Tag: American workforce

News

Drug Testing Index: A look at 2014-2018

May 10, 2018 By

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.

News

Workforce drug positivity at highest rate in a decade

May 8, 2018 By

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

By the Numbers: Positivity by drug

October 6, 2016 By

Detection rates of amphetamine, heroin and marijuana have increased annually for the past five years according to the Drug Testing Index.