Sexual activity among high school students, 2003 (pie chart): Abstinent*, 53.3%; No intercourse during past 3 months, 12.4%; Intercourse during past 3 months, used condom at last intercourse, 21.6%; Intercourse during past 3 months, no condom at last intercourse, 12.7%.

*Never had intercourse.

Source: Centers for Disease Control and Prevention (21 May, 2004). MMWR, Vol. 53, No. SS-2: Youth Risk Behavior Surveillance — United States, 2003. Atlanta, GA: U.S. Department of Health and Human Services.