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Table 50. Percentage of high school students reporting selected sexual behaviors, by sex: Selected years, 1991 through 2009
 
Behavior 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009
Ever had sexual intercourse                    
Total 54.1 53.0 53.1 48.4 49.9 45.6 46.7 46.8 47.8 46.0
Male 57.4 55.6 54.0 48.9 52.2 48.5 48.0 47.9 49.8 46.1
Female 50.8 50.2 52.1 47.7 47.7 42.9 45.3 45.7 45.9 45.7
                     
Currently sexually active
   (last 3 months)
                   
Total 37.5 37.5 37.9 34.8 36.3 33.4 34.3 33.9 35.0 34.2
Male 36.8 37.5 35.5 33.4 36.2 33.4 33.8 33.3 34.3 32.6
Female 38.2 37.5 40.4 36.5 36.3 33.4 34.6 34.6 35.6 35.6
                     
Drank alcohol or used drugs
   during last sexual intercourse
1
                   
Total 21.6 21.3 24.8 24.7 24.8 25.6 25.4 23.3 22.5 21.6
Male 26.3 25.7 32.8 30.5 31.2 30.9 29.8 27.6 27.5 26.0
Female 16.8 16.7 16.8 18.5 18.6 20.7 21.0 19.1 17.7 17.1
                     
Used a condom during last sexual
   intercourse
1
                   
Total 46.2 52.8 54.4 56.8 58.0 57.9 63.0 62.8 61.5 61.1
Male 54.5 59.2 60.5 62.5 65.5 65.1 68.8 70.0 68.5 68.6
Female 38.0 46.1 48.6 50.8 50.7 51.3 57.4 55.9 54.9 53.9
                     
Used birth control pills during
   last sexual intercourse
1
                   
Total 20.8 18.4 17.4 16.6 16.2 18.2 17.0 17.6 16.0 19.8
Male 16.5 14.7 14.3 13.0 11.8 14.9 13.1 14.6 13.1 16.5
Female 25.0 22.4 20.4 20.5 20.4 21.1 20.6 20.6 18.7 23.0
1 Among students who were currently sexually active (had sexual intercourse with at least one person during the 3 months before the survey).
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.