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Amount of self-reported illicit drug use compared to quantitative hair test results in community-recruited young drug users in Amsterdam: Self-reported drug use compared to hair test results by Esther A. E. Welp; Ingrid Bosman; Miranda W. Langendam; Maja Totté; Robert A. A. Maes; Erik J. C. Van Ameijden is a Medicine article available to read on EtoBox.

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## Aims: To assess the dose-effect relationship between self-reported drug intake and the concentration of drugs and/or their metabolites in hair and to examine factors that may mediate this relationship. ## Design and setting: A cohort study among young drug users (ydu) in amsterdam, the netherlands, which began in july 2000. at intake, ydu were asked to report their average drug intake over a 2-month period. a hair sample was taken and then analysed for cocaine, benzoylecgonine (be), morphine, 6-monoacetylmorphine and methadone. weighted least-squares regression analysis was used to model hair-test results as a function of reported drug use. ## Participants: Subjects were 95 ydu (using cocaine, heroin, methadone and/or amphetamines at least 3 days/week) aged 18-30 residing in amsterdam in 2000-2001. ## Findings: Of the 95 ydu, one-third were women; mean age was almost 26; 30% had black hair, 33% blond hair and 37% brown hair. cocaine use was reported by 92%, heroin by 75% and methadone by 64% of participants. all hair samples contained one or more drugs. crude correlation coefficients between reported drug doses and drug concentrations in hair ranged between 0.45 and 0.59. the mu

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Author

Esther A. E. Welp; Ingrid Bosman; Miranda W. Langendam; Maja Totté; Robert A. A. Maes; Erik J. C. Van Ameijden

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0965-2140)

Published

2003

Language

EN

Field

Medicine (Health Sciences)