Crack is smoked by placing it at the end of the pipe; a flame held close to it produces vapor, which is then inhaled by the smoker.

In 2009, underage current alcohol use rates were similar in small metropolitan areas (28.5 percent), large metropolitan areas (26.7 percent), and nonmetropolitan areas (26.2 percent).

The past year prevalence of MDE was higher among adult females than among adult males (8.1 vs. 4.6 percent). Among women, past year MDE rates were higher in the younger age groups (12.1 percent for 18 to 25 year olds, 8.8 percent for 26 to 49 year olds) compared with those 50 or older (6.0 percent).

The use of smokeless tobacco in the past month dropped from 4.3 percent in 2008 to 2.8 percent in 2009 among persons aged 18 or older who had not completed high school. The rates remained steady among other educational attainment categories; in 2009, the rates were 4.6 percent for those who completed high school but did not attend college and 3.8 percent for those who attended some college. The prevalence among college graduates, 2.5 percent, was lower than among those who had completed high school but had not attended college. Among high school graduates aged 18 to 25 who had attended some college, the use of smokeless tobacco increased from 4.6 percent in 2008 to 6.0 percent in 2009, while the use declined for those 26 or older with less than a high school education (4.0 to 2.2 percent)