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Figure 16.3.

Percentage of students in grades 9—12 who reported using marijuana at least one time during the previous 30 days, by location and race/ethnicity: 2009


Percentage of students in grades 9—12 who reported using marijuana at least one time during the previous 30 days, by location and race/ethnicity: 2009
! Interpret data with caution. The coefficient of variation (CV) for this estimate is 30 percent or greater.
NOTE: Race categories exclude persons of Hispanic ethnicity. "On school property" was not defined for survey respondents. The term "anywhere" was not used in the YRBS questionnaire; students were simply asked how many times during the past 30 days they used marijuana.
SOURCE: Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System (YRBSS), 2009.
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National Center for Education Statistics - http://nces.ed.gov
U.S. Department of Education