From the Centers for Disease Control. Participation in school physical education and selected dietary patterns among high school students--United States, 1991.
D000293:Adolescent; D000294:Adolescent Behavior; D004032:Diet; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D010806:Physical Education and Training / Q000706:statistics & numerical data*; D012494:Sampling Studies; D014481:United States