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 American workforce. As we celebrate our 30th anniversary, we take a deeper look at overall positivity rates and key milestones from 2014 to 2018. Download our new timeline. Continue reading

By   /  May 10, 2018

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, according to the latest Quest Diagnostics Drug Testing Index. Continue reading

By   /  May 8, 2018

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. Continue reading

By   /  October 6, 2016