* 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.