Figure 2.

Percent known for tobacco use variables recorded among cancer cases (n = 1,646,505) in 10 central cancer registries by coded state, 2011-2013. The counts of the tobacco use cigarette variable excluded 3 cases with blank values. The tobacco use other smoked variable excluded 3 blank values, the tobacco use smokeless variable excluded 3 blank values, and the tobacco use NOS variable excluded 4 blank values. *Smoked tobacco products other than cigarettes (eg, pipes, cigars, and kreteks). NOS indicates not otherwise specified.