Precursor factors of the use of alcohol and psychoactive substances by students of a public school

The use of psychoactive substances is a public health problem, considering the magnitude and diversity of aspects involved. Being in general adolescence the first contact, since it is the age group of greater vulnerability for experimentation and abusive use of these substances. Vulnerability, in general, is related to factors inherent to youth such as omnipotence, seeking new experiences, being accepted by the group, independence, family and social structure challenge, psychosocial and existential conflicts, and aspects related to the family. The present study investigated the precursor factors for the use of alcohol and other drugs by high school students of public school. The study was conducted with 139 high school students from a public school in the municipality of Imperatriz, state of Maranhão. The qualitative and quantitative approach were used. The data were collected through an adapted, self-applicable DUSI (Drug Use Screening Inventory) questionnaire already translated and validated in Brazil. The results showed that adolescents are consuming alcohol, drugs and psychoactive substances at an earlier age. However, they are still unaware of the real causes and consequences of the use of these substances for health.