* Current smokers have smoked at least 100 cigarettes in their lifetime and currently smoke every day or some days. Unknowns were not included in the denominators when calculating percentages.
† Race refers to persons who indicated only a single race group and are not of Hispanic ethnicity. Persons of Hispanic ethnicity might be of any race or combination of races.
§ Estimates are age adjusted using the projected 2000 U.S. population as the standard population and using four age groups: 18--24 years, 25--44 years, 45--64 years, and ≥65 years. Estimates are based on household interviews of a sample of the civilian, noninstitutionalized U.S. population.
¶ 95% confidence interval.
** All adults includes other races not shown separately and multiple races.