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International Journal of Adolescent Medicine and Health

Editor-in-Chief: Merrick, Joav

Editorial Board Member: Birch, Diana ML / Blum, Robert W. / Furniss, Tilman / Greydanus, MD, Dr. HC (Athens), Donald E. / Hardoff, Daniel / Kerr, Mike / Levy, Howard B / Morad, Mohammed / Omar, Hatim A. / de Paul, Joaquin / Rydelius, Per-Anders / Shek, Daniel T.L. / Sher, Leo / Silber, Tomas J. / Towns, Susan / Urkin, Jacob / Verhofstadt-Deneve, Leni / Zeltzer, Lonnie

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Cannabis use, addiction risk and functional impairment in youth seeking treatment for primary mood or anxiety concerns

1 / Evelyn Vingilis2 / Erin Ross3 / Christeen Forster4 / Carolyn Summerhurst4

1Rea Chair and Associate Professor, Schulich School of Medicine and Dentistry, University of Western Ontario, FEMAP, 860 Richmond Street, London, ON, N6A 3H8, Canada

2Department of Family Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada

3London Health Sciences Centre, Trauma Program, London, Ontario, Canada

4London Health Sciences Centre, Lawson Health Research Institute, London, Ontario, Canada

Corresponding author: Elizabeth Osuch, Rea Chair and Associate Professor, Schulich School of Medicine and Dentistry, University of Western Ontario, FEMAP, 860 Richmond Street, London, ON, N6A 3H8, Canada

Citation Information: International Journal of Adolescent Medicine and Health. Volume 25, Issue 3, Pages 309–314, ISSN (Online) 2191-0278, ISSN (Print) 0334-0139, DOI: 10.1515/ijamh-2013-0067, July 2013

Publication History

Received:
2012-08-05
Accepted:
2012-09-20
Published Online:
2013-07-10

Abstract

Cannabis use is common in youth and there is evidence that the co-occurrence of cannabis use (and other substance use) with mental illnesses predicts poorer outcomes, including suicide. The main purposes of this study were to: (i) identify rates of cannabis use and substance use disorder risk, and (ii) predictors for cannabis use among youth seeking help for mood and/or anxiety concerns in a sample population prescreened to exclude primary substance use disorders; and (iii) to determine if there was an association between cannabis use and functional impairment in this sample. We investigated substance use risk as well as hypothesized predictors of cannabis use and functional impairment including demographic characteristics, socioeconomic status, trait coping style, age of onset of several risk behaviors, current use of common addictive substances, level of functional impairment, and current psychiatric symptom severity. Results showed that approximately half of the participants were at moderate to high risk for a substance use disorder, and just over 4% appeared to have a primary substance use disorder. They also suggested an association between cannabis use and gender (male), age of first cannabis use, recent cigarette use, and functional impairment. Independently, functional impairment was predicted by inattentive coping style, depression severity, and total cannabis use score. These results confirm a high risk for addictive disorders and an association between cannabis use and functional impairment in this sample. These results support the need for substance use treatment programs to optimize care wherever youth with primary mood and/or anxiety concerns are seen.

Keywords: adolescent; anxiety disorders; cannabis; mood disorders; substance-related disorders

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