Medical students are heavy users of psychoactive substances, and even if levels of use vary depending on the universities, the average levels are higher than most other students.

In France, however, the use of licit or illicit substance has not been precisely described in medical students. The aim of this study was therefore to define the different modes of consumption of medical students.

Methods: This study was a cross-sectional survey in medical students from the University of Montpellier, and the investigators performed a cluster analysis of data. Both medical students and residents were included. Socio-demographic, medico-psychological and addictological data were collected.

Inclusion criteria:

• students had to be aged 18
• to be medical students

Exclusion criteria:

- refusal

To be included, students had to be aged 18 or more and to be medical students

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