More examples in Charts/Relative Value Charts
Marijuana Use Among High School Students Relative Value Chart Example
You can use a relative value chart like this to express the total frequency of marijuana use among high school students by year and grade level, and also compare the frequencies by sex.
Text in this example:
Marijuana Use among High School Students, by Sex, Year, and Grade Level:
United States, 1991, 1993, 2003, and 2005 Year and Grade Level Grades 9-10
in 1991 Grades 11-12
in 1993 Grades 9-10
in 2003 Grades 11-12
in 2005 Percent 0.0 10.0 20.0 30.0 40.0 50.0 Male Female 13.0 23.6 22.5 24.7 9.9 16.7 17.7 19.0 Grades 9-10
in 2005 Male 13 23.6 22.5 24.7 Female 9.9 16.7 17.7 19 Source: U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES, Center for Disease Control and Prevention, National Center for Health Statistics, Health, United States, 2006
United States, 1991, 1993, 2003, and 2005 Year and Grade Level Grades 9-10
in 1991 Grades 11-12
in 1993 Grades 9-10
in 2003 Grades 11-12
in 2005 Percent 0.0 10.0 20.0 30.0 40.0 50.0 Male Female 13.0 23.6 22.5 24.7 9.9 16.7 17.7 19.0 Grades 9-10
in 2005 Male 13 23.6 22.5 24.7 Female 9.9 16.7 17.7 19 Source: U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES, Center for Disease Control and Prevention, National Center for Health Statistics, Health, United States, 2006