| Notes: | U.S. total includes territories. Data represent adults who reported a quit attempt, which is defined as having quit smoking for 1 day or longer within the past 12 months (because trying to stop smoking). Data are among people who report smoking every day or some days. Data based on the Behavioral Risk Factor Surveillance System, an ongoing, state-based, random-digit-dialed telephone survey of noninstitutionalized civilian adults aged 18 years and older. Percentages are weighted to reflect population characteristics. |