Cannabis consumption initiation among adolescents: A longitudinal study

Anna Pérez, Carles Ariza, Francesca Sánchez-Martínez, Manel Nebot

Research output: Contribution to journalArticlepeer-review

Abstract

This study aimed to investigate factors related to initiation of cannabis consumption among adolescents. A questionnaire was administered to 2043 14-15-year-olds from Barcelona who were followed-up and re-interviewed after 15 months. A bivariate analysis was performed to identify the factors associated with consumption, and multivariate logistic regression was carried out to model cannabis initiation. Among matched students, 23.7% of non-users at baseline had started to consume 15 months later (23.0% boys and 24.2% girls). Among those who had reported occasional cannabis use, 30.3% reported consumption during the previous month at the follow-up survey. Factors associated with cannabis initiation among boys and girls were smoking, risky alcohol use and intention to consume cannabis. Among boys, other associated factors were frequenting bars or discotheques and not having organized activities in leisure time. Among girls, another risk factor for initiation was having cannabis-using friends. Cannabis initiation was facilitated by legal drug use, favorable attitudes and context-related variables. These results highlight the role of behavioral and contextual variables and support the importance of reinforcing social skills in preventive programs.

Original languageEnglish (US)
Pages (from-to)129-134
Number of pages6
JournalAddictive Behaviors
Volume35
Issue number2
DOIs
StatePublished - Feb 1 2010

Keywords

  • Adolescents
  • Cannabis use
  • Initiation
  • Longitudinal study
  • School-children

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Clinical Psychology
  • Toxicology
  • Psychiatry and Mental health

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