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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Addiction. 2012 Apr 17;107(7):1221–1233. doi: 10.1111/j.1360-0443.2012.03837.x

FIGURE 2.

FIGURE 2

Prevalence of cannabis use, cigarette smoking, cannabis use disorders (past 12 months) and nicotine dependence (based on the Fagerstrom Test of Nicotine Dependence (130)) in those aged 12 and older from the 2009 National Household Survey of Drug Use and Health (NSDUH)(5). For instance, 57.9% of cigarette smokers (including former smokers) report ever using cannabis compared with 11.9% of those who have never smoked cigarettes. Nicotine dependence based on Fagerstrom Test for Nicotine Dependence. Both cannabis use disorder (abuse/dependence) and nicotine dependence are recent.