R. F. Beck, . Jb, .. R. Guignard, and L. Nézet, O et Spilka. S. Les niveaux d'usage des drogues en France en 2014, explorations des données du baromètre santé, Tendances n°99, p.8, 2014.

. Wonca-europe, La définition européenne de la médecine générale-médecine de famille, p.52, 2002.

. Gautier, Baromètre de santé des médecins généralistes, INPES, coll. Baromètres santé, p.266, 2009.

. F. Beck, R. R. Guignard, . Jb, . Tovar, . Ml et al., S, les niveaux d'usage des drogues en France en, Tendances, vol.76, p.6, 2010.

, Rapport européen sur les drogues 2016 : tendances et évolution, Publications Office of the European Union, EMCDDA, p.84, 2016.

P. F. Grotenhermen, Clin. Pharmacokinet, vol.42, issue.4, pp.327-60, 2003.

, Convention unique sur les stupéfiants, disponible sur

, Code de la Santé Publique : lutte contre la toxicomanie : Peines applicables Art L3421-1, disponible sur

, Code pénal : du trafic de stupéfiants Art 222-37

, Code de la route Art L235-1, disponible sur

, Code pénal : du contenu et des modalités d'application de certaines peines : Art 13135-1, disponible sur

, Code pénal : des peines correctionnelles Art 131-6, disponible sur

. Obradovic, Législations relatives à l'usage et à la détention de cannabis : définition et états des lieux en Europe. OFDT Saint-Denis 15 mars, 2016.

, Commission des stupéfiants et psychotropes, séance n° 4 du 19 septembre, ANSM, 2013.

. Kilmer, . Jr, . Hunt, and L. Sb, CM, Neighbors. C, Marijuana use, risk perception and consequences : is perceived risk congruent with reality ?, Addict. Behav, vol.32, issue.12, pp.3026-3059, 2007.

. Stephens, . Rs, . Roffman, . Ra, . Fearer et al., The Marijuana Check-up : reaching users who are ambivalent about change, Addiction, vol.99, issue.10, pp.1323-1355, 2004.

. N. Walden and . Earleywine, How high quantity as a predictor of cannabis-related problems, Harm Reduct. J, vol.5, p.20, 2008.

. Bello, . Py, . L. Plancke, . G. Cagni, . Delile et al., Les usagers fréquents de cannabis, éléments descriptifs, pp.88-91, 2004.

. F. Beck, . S. Legleye, .. F. Maillochon, and D. Perette, Le rôle du milieu social dans les usages de substances psychoactives des hommes et des femmes. Regards sur la parité, 2008.

W. M. Windle, Early onset problem behaviors and alcohol, tobacco and other substance use disorders in young adulthood, Drug Alcohol depend, vol.121, issue.1-2, pp.152-158, 2012.

. Costes, . Jm, .. S. Legleye, and . Cadet-taïrou, A, Les usagers réguliers de cannabis, les contextes et les modalités de leurs usages, dans Usages réguliers, usages problématiques de cannabis, OFDT. Cannabis, données essentielles, 2007.

. Quek, C. G. Lh, . A. White, . Connor, . Jp et al., Concurrent and simultaneous polydrug use : latent class analysis of an australian nationally representative sample of young adult, Front Public health, vol.1, p.61, 2013.

S. H. Csémy and P. B. , Alcohol consumption and marijuana use in young adult Czechs, Cent Eur J Public health, vol.20, issue.4, pp.244-251, 2012.

. Stein, . Md, . Caviness, A. Cm, and . Bj, Alcohol use potentiates marijuana problem severity in young adult women, Womens Health Issues, issue.1, pp.77-82, 2014.

. Stinson, . Fs, . Grant, . Bf, . Dawson et al., Comorbidity between DSM-IV alcohol and specific drug use disorders in the United States : Results from the national epidemiologic survey on alcohol and related conditions, Drug and Alcohol Depend, vol.80, issue.1-2, pp.62-72, 2005.

M. Konstantopoulos, . Wl, . Dreifuss, . Ja, . Mcdermott et al., Identifying patients with problematic drug use in the emergency departments : results of a multisite study, Ann Emerg Med, vol.64, issue.5, pp.516-525, 2014.

J. C. Elliott, . Odrey, . Kb, . Scott-sheldon, and . La, Development of a decisional balance scale for young adult marijuana use, Psychol Addict Behav, vol.25, issue.1, pp.90-100, 2011.

. Lee, . Cm, . Neighbors, . Cs, . Woods et al., Marijuana motives : young adults 'reasons for using marijuana, Addict Behav, vol.32, issue.7, pp.1384-94, 2007.

. Lee, . Cm, . C. Neighbors, . Hendershot, and G. J. Cs, Development and preliminary validation of a comprehensive marijuana motives questionnaire, J Stud Alcohol Drugs, vol.70, issue.2, pp.279-287, 2099.

. J. Hayaki, . Hagerty, . Ce, . Hermann, D. Ds et al., Expectancies and marijuana use frequency and severity among young female, Addict Behav, vol.35, issue.11, pp.995-1000, 2010.

. I. Obradovic, Guide pratique des principaux outils de repérage de l'usage problématique de cannabis chez les adolescents, OFDT/ Fédération Addiction, 2013.

. D. Piontek and K. L. Kraus, Short scales to assess cannabis-related problems : a review of psychometrics properties, Subst Abuse Treat Prev Policy, vol.3, p.25, 2008.

. M. Asbridge, . C. Duff, . Marsh, . Dc, and . P. Erickson, Problems with the identification of « problematic » cannabis use : examing the issues of frequency, quantity and drug use environment, Eur Addict Res, vol.20, issue.5, pp.254-67, 2014.

. J. Mcneely, . Strauss, . Sm, . J. Rotrosen, . A. Ramautar et al., Validation of an audio computer assisted self interview (ACASI) version of the alcohol, smoking and substance involvement screening test (ASSIST) in primary care patients, Addiction, vol.111, issue.2, pp.233-244, 2016.

. S. Legleye, . L. Kraus, . D. Piontek, and J. O. Phan, Validation of the Cannabis Abuse Screening Test in a sample of cannabis inpatients, Eur Addict Res, vol.18, issue.4, pp.193-200, 2012.

. Cuenca-royo, . Am, . A. Sanchez-niubo, . Forero, . Cg et al., Psychometric properties of the CAST and SDS scales in young adult cannabis users, Addict Behav, vol.37, issue.6, pp.709-724, 2012.

. P. Van-den-pol, .. N. Liebregts, D. R. Graaf, . Korf, . Dj et al., Reliability and validity of the severity of dependence scale for detecting cannabis dependence in frequent cannabis users, Int J Methods Psychiatr Res, issue.2, pp.138-181, 2013.

. Adamson, . Sj, . Sellman, and . Jd, A prototype screening instrument for cannabis use disorder : the cannabis use disorders identification test(CUDIT) in an alcoholdependent clinical sample, Drug Alcohol Rev, vol.22, pp.309-315, 2003.

. B. Annaheim, . J. Rehm, and . Gmel, How to screen for problematic cannabis use in population surveys. An evaluation of the cannabis use disorders identification test (CUDIT) in a swiss sample of adolescents and young adults, Eur. Addict. Res, vol.14, pp.190-197, 2008.
DOI : 10.1159/000141643

. E. Guillem, . C. Notides, . M. Debray, . F. Vorspan, .. C. Musa et al., Psychometric properties of the cannabis use disorders identification test in french cannabis misusers, Journal of Addictions Nursing, vol.22, issue.4, pp.214-223, 2012.

. R. Ramchand, . Marshall, . Gn, . Schell, . Tl et al., Alcohol abuse and illegal drug use among Los Angeles country trauma patients : prevalence and evaluation of single item screener, J Trauma, vol.66, issue.5, pp.1461-1467, 2009.
DOI : 10.1097/ta.0b013e318184821d

URL : http://europepmc.org/articles/pmc2909486?pdf=render

. Dawson, . Da, . Compton, G. Wm, and . Bf, Frequency of 5+/4+ drinks as a screener for drug use and drug use disorders, J Stud Alcohol Drugs, vol.71, issue.5, pp.751-760, 2010.

. Smith, . Pc, . Schmidt, . Sm, . Davis et al., A single-question screening test for drug use in primary care, Arch Intern Med, vol.170, issue.13, pp.1155-1160, 2010.
DOI : 10.1001/archinternmed.2010.140

URL : https://jamanetwork.com/journals/jamainternalmedicine/articlepdf/225770/ioi05041_1155_1160.pdf

. L. Degenhardt, . M. Lynskey, . C. Coffey, and .. G. Patton, Diagnostic orphans » among young adult cannabis users : persons who report dependence symptoms but do not meet diagnostic criteria, Drug and Alcohol Dependence, vol.6, pp.205-212, 2002.
DOI : 10.1016/s0376-8716(02)00064-9

. Mariani, . Jj, . D. Brocks, L. M. Haney, and . Fr, Quantification and comparaison of marijuana smoking practices : blunt, joints and pipes. Drug Alcohol Depend, vol.113, pp.249-251, 2011.
DOI : 10.1016/j.drugalcdep.2010.08.008

URL : http://europepmc.org/articles/pmc3025094?pdf=render

. B. Laumon, . B. Gadegbeku, .. Martin, and S. Le-groupe, OFDT-Paris-2 décembre, Stupéfiants et accidents mortels (étude Sam), 2005.

. Ashtonc, Pharmacology and effects of cannabis : a brief review. The british journal of Psychiatry, vol.178, pp.101-106, 2001.

W. Hall, The adverse health effects of cannabis use: what are they, and what are their implications for policy?, Int J Drug Policy, vol.20, pp.458-66, 2009.

. Sasco, Cannabis et risques somatiques in : Risques, conséquences et effets liés aux usages de cannabis, Données essentielles, pp.88-109, 2006.

. Johns, Psychiatric effects of cannabis, Br J Psychiatry, vol.178, issue.2, pp.116-122, 2001.
DOI : 10.1192/bjp.178.2.116

URL : https://www.cambridge.org/core/services/aop-cambridge-core/content/view/08CDBE0BEB6E53A59BE52538D810E9B0/S0007125000265082a.pdf/div-class-title-psychiatric-effects-of-cannabis-div.pdf

. Crane, . Na, . Schuster, . Rm, . P. Fusar-poli et al., Effects of cannabis on neurocognitive functioning : recent advances, neurodevelopmental influences, and sex differences, Neuropsycho. Rev, vol.23, issue.2, pp.117-137, 2013.
DOI : 10.1007/s11065-012-9222-1

URL : http://europepmc.org/articles/pmc3593817?pdf=render

. Fisher, . Ba, . A. Ghuran, and A. V. Vadamalai, Cardiovascular complications induced by cannabis smoking : a case report and review of the literature, Emerg Med J, vol.22, pp.679-680, 2005.

. Hodcroft, . Cj, . Rossiter, and B. Mc, AN, Cannabis-associated myocardial infarction in a young man with normal coronary arteries, J Emerg Med, vol.47, issue.3, pp.277-81, 2014.
DOI : 10.1016/j.jemermed.2013.11.077

. I. Casier, . P. Vanduynhoven, . S. Haine, . C. Vrints, . Jorens et al., Is recent cannabis use associated with acute coronary syndromes ? An illustrative case series, Acta cardiol, vol.69, issue.2, pp.131-136, 2014.
DOI : 10.1080/ac.69.2.3017293

. P. Deharo, . Massoure, . Pl, and . Fourcade, Exercise-induced acute coronary syndrome in a 24-year-old man with massive cannabis consumption, Acta Cardiol, vol.68, issue.4, pp.425-433, 2013.
DOI : 10.1080/ac.68.4.2988898

. S. Rezkalla, . R. Stankowski, and . R. Kloner, Cardiovascular effects of marijuana, J. of cardiovasc. Pharmacol and therapeutics, vol.21, issue.5, pp.452-455, 2016.

. L. Frost, . E. Mostofsky, .. J. Rosenbloom, . J. Mukamalk, and . M. Mittleman, Marijuana use and long-term mortality among survivors of acute myocardial infarction, Am Heart J, vol.165, issue.2, pp.170-175, 2013.

. A. Reece, . A. Norman, and .. G. Hulse, Cannabis exposure as a interactive cardiovascular risk factor and a accelerant of organismal ageing : a longitudinal study, BMJ Open, vol.6, issue.11, 2016.

. A. Baranchuk, .. A. Johri, .. C. Simpson, . M. Methot, and .. D. Redfearn, Ventricular fibrillation triggered by marijuana use in a patient with ischemic cardiomyopathy : a case report, Cases J, vol.1, p.373, 2008.

R. T. Lawson, Stroke and transient ischaemic attacks in association with substance abuse in a young man, Postgrad Med J, vol.72, issue.853, pp.692-693, 1996.

J. M. Tetrault, K. Crothers, and B. A. Moore, Effects of marijuana smoking on pulmonary function and respiratory complications: a systematic review, Arch Intern Med, vol.167, pp.221-229, 2007.

D. P. Tashkin, Pulmonary complications of smoked substance abuse, West J Med, vol.152, pp.525-555, 1990.

M. H. Lee and R. J. Hancox, Effects of smoking cannabis on lung function, Expert Rev Respir Med, vol.5, pp.537-583, 2011.

M. R. Mehra, . K. Crothers, . J. Tetrault, and . D. Fiellin, The association between marijuana smoking and lung cancer : a systematic review, Arch Intern Med, vol.166, issue.13, pp.1359-1367, 2006.

. Tashkin, . Dp, .. G. Baldwin, . T. Sarafian, and R. S. Dubinett, Respiratory and immunologic consequences of marijuana smoking, J Clin Pharmacol, vol.42, pp.71-81, 2002.

D. P. Tashkin, M. S. Simmons, and C. H. Tseng, Impact of changes in regular use of marijuana and/or tobacco on chronic bronchitis, COPD, vol.9, pp.367-74, 2012.

S. E. Fligiel, M. D. Roth, E. C. Kleerup, S. H. Barsky, M. S. Simmons et al., Tracheobronchial histopathology in habitual smokers of cocaine, marijuana, and/or tobacco, Chest, vol.112, issue.2, pp.319-345, 1997.

R. M. Maertens, P. A. White, and W. Rickert, The genotoxicity of mainstream and sidestream marijuana and tobacco smoke condensates, Chem Res Toxicol, vol.22, issue.8, pp.1406-1420, 2009.

. D. Lutchmansingh, . L. Pawar, and . Savici, Legalizin cannabis : a physician's primer on the pulmonary effects of marijuana, Curr Respir Care Rep, vol.3, pp.200-205, 2014.

. S. Aldington, . M. Harwood, . B. Cox, . M. Weatherhall, . L. Besckert et al., Cannabis use and risk of lung cancer : a case-control study, Eur Resp J, vol.31, issue.2, pp.280-286, 2008.

D. W. Cescon, A. V. Page, S. Richardson, M. J. Moore, S. Boerner et al., Invasive pulmonary aspergillosis associated with marijuana use in a man with colorectal cancer, J Clin Oncol, vol.26, issue.13, pp.2214-2219, 2008.

Y. Gargani, P. Bishop, and D. W. Denning, Too many mouldy joints-marijuana and chronic pulmonary aspergillosis, Mediterr J Hematol Infect Dis, vol.3, issue.1, p.2011005, 2011.

P. E. Verweij, J. J. Kerremans, A. Voss, and J. F. Meis, Fungal contamination of tobacco and marijuana, JAMA, vol.284, issue.22, p.2875, 2000.

R. C. Kolodny, W. H. Masters, . Kolodner, . Rm, and G. Toro, Depression of plasma testosterone levels after chronic intensive marihuana use, N Engl J Med, vol.290, pp.872-874, 1974.

. Van-gelder, . Mm, . J. Reefhius, . Caton, . Ar et al., Birth Defects Prevention Study, Characteristics of pregnant illicit drug users and associations between cannabis use and perinatal outcome in a population-based study, Drug Alcohol Depend, vol.109, issue.1-3, pp.243-250, 20101.

. L. Degenhardt and L. W. Hall, Exploring the association between cannabis use and depression, Addiction, vol.98, pp.1493-1504, 2003.

. S. Lev-ran, .. M. Roerecke, L. B. Foll, G. T. , M. K. et al., The association between cannabis use and depression : a systematic review and metaanalysis of longitudinal studies, Psychological medicine, pp.1-14, 2013.

. L. Rovai, .. A. Maremmani, . M. Pacini, .. P. Pani, . F. Rugani et al., Negative dimension in psychiatryAmotivational syndrome as a paradigm of negative symptoms in substance abuse, Riv Psichiatr, vol.48, issue.1, pp.1-9, 2013.

.. N. Volkow, .. J. Swanson, .. A. Evins, .. L. Delisi, .. M. Meier et al., Effects of cannabis use on human behavior, including cognition, motivation and psychosis : a review, Jama Psychiatry, vol.73, issue.3, pp.292-297, 2016.

.. M. Krebs, . A. Gut, and D. M. Plaze, L'impact du cannabis à l'adolescence sur la transition psychotique de l'adulte. Neuropsychiatrie de l'enfance et de l'adolescence, vol.61, pp.224-230, 2013.

. L. Degenhardt, . Hall, . Wd, . M. Lynskey, . J. Mcgrath et al., Should burden of disease estimates include cannabis use as a risk factor for psychosis ?, PLOS Med, vol.6, issue.9, p.1000133, 2009.

. Norberg, . Mn, .. S. Kezelman, and . Lim-howe, Primary prevention of cannabis use : a systematic review of randomized controlled trials, PLOS One, vol.8, issue.1, p.53187, 2013.

. Hughes, . Jr, . Peters, . En, . Callas et al., Attempts to stop or reduce marijuana use in non-treatment seekers. Drug Alcohol depend, vol.97, pp.180-184, 2008.

. Copersino, . Ml, . Boyd, . Sj, . Tashkin et al., Quitting among non-tretament-seeking marijuana users : reasons and changes in other substance use, Am J Addict, vol.15, pp.8-14, 2006.

. Copersino, . Ml, . Boyd, . Sj, . Tashkin et al., Sociodemographic characteristics of cannabis smokers and the experience of cannabis withdrawl, AM J Drug Alcohol Abuse, vol.36, issue.6, pp.311-319, 2010.

. E. Chauchard, . Levin, . Kh, . Copersino, . Ml et al., Motivations to quit cannabis use in an adult non-treatment sample : are they related to relapse ?, Addict Behav, vol.38, issue.9, pp.2422-2429, 2013.

. K. Marshall, A. L. Gowing, and L. Foll, Pharmacotherapies of cannabis dependence, 2014.

. E. Chauchard, . N. Goutaudier, . Heishman, . Sj, . Gorelick et al., Validation of the french version of the marijuana craving questionnaire (MCQ) generates a two factor model, AM J Drug Alcohol Abuse, issue.1, pp.82-89, 2015.

. Walker, . Dd, . Roffman, . Ra, . Picciano et al., The check-up : in-person, computerized and telephone adaptations of motivationnel enhancement treatment to elicit voluntary participation by the contemplator, Subst Abuse Treat Prev Policy, vol.2, issue.2, 2007.

. Stephens, . Rs, . Roffman, . Ra, . Fearer et al., The marijuana check-up : reaching users who are ambivalent does it change, Addiction, vol.99, pp.1323-1355, 2004.

. Palfai, . Tp, . R. Saitz, . M. Winter, . Brown et al., Web-based screening and brief intervention for student marijuana use in a university healthcenter : pilot study to examine the implementation of eCHECK-UP TO GO in different context, Addict Behav, vol.39, issue.9, pp.1346-52

. Stephens, . Rs, . Roffman, . Ra, . Fearer et al., The marijuana checkup : promoting change in ambivalent marijuana users, Addiction, vol.102, pp.947-957, 2007.

G. I. Danovitch and . Da, State of the art treatments of cannabis dependence, Psychiatr Clin North Am, vol.35, issue.2, pp.309-326, 2012.

D. Dios, . Ma, . Herman, . Ds, . Britton et al., Motivationel and mindfulness intervention for young adult female marijuana users, J Subst Abuse Treat, vol.42, issue.1, pp.56-64, 2012.

. Davis, . Ml, . Poers, . Mb, . P. Handelsman et al., Behavioral therapies for treatment-seeking cannabis users : a meta-analysis of randomized controlled trials, Eval Health Prof, vol.38, issue.1, pp.94-114, 2015.

. L. Dutra, . G. Stathopoulou, . Basden, . Sl, . Leyro et al., A metaanalytic review of psychosocial interventions for substance use disorders, Am J Psychiatry, vol.165, issue.2, pp.179-87, 2008.

. Stephens, . Rs, . Roffman, and C. L. Ra, Comparaison of extended versus brief treatment for marijuana use, J Of Consult and Clin psychol, vol.68, pp.898-908, 2000.

. Gates, . Pj, . P. Sabioni, .. J. Copeland, L. B. Foll et al., Psychosocial interventions for cannabis use disorder, 2016.

. Merchant, . Rc, . Baira, . Jr, and . T. Liu, Short-term efficacy of a brief intervention to reduce drug misuse and increase drug treatment utilization among adult emergency departments patients, Acad Emerg Med, issue.10, pp.172-80, 2015.

. R. Saitz, . Palfai, . Tp, . Cheng, A. Dm et al., Screening and brief intervention for drug use in primary care : the ASPIRE randomized clinical trial, JAMA, vol.312, issue.5, pp.502-515, 2014.

. E. Bernstein, . E. Edwards, . D. Dorfman, . T. Heeren, . C. Blim et al., Screening and brief intervention to reduce marijuana use among youth and young adults in a pediatric emergency department, Acad emerg Med, issue.11, pp.1174-1185, 2009.

. Woodruff, . Si, . K. Eisenberg, . Mccabe, . Ct et al., Evaluation of california's alcohol and drug screening and brief intervention project for emergency departments patients, West J Ermerg Med, vol.14, issue.3, pp.263-270, 2013.

A. R. Humeniuk, .. T. Babor, .. M. Souza-formigoni, and . Boerngen-de-lacerda,

R. W. Wing, . B. Mcree, . D. Newcombe, . H. Pal, . V. Ponyak et al., A randomized controlled trial of a brief intervention for illicit drugs linked to the alcohol smoking and substance involvement screening test (ASSIST) in clients recruited from primary health-care selting in four countries, J Subst Abuse Traet, vol.40, issue.5, pp.189-98, 2011.

. R. Woolard, . J. Baird, . R. Longabaugh, . T. Nirenberg, . Lee et al.,

B. , Project REDUCE : reducing alcohol and marijuana misuse : effects of a brief intervention in the emergency department, Addict Behav, vol.38, issue.3, pp.1732-1739, 2013.

. G. Gmel, . J. Gauma, . N. Bertholet, . J. Flückger, . Daeppen et al., Développement d'une plateforme web pour réduire l'usage de cannabis chez les jeunes qui fréquentent les centres d'éducation des adultes, Journal Of Sub Abus Treat. 107. Gognon, vol.11, pp.1-17, 2012.

. Tossmann, J. B. Hp, . Tensil, . Md, . P. Lang et al., A controlled trial of an internet-based intervention program for cannabis users, Cyberpsychol. Behav. Soc. Netw, vol.14, issue.11, pp.673-682, 2011.

. Schwartz, . Rp, . J. Gryczynski, . Mitchell, G. A. Sg et al., Computerized v. in-person brief intervention for drug misuse : a randomized clinical trial, Addiction, vol.109, issue.7, pp.1091-1098, 2014.

. A. De-oliviera-cristoff and . R. Boerngen-lacerda, Reducing substance involvement in college students a three-arm parallel group randomized controlled trial of a computer based intervention, Addict Behav, vol.45, pp.164-171, 2015.

. Tait, . Rj, . R. Spijkerman, and . H. Riper, Internet and computer based intervention for cannabis use : a meta-analysis. Drug and Alcohol Dependence, 2013.

. Budney, . Aj, . C. Stanger, . Tilford, . Jm et al., Computer-assisted behavioral therapy and contingency management for cannabis use disorders, Psychol Addict Behav, vol.29, issue.3, pp.501-511, 2015.

. J. Gryczynski, . O'grady, . Ke, . Mitchell, . Sg et al., Immediate vs delayed computerized brief intervention for illicit drug misuse, J of Add Med, 2016.

, Dronabinol for the treatment of cannabis dependence : a randomized, double blind, placebo-controlled trial. Drug Alcohol depend, Drug Alcohol Dep, vol.116, issue.1-3, pp.22-29, 2007.

. J. Johnston, A. N. Lintzeris, . Pj, . A. Suraer, . J. Booth et al.,

D. , Lithium carbonate in the management of cannabis withdrawl : a randomized placebo-controlled trial in an inpatient setting, Psychopharmacologie, vol.231, issue.24, 2014.

R. N. Simon and K. L. , Methylphenidrate in adults with ADHD and substance use disorders, Curr Pharm Des, vol.21, issue.33, pp.3359-66, 2015.

. Young, . Rm, . Gullo, . Mj, . Feeney et al., Development and validation of the cannabis refusal self-efficacy questionnaire (CRSEQ) in adult cannabis users in treatment, Drug Alcohol Depend, vol.125, issue.3, pp.244-51, 2012.

A. and O. V3, , vol.0

I. .. Clinique,

. Identité and . .. I?,

, Une ou deux fois: une ou deux fois au cours des 3 derniers mois. Mensuellement: une à trois fois en un mois. Hebdomadairement : une à quatre fois par semaine

, Chaque jour ou presque chaque jour: cinq à sept jours par semaine

, Carte réponse (ASSIST-questions 6-8)

J. Non,

. Oui,

. Oui,

P. Questionnaire, Problematic Use of Marijuana) : Yes No

, Have you ever skipped school classes or come late to school because of cannabis use ?

, Have you had a serious argument with family members because of your cannabis use ?

, Have you had a serious argument with friends because of your cannabis use ?

, Have you ever bought cannabis yourself ? 5. Do you have more and more problems in studying and understanding new information ?

, Have you ever used cannabis when you were alone ?

, Do you often feel desire of cannabis ?

, Have you ever spent so much money on cannabis that you had to resign from other things or activities ?