FIGURE 1-3 Cessation rate among adult EVER smokers selected years from 1965 to 2005 (all years for which NHIS data on annual cessation prevalence are available are included). Solid lines represent changes in cessation prevalence between consecutive years. Dotted lines represent approximate changes in cessation prevalence between nonconsecutive years.
SOURCES: (TIPS 2005a; CDC 2003, 2004b, 2005a,b, 2006b).