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Pedersen ER, Miles JN, Osilla KC, et al. The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents. J Drug Issues. 2015;45(2):151-165doi: 10.1177/0022042614559843.
Pedersen, E. R., Miles, J. N., Osilla, K. C., Ewing, B. A., Hunter, S. B., & D'Amico, E. J. (2015). The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents. Journal of drug issues, 45(2), 151-165. https://doi.org/10.1177/0022042614559843
Pedersen, Eric R, et al. "The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents." Journal of drug issues vol. 45,2 (2015): 151-165. doi: https://doi.org/10.1177/0022042614559843
Pedersen ER, Miles JN, Osilla KC, Ewing BA, Hunter SB, D'Amico EJ. The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents. J Drug Issues. 2015 Apr 01;45(2):151-165. doi: 10.1177/0022042614559843. PMID: 25977590; PMCID: PMC4428682.
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J Drug Issues. 2015 Apr 01;45(2):151-165. doi: 10.1177/0022042614559843.

The effects of mental health symptoms and marijuana expectancies on marijuana use and consequences among at-risk adolescents.

Journal of drug issues

Eric R Pedersen, Jeremy N V Miles, Karen Chan Osilla, Brett A Ewing, Sarah B Hunter, Elizabeth J D'Amico

Affiliations

  1. RAND Corporation, Santa Monica, California.

PMID: 25977590 PMCID: PMC4428682 DOI: 10.1177/0022042614559843

Abstract

Based on expectancy theory, adolescents at risk for mental health symptoms, such as those involved in the juvenile court system, may use marijuana due to the belief that use will attenuate anxiety and depressive symptoms. In a diverse sample of youth involved in the Santa Barbara Teen Court system (N = 193), we examined the association between mental health symptoms and marijuana expectancies on marijuana use and consequences. In general, stronger positive expectancies and weaker negative expectancies were both associated with increased marijuana use. Youth that reported more symptoms of both anxiety and depression and stronger positive expectancies for marijuana also reported more consequences. We found that youth experiencing the greatest level of consequences from marijuana were those that reported more depressive symptoms and stronger positive expectancies for marijuana. Findings suggest that these symptoms, combined with strong positive expectancies about marijuana's effects, have implications for consequences among at-risk youth.

Keywords: at-risk youth; depression; expectancies; marijuana; mental health

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