Percentage of high school students involved in behaviors that may endanger their safety, by type of behavior and sex: Selected years, 1991 through 2009

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Table 49.	Percentage of high school students involved in behaviors that may endanger their safety, by type of behavior and sex: Selected years, 1991 through 2009

Behavior	1991	1993	1995	1997	1999	2001	2003	2005	2007	2009
Carried a weapon^1,2
Total	26.1	22.1	20.1	18.3	17.3	17.4	17.1	18.5	18.0	17.5
Male	40.6	34.3	31.1	27.7	28.6	29.3	26.9	29.8	28.5	27.1
Female	10.9	9.2	8.3	7.0	6.0	6.2	6.8	7.1	7.5	7.1

Carried a gun¹
Total	–	7.9	7.6	5.9	4.9	5.7	6.1	5.4	5.2	5.9
Male	–	13.7	12.3	9.6	9.0	10.3	10.2	9.9	9.0	9.8
Female	–	1.8	2.5	1.5	0.8	1.3	1.7	1.0	1.2	1.7

Drove after drinking alcohol¹
Total	16.7	13.5	15.4	16.9	13.1	13.3	12.1	9.9	10.5	9.7
Male	21.5	17.6	18.5	21.0	17.4	17.2	15.0	11.7	12.9	11.6
Female	11.7	9.1	11.9	12.0	8.7	9.5	8.9	8.1	8.1	7.6

Rode with a driver who had been drinking alcohol¹
Total	40.0	35.3	38.8	36.6	33.1	30.7	30.2	28.5	29.2	28.3
Male	40.1	36.3	39.5	38.3	34.4	31.8	29.2	27.2	29.5	27.8
Female	39.8	34.5	37.8	34.5	31.7	29.6	31.1	29.6	28.8	28.8

Engaged in a physical fight³
Total	42.5	41.8	38.7	36.6	35.7	33.2	33.0	35.9	35.5	31.5
Male	50.3	51.2	46.1	45.5	44.0	43.1	40.5	43.4	44.4	39.3
Female	34.4	31.7	30.6	26.0	27.3	23.9	25.1	28.2	26.6	22.9

Injured in a physical fight^3,4
Total	4.4	4.0	4.2	3.5	4.0	4.0	4.2	3.6	4.2	3.8
Male	6.0	5.2	5.7	4.6	5.3	5.2	5.7	4.8	5.5	5.1
Female	2.7	2.7	2.5	2.2	2.8	2.9	2.6	2.4	2.9	2.2

– Not available.
¹ One or more times during the 30 days preceding the survey.
² Examples of a weapon are a gun, knife, or club.
³ One or more times during the 12 months preceding the survey.
⁴ Physical fight resulting in injury requiring attention by a doctor or nurse.
SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention (CDC), Morbidity and Mortality Weekly Report, Youth Risk Behavior Surveillance—United States, selected years, 1991–2009.