Toward a more parsimonious approach to drug recognition expert evaluations

Traffic Injury Prevention
Amy J Porath-WallerErin E Beasley

Abstract

The purpose of this study is to statistically identify the set of drug-related cues from Drug Evaluation and Classification (DEC) evaluations that significantly predict the substance used by suspected drug-impaired drivers. Data from 742 completed Canadian DEC evaluations of central nervous system (CNS) stimulant, narcotic analgesic, and cannabis cases were analyzed using a multinomial logistic regression procedure. Nine clinical indicators from the DEC evaluations significantly enhanced the prediction of drug category, including pulse rate, condition of the eyes and eyelids, lack of convergence, hippus, reaction to light, rebound dilation, systolic blood pressure, and the presence of injection sites. The findings from this study will facilitate the process of identifying the correct category of drug ingested by focusing on critical signs and symptoms of drug influence. This work will have direct and immediate relevance to the training of drug recognition experts (DREs) by providing the foundation for an innovative, statistically based approach to drug classification decisions by DREs.

References

Jun 1, 1995·Accident; Analysis and Prevention·G W Mercer, W K Jeffery
May 12, 2005·Accident; Analysis and Prevention·David Shinar, Edna Schechtman
Jun 7, 2005·Forensic Science International : Synergy·Per HolmgrenJohan Ahlner
Apr 1, 2006·Accident; Analysis and Prevention·Craig JonesDon Weatherburn
Sep 13, 2006·CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne·David B CarrJohn C Morris
Nov 13, 2007·Traffic Injury Prevention·Douglas J BeirnessDeanna Singhal
Jul 15, 2009·Drug and Alcohol Dependence·Danilo Antonio BaltieriArthur Guerra de Andrade

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Citations

Sep 28, 2010·Traffic Injury Prevention·Amy J Porath-Waller, Douglas J Beirness
Aug 24, 2013·Journal of Analytical Toxicology·Jillian K Yeakel, Barry K Logan
Jan 2, 2014·Traffic Injury Prevention·Robert Solomon, Erika Chamberlain
Oct 22, 2020·Trends in psychiatry and psychotherapy·Juliana N SchererFlavio Pechansky

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Software Mentioned

Drug Evaluation and Classification ( DEC )
DEC

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