Just say "I don't": lack of concordance between teen report and biological measures of drug use.

Abstract

BACKGROUND Prevalence estimates of illicit drug use by teens are typically generated from confidential or anonymous self-report. While data comparing teen self-report with biological measures are limited, adult studies identify varying degrees of under-reporting. METHODS Hair analyses for cocaine, opiates and marijuana were compared to confidential teen… (More)
DOI: 10.1542/peds.2009-3059

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