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Indicators of School Crime and Safety: 2005

Indicator 16:
Studentsí Use of Marijuana on School Property and Anywhere


Table 16.1. Percentage of students in grades 9–12 who reported using marijuana during the previous 30 days, by location and selected student and school characteristics: Selected years, 1993–2003
Student or school characteristic Anywhere On school property
1993 1995 1997 1999 2001 2003 1993 1995 1997 1999 2001 2003
 
    Total 17.7 25.3 26.2 26.7 23.9 22.4 5.6 8.8 7.0 7.2 5.4 5.8
 
Sex
  Male 20.6 28.4 30.2 30.8 27.9 25.1 7.8 11.9 9.0 10.1 8.0 7.6
  Female 14.6 22.0 21.4 22.6 20.0 19.3 3.3 5.5 4.6 4.4 2.9 3.7
 
Race/ethnicity1
  White 17.3 24.5 25.0 26.4 24.4 21.7 5.0 7.1 5.8 6.5 4.8 4.5
  Black 18.6 28.6 28.2 26.4 21.8 23.9 7.3 12.3 9.1 7.2 6.1 6.6
  Hispanic 19.4 27.8 28.6 28.2 24.6 23.8 7.5 12.9 10.4 10.7 7.4 8.2
  Asian (2) (2) (2) 13.5 10.9 9.5 (2) (2) (2) 4.3 4.7 4.3
  American Indian 17.4 28.0 44.2 36.2 36.4 32.8 4.2 10.1 16.2 8.9 21.5 11.4
  Pacific Islander (2) (2) (2) 33.8 21.9 28.1 (2) (2) (2) 11.0 6.4 9.1
  More than one race (2) (2) (2) 29.1 31.8 28.3 (2) (2) (2) 7.8 5.2 11.4
 
Grade
  9th 13.2 20.9 23.6 21.7 19.4 18.5 4.4 8.7 8.1 6.6 5.5 6.6
  10th 16.5 25.5 25.0 27.8 24.8 22.0 6.5 9.8 6.4 7.6 5.8 5.2
  11th 18.4 27.6 29.3 26.7 25.8 24.1 6.5 8.6 7.9 7.0 5.1 5.6
  12th 22.0 26.2 26.6 31.5 26.9 25.8 5.1 8.0 5.7 7.3 4.9 5.0
 
Urbanicity
  Urban 26.8 27.5 25.6 23.4 8.0 8.5 6.8 6.8
  Suburban 27.0 26.1 22.5 22.8 7.0 6.4 4.7 6.0
  Rural 21.9 28.0 26.2 19.9 4.9 8.1 5.3 3.9
— Not available.
1 American Indian includes Alaska Native, Black includes African American, Pacific Islander includes Native Hawaiian, and Hispanic includes Latino. Respondents who identified themselves as being of Hispanic origin are classified as Hispanic, regardless of their race.
2 The response categories for race/ethnicity changed in 1999 making comparisons of some categories with earlier years problematic. In 1993, 1995, and 1997, Asian and Pacific Islander students were not categorized separately and students were not given the option of choosing more than one race.
NOTE: "On school property" was not defined for survey respondents. The term "anywhere" is not used in the YRBS questionnaire. Rather, students are simply asked how many times during the past 30 days they used marijuana. Population sizes from Digest of Education Statistics, 2003 (NCES 2005-025) for students in grades 9–12 are 13,093,000 students in 1993; 13,697,000 in 1995; 14,272,000 in 1997; 14,623,000 in 1999; 15,058,000 in 2001; and 15,577,000 (projected) in 2003.
SOURCE: Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System (YRBSS), "Youth Risk Behavior Survey" (YRBS), selected years, 1993–2003.



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