Chunk #9 — 2.0. METHODS — 2.3. Primary outcome data: NESARC — 2.3.1. NESARC outcome variables: non-medical marijuana use, abuse, and dependence

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Medical marijuana laws in 50 states: investigating the relationship between state legalization of medical marijuana and marijuana use, abuse and dependence.

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of the World Health Organization/National Institutes of Health International Study on Reliability and Validity (Chatterji et al., 1997; Cottler et al., 1997; Grant et al., 1995; Hasin et al., 1997; Nelson et al., 1999; Pull et al., 1997; Ustun et al., 1997; Vrasti et al., 1998). Using the timeframe of the last 12 months, the outcome variables were defined as marijuana use, marijuana use disorder (meeting criteria for abuse or dependence). We then examined the outcome of marijuana abuse/dependence among the subset of current marijuana users.