) and multivariate analyses (logistic regression) were performed to identify the factors associated with the risk behavior of sexually transmitted infection diseases. The study found that 166 people were male, 47.6 percent and females 52.4 percent average age of 14.62 years (SD = 2.139) groups had experienced sexual intercourse, and 92 people representing a 55.4 percent average age of first homo 13.33 (SD = 2.133) first sexual by unattractive condom 54.3 percent had used drugs before having sex, 31.5 percent had been drinking alcohol before having sex 32.6 percent analyzed behavioral factors associated with the risk of sexually transmitted infections found that students who do not live with their families, risk behavior than students who live with their families. A statistically significant (ORadj = 5.47, 95%CI= 2.32-7.71) students experience substance abuse compared to those had no experience. A statistically significant (ORadj = 6.44, 95%CI= 2.84-8.33) students who living with parents (not mother or father) compared to who were living with both mother and father. A significantly greater for participants who had low knowledge level compared to who had high knowledge level (ORadj = 4.55, 95%CI= 2.67-6.88) and significantly greater for participants who had risk for sexual transmitted disease compared to who had no risk (ORadj = 3.44, 95%CI= 2.11-7.82). The results of the study The family should be involved in the creation of knowledge and the right attitude to the students. And all the sectors should work together to prevent and resolve. Keywords - Sexually transmitted diseases, Adolescents, Younger