Weight control practices of U.S. adolescents and adults.

<bold>Objective: </bold>To estimate the prevalence of various weight-loss practices in U.S. adolescents and adults.<bold>Design: </bold>The Youth Risk Behavior Survey, a self-administered survey of a random sample of high school students in 1990 and the Behavioral Risk Factor Surveillance System, a random-digit dial survey in 1989.<bold>Setting: </bold>Thirty-eight states and the District of Columbia.<bold>Participants: </bold>High school students (n = 11,467) and adults 18 years and older (n = 60,861).<bold>Results: </bold>Among high school students, 44% of female students and 15% of male students reported that they were trying to lose weight. An additional 26% of female students and 15% of male students reported that they were trying to keep from gaining more weight. Students reported that they had used the following weight control methods in the 7 days preceding the survey: exercise (51% of female students and 30% of male students); skipping meals (49% and 18%, respectively); taking diet pills (4% and 2%, respectively); and vomiting (3% and 1%, respectively). Among adults, 38% of women and 24% of men reported that they were trying to lose weight, whereas 28% of each sex reported that they were trying to maintain their weight.<bold>Conclusions: </bold>Attempts to lose or maintain weight are very prevalent among both adolescents and adults, especially among females. [ABSTRACT FROM AUTHOR]