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Table 16.2. |
Percentage of students in grades 9–12 who reported using marijuana during the previous 30 days, by location, number of times, and selected student characteristics: 2009 |
| Anywhere | On school property | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Student characteristic | 0 times | 1 or 2 times | 3 to 39 times | 40 or more times | 0 times | 1 or 2 times | 3 to 39 times | 40 or more times | ||||||
| Total | 79.2 | 7.2 | 9.7 | 3.8 | 95.4 | 2.1 | 1.8 | 0.7 | ||||||
| Sex | ||||||||||||||
| Male | 76.6 | 6.8 | 10.8 | 5.8 | 93.7 | 2.6 | 2.6 | 1.1 | ||||||
| Female | 82.1 | 7.7 | 8.5 | 1.7 | 97.2 | 1.7 | 1.0 | 0.2 | ||||||
| Race/ethnicity1 | ||||||||||||||
| White | 79.3 | 7.4 | 9.6 | 3.7 | 96.2 | 1.9 | 1.4 | 0.5 | ||||||
| Black | 77.8 | 6.7 | 10.9 | 4.6 | 94.4 | 2.2 | 2.8 | 0.6 | ! | |||||
| Hispanic | 78.4 | 8.2 | 9.8 | 3.6 | 93.5 | 3.2 | 2.3 | 1.0 | ||||||
| Asian | 92.5 | 3.0 | 3.3 | 1.2 | ! | 98.0 | ‡ | 1.1 | ! | ‡ | ||||
| American Indian/ Alaska Native |
68.4 | 6.7 | ! | 19.6 | 5.3 | ! | 97.1 | ‡ | ‡ | # | ||||
| Pacific Islander/ Native Hawaiian |
75.2 | 5.0 | ! | 13.0 | 6.8 | ! | 91.0 | 4.4 | ! | 3.7 | ! | ‡ | ||
| Two or more races | 78.3 | 7.8 | 9.8 | 4.1 | ! | 94.6 | 1.4 | ! | 2.2 | ! | 1.8 | ! | ||
| Grade | ||||||||||||||
| 9th | 84.5 | 5.8 | 7.6 | 2.1 | 95.7 | 2.3 | 1.4 | 0.6 | ||||||
| 10th | 78.9 | 7.9 | 9.6 | 3.6 | 95.4 | 1.9 | 2.1 | 0.6 | ||||||
| 11th | 76.8 | 7.9 | 11.2 | 4.1 | 95.0 | 2.5 | 2.0 | 0.5 | ||||||
| 12th | 75.4 | 7.7 | 10.9 | 6.0 | 95.4 | 1.9 | 1.9 | 0.8 | ||||||
| # Rounds to zero. ! Interpret data with caution. ‡ Reporting standards not met. 1 Race categories exclude persons of Hispanic ethnicity. NOTE: “On school property” was not defined for survey respondents. The term “anywhere” is not used in the YRBS questionnaire; students are simply asked how many times during the past 30 days they used marijuana. Detail may not sum to totals because of rounding. 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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