Article ID Journal Published Year Pages File Type
910495 Journal of Behavior Therapy and Experimental Psychiatry 2012 9 Pages PDF
Abstract

Background and objectivesMarijuana remains the most commonly used illicit substance. Marijuana craving, anxiety, and peer marijuana use are thought to play important roles in the etiology and maintenance of marijuana use. The present study aimed to identify patterns between marijuana use and these affective and situational risk factors in the natural environment.MethodsThe sample consisted of 49 current marijuana users (38.8% female), 63.2% of whom evinced a current cannabis use disorder. Ecological momentary assessment was used to collect multiple daily ratings of marijuana craving, state anxiety, and peer marijuana use over two weeks. Mixed effects linear models were used to examine within- and between-day antecedents, correlates, and consequences of marijuana use.ResultsBetween-day analyses indicated that marijuana use days were associated with higher marijuana craving but lower state anxiety. Within-day analyses confirmed that marijuana craving was higher prior to marijuana use and lower following use. Anxiety was related to marijuana craving. Although anxiety was somewhat higher prior to marijuana use, it did not decrease significantly following use. The vast majority of marijuana use occurred when others were also using marijuana.LimitationsThe sample was comprised of college students, a group at particular risk for marijuana use and use-related problems. Future work is necessary to determine whether results generalize to other populations.ConclusionsThese data support the contention that marijuana craving, anxiety, and peer use play important roles in the maintenance of marijuana use.

► Marijuana craving was higher prior to marijuana use and lower following use. ► Anxiety was related to marijuana craving. ► Although anxiety was somewhat higher prior to marijuana use, it did not decrease significantly following use. ► The majority of marijuana use occurred when others were also using marijuana.

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