Social class trends in the practices and attitudes of college students regarding sex, smoking, drinking, and the use of drugs.
D000293:Adolescent; D000328:Adult; D000428:Alcohol Drinking; D001294:Attitude to Health; D005260:Female; D006801:Humans; D008297:Male; D009820:Ohio; D012725:Sexual Behavior; D012907:Smoking; D012923:Social Class; D013334:Students; D019966:Substance-Related Disorders; D014495:Universities