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1Departamento de Odontologia, Universidade Estadual da Paraíba (UEPB) Campina Grande (PB), Brasil. Study carried out at Campina Grande, Brazil. Corresponding author: Ana Flávia Granville-Garcia – Departamento de Odontologia, Universidade Estadual da Paraíba (UEPB), Rua Baraúnas, 351 – Bairro Universitário – CEP: 58429-500 – Campina Grande (PB), Brasil – Email: anaflaviagg@hotmail.com Financial support: none. Conflict of interests: nothing to declare. Abstract Objective: Investigate the use of psychoactive substances at least once in life among students at the beginning and end of their courses and determine the associated factors. Methods: A cross-sectional study conducted with a representative sample of 398 students in public university. The students answered a questionnaire validated for the evaluation of drug use and socio-demographic data. Poisson regression analysis was performed. Results: A total of 56.3% and 13.3% of the students had used both legal and ilegal drugs. The following variables remained significantly associated with legal drug use in the final model: male sex (PR=1.48; 95%CI: 1.25-1.76), older age group (PR=1.23; 95%CI: 1.03-1.47), not living with parents (PR=1.20; 95%CI: 1.01-1.41), not having a religion (PR=1.37; 95%CI: 1.16-1.62) and taking a course in the health field (PR=1.33; 95%CI: 1.08-1.64). The following variables were significantly associated with ilegal drug use: male sex (PR=2.33; 95%CI: 1.35-4.02), older age group (PR=2.27; 95%CI: 1.28-4.02), higher monthly income (PR=1.73; 95%CI: 1.05-2.85) and not having a religion (PR=1.70; 95%CI: 1.02-2.84). Conclusion: Legal and ilegal drug use at least once in life was associated with social factors, sex, age, income, religion, living situation and type of higher education course.

cadernos saúde coletiva

Use of psychoactive substances at least once in life among Brazilian university students at the beginning and end of courses and the associated factors