predictors of psychoactive drugs use among adolescents and youth in kermanshah city based on theory of planned behavior

abstract background: in the past two decades psychoactive drugs especially among adolescents and youth are common, these drugs located in the second row of drug abuse in the world. present study performed with aim of determinant of predictors of psychoactive drugs use among adolescents and youth in kermanshah city based on theory of planned behavior. methods: this cross-sectional study was performed among 385 adolescents and youth in kermanshah. participants were selected in simple random. the questionnaire consisted of three parts: demographics, knowledge questions about the consequences of psychoactive drugs and structures questionnaire of the theory of planned behavior that completed by participants in self-report. the data collected were analyzed by spss-21 with utilizes of regression tests and pearson correlation. findings: 7.2 and 4.2 % of the participants were experienced cristal and ecstasy. subjective norms (or=1.455), perceived behavioral control (or=0.793) and behavioral intentions (or=1.440) predicted psychoactive drugs use. conclusion: it seems that drug use by close friends and peer pressure as encouraging factors provide the conditions for the use of psychoactive drugs.