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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Addict Behav. 2011 Oct 13;37(2):221–224. doi: 10.1016/j.addbeh.2011.10.001

Figure 1.

Figure 1

Lifetime Prevalence, Current Prevalence, and Initiation of Hookah Use, by Wave. N = 483 for lifetime prevalence and hookah initiation. Sample sizes for current prevalence vary by wave (see Table 1).