Figure 1.

Quit attempts of 1 day or longer in the past year, ≥ 30 days, and ≥ 6 month among current cigarette smokers and cigarette and smokeless tobacco users (Tobacco Use Supplement to the Current Population Survey 2010–2011, N= 27,435)^a

^aP-value for difference in proportions between cigarette and cigarette and smokeless users for: quit attempt ≥ 1 day, p < 0.001; ≥ 30 days, p=0.1, ≥ 6 months, p=0.09