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Auteur L. D. JOHNSTON |
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Groupe Pompidou ; L. D. JOHNSTON ; F. DRIESSEN ; A. KOKKEVI | Strasbourg : Conseil de l'Europe | 1994Cette enquête a été réalisée auprès de jeunes scolarisés des milieux ruraux et urbains dans 5 pays européens (Grèce, France, Pays-Bas, Suède et Portugal) et aux Etats-Unis, à partir d'un questionnaire anonyme. Des questions obligatoires sur l'ut[...]Article : Périodique
S. EMERY ; M. A. WAKEFIELD ; Y. M. TERRY-McELRATH ; SAFFER H. ; SZCZYPKA G. ; OMALLEY P. M. ; L. D. JOHNSTON ; F. J. CHALOUPKA ; B. FLAY |Background: Recent state budget crises have dramatically reduced funding for state-sponsored antitobacco media campaigns. If campaigns are associated with reduced smoking, such cuts could result in long-term increases in state health care costs.[...]Livre
J. G. BACHMAN ; P. M. O'MALLEY ; J. E. SCHULENBERG ; L. D. JOHNSTON ; P. FREEDMAN-DOAN ; MESSERSMITH E. E. | New York : Lawrence Erlbaum Associates | 2007ENGLISH : Does success in school protect teenagers from drug use? Does drug use impair scholastic success? This book tackles a key issue in adolescent development and health - the education-drug use connection. The authors examine the links an[...]Article : Périodique
J. DELVA ; J. M. Jr. WALLACE ; P. M. O'MALLEY ; J. G. BACHMAN ; L. D. JOHNSTON ; J. E. SCHULENBERG |ENGLISH : Objectives. We compared trends in and correlates of marijuana use, cocaine use, and heavy alcohol use for adolescents of Mexican American, Puerto Rican, Cuban, and other Latin American heritage in the United States Methods. We used/e[...]Article : Périodique
K. M. KEYES ; J. E. SCHULENBERG ; P. M. O'MALLEY ; L. D. JOHNSTON ; J. G. BACHMAN ; G. LI ; D. HASIN |AIMS: Studies of the relationship between social norms and marijuana use have generally focused on individual attitudes, leaving the influence of larger societal-level attitudes unknown. The present study investigated societal-level disapproval [...]Périodique
J. E. SCHULENBERG ; A. C. MERLINE ; L. D. JOHNSTON ; P. M. O'MALLEY ; J. G. BACHMAN ; V. B. LAETZ | 2005ENGLISH : The purposes of this study were to identify trajectory groups of frequent marijuana use during emerging adulthood ; distinguish among trajectory groups according to demographic and lifestyle characteristics ; and examine how the traj[...]Article : Périodique
Adolescents who vape use portable devices with a heating element to aerosolize a liquid that they inhale. Nicotine use is most common, but tetrahydrocannabinol (the principal psychoactive constituent of marijuana) can also be vaped. Marijuana va[...]Article : Périodique
BACKGROUND AND AIMS: Long-term frequent marijuana use is associated with significant negative outcomes, yet little is known about the longitudinal course of marijuana use among those who start frequent use during adolescence. Objectives are (a) [...]