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Mediating processes between stress and problematic marijuana use.

Ariel Ketcherside1, Francesca M Filbey1

  • 1The Center for BrainHealth, School of Behavioral and Brain Sciences, The University of Texas at Dallas, 2200 W. Mockingbird Ln., Dallas, TX 75235, USA.

Addictive Behaviors
|February 10, 2015
PubMed
Summary
This summary is machine-generated.

Stress contributes to marijuana problems, with depression and anxiety acting as key mediators. Addressing these mental health issues is crucial for preventing cannabis use disorders in individuals experiencing stress.

Keywords:
AnxietyCannabisDepressionEarly life stressNegative affectPerceived stress

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Area of Science:

  • Psychology
  • Neuroscience
  • Public Health

Background:

  • Stress is widely linked to marijuana use.
  • The pathway from stress to marijuana-related problems remains under-explored.
  • This study investigates negative affect as a mediator between stress and marijuana use.

Purpose of the Study:

  • To examine whether negative affect (depression and anxiety) mediates the relationship between stress (early life and perceived) and problematic marijuana use.
  • To identify specific mediators in the stress-marijuana problem pathway.

Main Methods:

  • 157 current heavy marijuana users participated.
  • Mediation models were tested using the Marijuana Problem Scale, Early Life Stress Questionnaire, Perceived Stress Scale, Beck Depression Inventory, and Beck Anxiety Inventory.
  • Statistical analyses were performed using R's 'Mediation' package.

Main Results:

  • Depression and anxiety scores significantly mediated the link between perceived stress and problematic marijuana use.
  • Depression scores significantly mediated the link between early life stress and problematic marijuana use.
  • All measured stress and marijuana use variables were significant as independent and dependent variables.

Conclusions:

  • Depression mediates both early life stress and perceived stress in relation to problematic marijuana use.
  • Anxiety mediates perceived stress in relation to problematic marijuana use.
  • Interventions targeting depression and anxiety are vital for preventing cannabis use disorders in stressed populations.