Multiple risk factor model predicting cannabis use and use disorders: A longitudinal study

Hayatbakhsh, Mohammad.R., Najman, Jake.M., Bor, William, O'Callaghan, Michael.J. and Williams, Gail.M. (2009) Multiple risk factor model predicting cannabis use and use disorders: A longitudinal study. The American Journal of Drug and Alcohol Abuse, 35 6: 399-407. doi:10.3109/00952990903353415

Author Hayatbakhsh, Mohammad.R.
Najman, Jake.M.
Bor, William
O'Callaghan, Michael.J.
Williams, Gail.M.
Title Multiple risk factor model predicting cannabis use and use disorders: A longitudinal study
Journal name The American Journal of Drug and Alcohol Abuse   Check publisher's open access policy
ISSN 0095-2990
Publication date 2009-11-01
Year available 2009
Sub-type Article (original research)
DOI 10.3109/00952990903353415
Volume 35
Issue 6
Start page 399
End page 407
Total pages 9
Editor Thomas Kosten
Place of publication United States
Publisher Informa Healthcare
Language eng
Subject 920401 Behaviour and Health
179999 Psychology and Cognitive Sciences not elsewhere classified
Formatted abstract
Identification of factors associated with the initiation and continuation of cannabis use is important for any preventive work. Objectives: This study aimed to examine the early life course predictors of cannabis use and the development of cannabis use disorder in early adulthood.

Data from Mater Hospital and University of Queensland Study of Pregnancy (MUSP), a population-based prospective birth cohort study. Participants were a cohort of 2,493 young adults who completed the life-time version of the Composite International Diagnostic Interview-computerized version (CIDI-Auto) at the 21-year follow-up, and for whom data were available from previous follow-ups. Ever use and age at first use of cannabis was assessed via self-report, and cannabis use disorder was measured based on Diagnostic and Statistical Manual version IV (DSM-IV) diagnostic criteria. Life course predictors were obtained between the child's birth and the 14-year follow-up.

Of 2,493 young adults, 51.4% reported having ever used cannabis, and 21.1% of young adults were classified as having ever had a cannabis use disorder. Child's gender, changes in maternal marital status, maternal smoking, child school performance, childhood sexual abuse, early adolescence smoking and alcohol consumption, and adolescent aggression/delinquency were strongly associated with young adult cannabis use and use disorder. Exposure to multiple risk factors was associated with greater risk of outcomes.

There are a number of strong predictors of cannabis use identified in this study. They suggest that the social context within which children are reared has a major influence on cannabis use and use disorders.
Keyword Cannabis
Cannabis use disorder
Young adult
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Tue, 13 Apr 2010, 22:04:14 EST by Barry Peacock on behalf of School of Public Health