Attention deficit hyperactivity disorder symptoms and cannabis use after 1 year among students of the i-Share cohort
Jean, François Arnaud Matthieu (University of Bordeaux)
Arsandaux, Julie (University of Bordeaux)
Montagni, Ilaria (University of Bordeaux)
Collet, Ophélie (University of Bordeaux)
Fatséas, Mélina (University of Bordeaux)
Auriacombe, Marc (University of Bordeaux)
Ramos-Quiroga, Josep Antoni (Hospital Universitari Vall d'Hebron)
Côté, Sylvana M. (University of Montreal)
Tzourio, Christophe (University of Bordeaux)
Galéra, Cédric (University of Bordeaux)
Universitat Autònoma de Barcelona

Date:	2022
Abstract:	Cannabis use in university students is associated with academic achievement failure and health issues. The objective of the study was to evaluate the association between attention deficit hyperactivity disorder (ADHD) symptoms and cannabis use after 1 year among students according to previous cannabis use. Students in France were recruited from February 2013 to July 2020 in the i-Share cohort. 4,270 participants were included (2,135 who never used cannabis at inclusion and 2,135 who did). The Adult ADHD Self-Report Scale (ASRS) was used to assess ADHD symptoms at inclusion. Cannabis use frequency was evaluated 1 year after inclusion. Multinomial regressions were conducted to assess the association between inclusion ADHD symptoms and cannabis use after 1 year. Increase in ASRS scores was linked with a greater probability to use cannabis after 1 year and to have a higher cannabis use frequency (once a year-once a month adjusted odds ratio [OR]: 1. 24 (1. 15-1. 34), more than once a month adjusted OR: 1. 43 (1. 27-1. 61)). Among participants who never used cannabis at inclusion, this association disappeared (once a year-once a month adjusted OR: 1. 15 (0. 95-1. 39), more than once a month adjusted OR: 1. 16 (0. 67-2)) but remained in participants who ever used cannabis at inclusion (once a year-once a month adjusted OR: 1. 17 (1. 06-1. 29), more than once a month adjusted OR: 1. 35 (1. 18-1. 55)). High levels of ADHD symptoms in students could lead to continued cannabis use rather than new initiations.
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	ADHD ; Cannabis ; Cohort study ; Epidemiology ; Students
Published in:	European psychiatry, Vol. 65 (march 2022) , ISSN 1778-3585

DOI: 10.1192/j.eurpsy.2022.14
PMID: 35348052

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