Adolescent drinking and sex: findings from a daily diary study.

Context: Alcohol consumption often has been cited as increasing adolescents' risk of HIV, and several studies have shown positive relationships between drinking and risky sexual behavior among adolescents. Because most of these studies used global measures of drinking and risky sex, and conducted comparisons across persons, they could not determine whether alcohol use was a cause of risky sex or simply a correlate.

Methods: A sample of 112 U.