20% of adolescents said they used alcohol and drugs prior to last episode of intercourse

About 33% of high school students are sexually active, 1/3. The percentage gets higher with the grade.

About 20% of sexually active high school students said they used alcohol or drugs prior to their last episode of sexual intercourse. Males are much more likely to report alcohol and drug use prior to sexual intercourse than females, 26% compared to 17%.

These rates have not changed since the survey was begun in 1991.

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To read the whole report from the Center For Substance Abuse Research at the University of Maryland, click here.