[Initiation and consumption of psychoactive substances among adolescents and young adults in an Anti-Drug Psychosocial Care Center].

The study seeks to characterize the initiation and consumption pattern of psychoactive substances among adolescents and young adults enrolled in an Alcohol and Drug Psychosocial Care Center (CAPS-AD). This study was conducted with records of attendance and the consumption pattern was classified in accordance with WHO: infrequent use (lifetime use, per year or up to five days per month); frequent use (6 to 19 times in the past 30 days); heavy use (≥ 20 times in the last 30 days). In the age group comparison, the test for proportion and association analysis was used and the prevalence and prevalence ratio was calculated with a significance level of 5% and 95% confidence interval. Of the total of adolescents and young adults treated between 2003 and 2008 (475), most were male, single, poorly educated, live with relations and have psychic symptoms. Statistical significance was found for age at initiation of use: adolescents compared to young adults started earlier (≤ 14 years): tobacco, marijuana, cocaine, crack and other SPA consumption. Among adolescents, significant results were found for the less frequent consumption of tobacco, more frequent use of alcohol, and heavy consumption of marijuana. These findings may contribute to the preventive and therapeutic CAPS-AD programs.