1283Licit and Illicit substances use among Brazilian youth population: a cross-sectional, nationwide study

Abstract

Abstract Background Psychoactive substances are increasing within the young population enhancing exposure to sexual risks, violence and mortality by preventable causes. Moreover, the use of these substances at this stage of life can be a predictor of abuse in adult live. Thus, this study aims to examine the patterns of drugs use in Brazilian young adults. Methods A cross sectional study was performed in all Brazilian capitals between September-2016 to December-2017. 8581 participants aged 16 to 25 years answered a structured interview with socio and behavioral questions. The sample was weighted in each capital by age range and sex. Results Alcohol (71.6%), cannabis (27.4%), and cocaine (9.9%) were the most common addictive substances experienced once in life in the sample. The regular use in the past 12 months was reported in 40.5%, 12.5% and 2.5%, respectively. Significant differences were observed between men and women in regular use of alcohol (48.7% and 32.5%, p<.001), cannabis (18.8% and 6.3%, p<.001) and cocaine (3.8% and 1.4%, p<.001). Also observed high drug consumption regarding to low education level, upper class population and who had partner presence. Additionally, participants who had previous homosexual relationship had high rates of regular alcohol (65.9%) and cannabis use (22.6%). Conclusions Brazilian youth showed high rates of psychoactive substances use mainly alcohol and cannabis. Thus, knowledge about the patterns of alcohol and drugs use in this population is important to direct actions and prevent associated risks. Key message High rates of alcohol and cannabis use are reported in Brazilian youth population.