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| Table 194. | Percentage of students in grades 9 through 12 who reported experience with drugs and violence on school property, by race/ethnicity, grade, and sex: Selected years, 1997 through 2011 |
| [Standard errors appear in parentheses] | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type of violence or drug-related behavior, and sex | 1997 total | 2005 total | 2009 total | 2011 | ||||||||||||||||||||||||||||||||||||
| Total | Race/ethnicity | Grade | ||||||||||||||||||||||||||||||||||||||
| White | Black | Hispanic | Asian | Native Hawaiian/ Pacific Islander |
American Indian/ Alaska Native |
Two or more races | 9th | 10th | 11th | 12th | ||||||||||||||||||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |||||||||||||||||||||||||
| Felt too unsafe to go to school1 |
4.0 | (0.6) | 6.0 | (0.61) | 5.0 | (0.34) | 5.9 | (0.44) | 4.4 | (0.43) | 6.7 | (0.80) | 9.1 | (0.72) | 6.2 | (1.00) | 7.6 | ! | (2.52) | 8.8 | (1.82) | 7.2 | (1.28) | 5.8 | (0.62) | 6.8 | (0.73) | 5.2 | (0.55) | 5.5 | (0.56) | |||||||||
| Male | 4.1 | (0.8) | 5.7 | (0.56) | 4.6 | (0.43) | 5.9 | (0.47) | 4.0 | (0.45) | 8.0 | (0.91) | 8.5 | (1.01) | 7.8 | (1.54) | ‡ | (†) | 9.0 | (1.98) | 6.2 | ! | (1.99) | 5.4 | (0.64) | 6.4 | (0.93) | 5.3 | (0.65) | 5.9 | (0.72) | |||||||||
| Female | 3.9 | (0.7) | 6.3 | (0.77) | 5.3 | (0.38) | 6.0 | (0.54) | 4.8 | (0.56) | 5.3 | (1.05) | 9.6 | (1.02) | 4.3 | ! | (1.79) | ‡ | (†) | 8.5 | (2.22) | 8.1 | (1.76) | 6.3 | (0.81) | 7.1 | (0.89) | 5.1 | (0.73) | 5.2 | (0.77) | |||||||||
| Carried a weapon on school property1,2 |
8.5 | (1.5) | 6.5 | (0.46) | 5.6 | (0.32) | 5.4 | (0.35) | 5.1 | (0.40) | 4.6 | (0.67) | 5.8 | (0.70) | 4.3 | ! | (1.66) | 10.9 | ! | (3.73) | 7.6 | (1.62) | 7.5 | (1.87) | 4.8 | (0.50) | 6.1 | (0.72) | 4.7 | (0.44) | 5.6 | (0.51) | ||||||||
| Male | 12.5 | (2.9) | 10.2 | (0.82) | 8.0 | (0.52) | 8.2 | (0.59) | 7.8 | (0.68) | 6.7 | (1.07) | 8.8 | (1.23) | 7.8 | ! | (3.09) | ‡ | (†) | 10.5 | (1.59) | 12.0 | (3.35) | 7.4 | (0.95) | 9.4 | (1.27) | 7.5 | (0.71) | 8.2 | (0.95) | |||||||||
| Female | 3.7 | (0.7) | 2.6 | (0.31) | 2.9 | (0.24) | 2.3 | (0.19) | 2.3 | (0.24) | 2.5 | (0.54) | 2.6 | (0.48) | ‡ | (†) | ‡ | (†) | ‡ | (†) | 3.0 | ! | (0.91) | 2.1 | (0.36) | 2.5 | (0.41) | 1.8 | (0.33) | 2.8 | (0.45) | |||||||||
| Threatened or injured with a weapon on school property3 |
7.4 | (0.9) | 7.9 | (0.36) | 7.7 | (0.37) | 7.4 | (0.31) | 6.2 | (0.35) | 8.9 | (0.64) | 9.2 | (0.81) | 7.0 | (0.99) | 11.3 | (3.23) | 8.2 | (1.52) | 9.9 | (1.35) | 8.3 | (0.63) | 7.7 | (0.58) | 7.3 | (0.61) | 5.9 | (0.45) | ||||||||||
| Male | 10.2 | (1.4) | 9.7 | (0.41) | 9.6 | (0.59) | 9.5 | (0.39) | 8.0 | (0.40) | 11.2 | (1.34) | 12.1 | (1.28) | 8.0 | (1.34) | ‡ | (†) | 9.7 | (1.79) | 11.3 | (2.29) | 10.3 | (0.87) | 9.7 | (0.87) | 9.2 | (0.90) | 8.3 | (0.68) | ||||||||||
| Female | 4.0 | (0.6) | 6.1 | (0.41) | 5.5 | (0.37) | 5.2 | (0.37) | 4.2 | (0.48) | 6.6 | (0.88) | 6.0 | (0.61) | 5.8 | ! | (2.12) | ‡ | (†) | 6.6 | (1.62) | 8.5 | (1.83) | 6.2 | (0.69) | 5.3 | (0.63) | 5.3 | (0.62) | 3.4 | (0.57) | |||||||||
| Engaged in a physical fight on school property3 |
14.8 | (1.3) | 13.6 | (0.56) | 11.1 | (0.54) | 12.0 | (0.39) | 9.9 | (0.51) | 16.4 | (0.89) | 14.4 | (0.79) | 6.2 | (1.06) | 20.9 | (4.41) | 12.0 | (1.77) | 16.6 | (1.41) | 16.2 | (0.77) | 12.8 | (0.86) | 9.2 | (0.55) | 8.8 | (0.69) | ||||||||||
| Male | 20.0 | (2.0) | 18.2 | (0.92) | 15.1 | (1.05) | 16.0 | (0.58) | 13.8 | (0.80) | 19.6 | (1.33) | 19.4 | (1.01) | 10.0 | (1.88) | ‡ | (†) | 16.0 | (3.70) | 19.0 | (2.84) | 21.7 | (1.21) | 17.0 | (1.23) | 12.3 | (0.97) | 11.5 | (1.21) | ||||||||||
| Female | 8.6 | (1.5) | 8.8 | (0.51) | 6.7 | (0.42) | 7.8 | (0.43) | 5.6 | (0.54) | 13.1 | (1.29) | 9.0 | (0.69) | ‡ | (†) | ‡ | (†) | 7.7 | (1.60) | 14.4 | (2.02) | 10.4 | (0.82) | 8.0 | (0.92) | 6.0 | (0.75) | 6.1 | (0.69) | ||||||||||
| Cigarette use on school property1 |
14.6 | (1.5) | 6.8 | (0.41) | 5.1 | (0.31) | 4.9 | (0.25) | 5.4 | (0.41) | 3.0 | (0.55) | 4.4 | (0.44) | 2.0 | ! | (0.80) | 9.8 | ! | (3.89) | 8.4 | (1.48) | 6.7 | (1.27) | 2.8 | (0.33) | 4.4 | (0.49) | 6.0 | (0.55) | 6.6 | (0.56) | ||||||||
| Male | 15.9 | (1.7) | 7.4 | (0.41) | 6.2 | (0.48) | 5.7 | (0.38) | 5.8 | (0.59) | 4.3 | (0.72) | 5.5 | (0.63) | 3.0 | ! | (1.34) | ‡ | (†) | 9.4 | (1.62) | 8.0 | (2.06) | 3.4 | (0.49) | 4.6 | (0.71) | 6.7 | (1.01) | 8.5 | (0.70) | |||||||||
| Female | 13.0 | (2.2) | 6.2 | (0.61) | 4.0 | (0.32) | 4.1 | (0.34) | 5.0 | (0.54) | 1.8 | ! | (0.72) | 3.1 | (0.48) | ‡ | (†) | ‡ | (†) | 7.4 | ! | (2.98) | 5.5 | (1.31) | 2.2 | (0.38) | 4.2 | (0.61) | 5.2 | (0.70) | 4.7 | (0.94) | ||||||||
| Smokeless tobacco use on school property4 |
5.1 | (1.4) | 5.0 | (0.61) | 5.5 | (0.59) | 4.8 | (0.46) | 5.6 | (0.64) | 2.0 | (0.44) | 3.7 | (0.54) | 3.9 | ! | (1.32) | 8.2 | ! | (2.76) | 9.7 | (1.25) | 5.9 | ! | (2.09) | 3.8 | (0.66) | 4.5 | (0.57) | 5.0 | (0.57) | 5.7 | (0.64) | |||||||
| Male | 9.0 | (2.5) | 9.2 | (1.12) | 9.4 | (1.16) | 8.4 | (0.84) | 10.1 | (1.24) | 3.5 | (0.77) | 5.7 | (0.77) | 7.2 | ! | (2.43) | ‡ | (†) | 15.4 | (1.87) | 11.0 | ! | (4.00) | 6.4 | (1.21) | 7.8 | (1.00) | 9.1 | (1.06) | 10.5 | (1.20) | ||||||||
| Female | ‡ | (†) | 0.8 | (0.15) | 1.1 | (0.16) | 0.9 | (0.15) | 0.8 | (0.20) | ‡ | (†) | 1.5 | ! | (0.53) | # | (†) | ‡ | (†) | 3.5 | ! | (1.39) | ‡ | (†) | 0.9 | ! | (0.33) | 1.0 | ! | (0.32) | 0.8 | ! | (0.31) | 0.7 | ! | (0.31) | ||||
| Alcohol use on school property1 |
5.6 | (0.7) | 4.3 | (0.31) | 4.5 | (0.29) | 5.1 | (0.33) | 4.0 | (0.38) | 5.2 | (0.50) | 7.3 | (0.68) | 3.5 | ! | (1.21) | 8.4 | ! | (3.61) | 20.9 | (4.15) | 5.8 | (1.32) | 5.4 | (0.56) | 4.4 | (0.51) | 5.2 | (0.56) | 5.1 | (0.48) | ||||||||
| Male | 7.2 | (1.3) | 5.3 | (0.41) | 5.3 | (0.41) | 5.4 | (0.43) | 4.2 | (0.48) | 6.5 | (0.78) | 7.9 | (0.99) | 3.6 | ! | (1.34) | ‡ | (†) | 17.7 | (4.71) | 7.1 | ! | (2.19) | 5.7 | (0.80) | 4.2 | (0.66) | 5.4 | (0.69) | 6.4 | (0.81) | ||||||||
| Female | 3.6 | (0.7) | 3.3 | (0.31) | 3.6 | (0.34) | 4.7 | (0.35) | 3.8 | (0.40) | 3.8 | (0.44) | 6.6 | (0.66) | 3.3 | ! | (1.33) | ‡ | (†) | 24.3 | (3.44) | 4.6 | (1.27) | 5.2 | (0.72) | 4.5 | (0.64) | 4.9 | (0.69) | 3.8 | (0.59) | |||||||||
| Marijuana use on school property1 |
7.0 | (1.0) | 4.5 | (0.31) | 4.6 | (0.35) | 5.9 | (0.39) | 4.6 | (0.42) | 6.7 | (0.77) | 7.7 | (0.54) | 4.5 | (1.34) | 12.5 | ! | (4.94) | 20.9 | (4.05) | 8.1 | (1.79) | 5.4 | (0.65) | 6.2 | (0.63) | 6.2 | (0.70) | 5.4 | (0.39) | |||||||||
| Male | 9.0 | (1.3) | 6.0 | (0.46) | 6.3 | (0.54) | 7.5 | (0.56) | 5.6 | (0.63) | 9.3 | (1.21) | 9.6 | (0.73) | 6.9 | ! | (2.57) | ‡ | (†) | 27.8 | (6.91) | 11.3 | (2.56) | 7.0 | (0.97) | 8.0 | (1.03) | 7.5 | (1.07) | 7.2 | (0.62) | |||||||||
| Female | 4.6 | (1.1) | 3.0 | (0.31) | 2.8 | (0.32) | 4.1 | (0.32) | 3.4 | (0.42) | 4.1 | (0.80) | 5.7 | (0.58) | ‡ | (†) | ‡ | (†) | 13.4 | (2.29) | 5.2 | ! | (1.63) | 3.7 | (0.58) | 4.2 | (0.57) | 4.7 | (0.61) | 3.5 | (0.52) | |||||||||
| Offered, sold, or given an illegal drug on school property3 |
31.7 | (1.8) | 25.4 | (1.07) | 22.7 | (1.04) | 25.6 | (0.99) | 22.8 | (0.96) | 22.8 | (1.82) | 33.2 | (1.70) | 23.3 | (2.46) | 38.9 | (5.01) | 40.5 | (2.80) | 33.3 | (2.79) | 23.7 | (1.22) | 27.8 | (1.21) | 27.0 | (1.51) | 23.8 | (1.13) | ||||||||||
| Male | 37.4 | (2.3) | 28.8 | (1.22) | 25.9 | (1.36) | 29.2 | (1.10) | 26.4 | (1.18) | 28.7 | (2.44) | 35.8 | (1.67) | 26.7 | (3.51) | ‡ | (†) | 42.4 | (3.06) | 35.4 | (4.05) | 25.9 | (1.34) | 30.8 | (1.85) | 32.5 | (1.86) | 28.1 | (1.76) | ||||||||||
| Female | 24.7 | (2.4) | 21.8 | (1.02) | 19.3 | (1.01) | 21.7 | (1.17) | 18.9 | (1.30) | 17.0 | (1.85) | 30.5 | (1.98) | 19.3 | (2.57) | ‡ | (†) | 38.3 | (4.24) | 31.1 | (3.11) | 21.3 | (1.45) | 24.6 | (1.40) | 21.3 | (1.62) | 19.3 | (1.43) | ||||||||||
| †Not applicable. | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| !Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 and 50 percent. | ||||||||||||||||||||||||||||||||||||||||
| # Rounds to zero. | ||||||||||||||||||||||||||||||||||||||||
| ‡Reporting standards not met. Either there are too few cases for a reliable estimate or the coefficient of variation (CV) is 50 percent or greater. | ||||||||||||||||||||||||||||||||||||||||
| 1 One or more times during the 30 days preceding the survey. | ||||||||||||||||||||||||||||||||||||||||
| 2 Such as a gun, knife, or club. | ||||||||||||||||||||||||||||||||||||||||
| 3 One or more times during the 12 months preceding the survey. | ||||||||||||||||||||||||||||||||||||||||
| 4 Used chewing tobacco or snuff one or more times during the 30 days preceding the survey. | ||||||||||||||||||||||||||||||||||||||||
| NOTE: Totals include other racial/ethnic groups not shown separately and students whose racial/ethnic group or grade was not reported. Race categories exclude persons of Hispanic ethnicity. | ||||||||||||||||||||||||||||||||||||||||
| SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, Youth Risk Behavior Survey (YRBS), 2011 National YRBS Data Files, retrieved September 7, 2012, from http://apps.nccd.cdc.gov/youthonline/App/Default.aspx. (This table was prepared September 2012.) |
