J P Selten, M Di Forti, D Quattrone, P B Jones, H E Jongsma, C Gayer-Anderson, A Szöke, P M Llorca, C Arango, M Bernardo, J Sanjuan, J L Santos, M Arrojo, I Tarricone, D Berardi, A Lasalvia, S Tosato, C la Cascia, E Velthorst, E M A van der Ven, L de Haan, B P Rutten, J van Os, J B Kirkbride, C M Morgan, R M Murray, F Termorshuizen
BACKGROUND: We examined whether cannabis use contributes to the increased risk of psychotic disorder for non-western minorities in Europe. METHODS: We used data from the EU-GEI study (collected at sites in Spain, Italy, France, the United Kingdom, and the Netherlands) on 825 first-episode patients and 1026 controls. We estimated the odds ratio (OR) of psychotic disorder for several groups of migrants compared with the local reference population, without and with adjustment for measures of cannabis use...
May 9, 2024: Psychological Medicine