Tag: American workforce
Drug Testing Index: A look at 2014-2018
The Quest Diagnostics Drug Testing Index reveals insights into patterns of drug use among the U.S. workforce on its 30th anniversary. Download our timeline.
Workforce drug positivity at highest rate in a decade
Driven by increases in cocaine, methamphetamine, and marijuana, drug use by the American workforce remains at its highest rate in more than a decade.
By the Numbers: Positivity by drug
Detection rates of amphetamine, heroin and marijuana have increased annually for the past five years according to the Drug Testing Index.
