The Industry Insights: Quest Diagnostics Drug Testing Index™ examines patterns of industry specific workplace drug use among the American workforce. The latest data shows that one third of U.S. industry sectors experienced year-over-year double-digit increases in workforce drug positivity between 2015 and 2018. The Retail Trade industry tops list with highest overall positivity rate for four consecutive years.

Topics include: 

• Overall positivity in 17 industry sectors (now including mining)
• Positivity in each sector by drug type
• Key findings about the landscape of drug use in the American workforce

R. H. Barry Sample, PhD, senior director of science & technology at Quest Diagnostics, and Ashlyn Hazard, Senior Analyst, Data Management, share the latest data and analysis.