Chunk #19 — 3. Results — 3.3 Probability of transitioning to substance dependence among substance users — 3.3.1 Racial differences in transition to nicotine 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 nicotine users, 64.1% of Whites, 70.7% of Blacks, 64.7% of Hispanics, 64.5% of NH/PI, and 85.1% of AI/AN transitioned to dependence at some time in their life (log rank test= 41.53, p<0.01). Half of the cases of nicotine dependence among Whites, Blacks, Hispanics, NH/PI and AI/AN developed approximately 23, 30, 26, 18 and 24 years after use onset, respectively (Figure 2).