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Marijuana use and service utilization among adolescents 7 years post substance use treatment.


ABSTRACT: BACKGROUND:In an environment of increasingly liberal attitudes towards marijuana use and legalization, little is known about long-term trajectories of marijuana use among clinical samples of adolescents, and how these trajectories relate to health services utilization over time. METHODS:Latent growth curve analysis was used to identify distinct trajectories of marijuana use in a clinical sample of adolescents (N=391) over 7 years post substance use treatment in an integrated health system. We examined psychiatric problems and polysubstance use associated with the identified trajectory groups using general linear models. Nonlinear mixed-effects logistic regressions were used to examine associations between health services use and the trajectory groups. RESULTS:We identified three marijuana use trajectory groups: (1) Abstinent (n=117); (2) Low/Stable use (n=174); and (3) Increasing use (n=100). Average externalizing and anxiety/depression scores were significantly lower over time for the Abstinent group compared to the Increasing and Low/Stable groups. The Low Stable and the Increasing group had fewer psychiatric visits over time (p<0.05) and the Low/Stable group used more substance use treatment services over time compared with the Abstinent group (p<0.001). CONCLUSIONS:Treated adolescents showed distinct marijuana use patterns, one of which indicated a group of adolescents at risk of increased use over time. These individuals have greater psychiatric and polysubstance use over time, but may not be accessing needed services.

SUBMITTER: Campbell CI 

PROVIDER: S-EPMC5297892 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Marijuana use and service utilization among adolescents 7 years post substance use treatment.

Campbell Cynthia I CI   Sterling Stacy S   Chi Felicia W FW   Kline-Simon Andrea H AH  

Drug and alcohol dependence 20160823


<h4>Background</h4>In an environment of increasingly liberal attitudes towards marijuana use and legalization, little is known about long-term trajectories of marijuana use among clinical samples of adolescents, and how these trajectories relate to health services utilization over time.<h4>Methods</h4>Latent growth curve analysis was used to identify distinct trajectories of marijuana use in a clinical sample of adolescents (N=391) over 7 years post substance use treatment in an integrated healt  ...[more]

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