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Table 2 Opioids in drivers: The presence of alcohol and other drugs in drivers, cases in which opioids were detected together with other substances

From: Roadside opioid testing of drivers using oral fluid: the case of a country with a zero tolerance law, Spain

  6-AM Codeine Methadone
(n = 26) (n = 16) (n = 14)
% % %
Cocaine 100 87.5 78.6
Amphetamines 7.7 18.5 21.4
THC 34.6 31.2 35.7
Benzodiazepines, zolpidem and zopiclone 15.4 31.2 28.6
Alcohol 15.4 31.2 14.3
  1. 6-AM 6-acetylmorphine
  2. THC delta 9 tetrahydrocannabinol