Chunk #21 — 3. Results — 3.3 Probability of transitioning to substance dependence among substance users — 3.3.3 Racial differences in transition to cannabis dependence

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Probability and predictors of transition from first use to dependence on nicotine, alcohol, cannabis, and cocaine: results of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC).

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Among cannabis users, 8.2% of Whites, 9.7% of Blacks, 10.0% of Hispanics, 15.9% of NH/PI, and 14.8% of AI/AN (log rank test= 17.57, p<0.01) transitioned to dependence at some time in their life. Half of the cases of cannabis dependence among Whites, Blacks, Hispanics, and AI/AN developed approximately 5 years after the first use. NH/PI developed cannabis dependence approximately 10 years after the first use (Figure 2).