NCJ Number
133407
Journal
Federal Probation Volume: 55 Issue: 1 Dated: (March 1991) Pages: 3-10
Date Published
1991
Length
8 pages
Annotation
The results of radioimmunoassay hair analysis for drug use were compared with urinalysis results and self-reports of clients in pretrial release, probation, and parole in the Central District of California.
Abstract
Hair analysis was performed by a radioimmunoassay; urinalysis by enzyme immunoassay; and thin layer chromatography for opiates, marijuana, cocaine, and PCP. The comparisons were performed from both a retrospective and prospective approach. The retrospective study with clients with positive self-reports showed the hair analysis results in excellent agreement with self-reports and identified more drug users than urinalysis did. The large number of self-reported nonusers correlated with negative urinalysis and negative hair analysis results. The prospective study data suggest a cooperative use of hair and urine analysis; an initial application of hair analysis identifies a high-risk population which subsequently is monitored by random urinalysis testing for maximum and immediate deterrent effects. All these results indicate that hair analysis can provide a semi-quantitative measure of the severity of an individuals' drug use and that retrospective hair analysis can serve as a predictor of drug use during criminal justice supervision. 3 figures, 6 tables, and 40 references
Date Published: January 1, 1991
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