%0 Journal Article %T Alcohol, tobacco and cannabis use among ninth grade students (14-15-year-olds) in 2021. First results of the EnCLASS survey among 2 000 ninth grade students. Tendances No. 148 %+ Mission interministérielle de lutte contre les drogues et les conduites addictives (MILDECA) (MILDECA) %+ Premier ministre %+ Observatoire français des drogues et des toxicomanies (OFDT) %+ École des hautes études en santé publique (EHESP) (EHESP) %+ Ministère des Solidarités et de la Santé %A Spilka, Stanislas %A Philippon, Antoine %A Le Nézet, Olivier %A Janssen, Eric %A Eroukmanoff, Vincent %A Godeau, Emmanuelle %8 2021-12 %D 2021 %K ADOLESCENT %K ALCOHOL %K TOBACCO %K CANNABIS %K SECONDARY SCHOOL TEACHING %K TREND %K E-CIGARETTE %K EXPERIMENTATION %K NITROUS OXIDE %K GAMBLING %K HOOKAH %K OFDT %Z /Éducation et société/Protection sociale et santéPériodique et article de périodique %X In the first quarter of 2021, 1 972 fourth year students ("troisième" -grade 3 in France- would be the equivalent of secondary school in the UK or grade 9 of Junior High School in the United States) responded to a specific issue of the national adolescent health and substance use survey (EnCLASS) in middle and high schools.The survey asked adolescents about their initiation to tobacco, alcohol and cannabis and, using new questions, about heavy episodic drinking, problematic cannabis use, methods of acquiring tobacco and alcohol, introduction to nitrous oxide and gambling practices. %G anglais %2 https://www.documentation-administrative.gouv.fr/adm-01859734v1/document %2 https://www.documentation-administrative.gouv.fr/adm-01859734v1/file/OFDT_Tend148_EN.pdf %L adm-01859734 %U https://www.documentation-administrative.gouv.fr/adm-01859734