Influence of privacy on self-reported drug use by youths.
D000293:Adolescent; D000328:Adult; D002648:Child; D003219:Confidentiality; D004812:Epidemiologic Methods; D006801:Humans; D012106:Research; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014342:Truth Disclosure; D014481:United States