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The internalizing pathway to adolescent substance use disorders: mediation by ruminative reflection and ruminative
Molly Adrian1, Carolyn McCarty2, Kevin King3
1University of Washington, Department of Psychiatry and Behavioral Sciences, 6200 NE 74th St., Ste. 110, Seattle, WA 98115, USA.
Journal of Adolescence
|August 13, 2014
Summary
Adolescent rumination subtypes indirectly influence substance use disorders. Promoting self-reflection may prevent problematic substance use, while brooding is linked to increased marijuana use disorders.
Area of Science:
- Psychology
- Neuroscience
- Public Health
Background:
- Rumination, a repetitive negative thinking pattern, is linked to various mental health issues.
- Two subtypes of rumination, reflection and brooding, may have differential impacts on adolescent substance use.
- Understanding these relationships is crucial for developing targeted prevention and intervention strategies.
Purpose of the Study:
- To examine the relationship between reflective and brooding rumination subtypes and substance use and substance use disorders in adolescents.
- To investigate the indirect effects of depressive symptoms and rumination on the risk of developing substance use disorders.
- To determine if these pathways differ by sex.
Main Methods:
- Longitudinal study involving 521 adolescents in 8th and 9th grade.
- Assessment of depressive symptoms, conduct problems, and rumination subtypes (reflection, brooding).
- In 12th grade, self-reported substance use and diagnostic interviews for substance use disorders (DISC modules) were administered.
Main Results:
- Neither depression nor rumination directly predicted the presence of substance use.
- Brooding rumination was positively associated with Marijuana Use Disorders.
- Reflection rumination was negatively associated with both Marijuana and Alcohol Use Disorders.
- Indirect effects of depression through rumination subtypes were differentially related to substance use disorder risk.
Conclusions:
- Promoting self-reflection may be a viable strategy for preventing and intervening in the development of problematic substance use.
- Brooding rumination appears to be a risk factor for Marijuana Use Disorders.
- Reflection rumination may confer a protective effect against both Marijuana and Alcohol Use Disorders.
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