"Positivity rates for marijuana in the general US workforce based on more than 6 million urine tests continued an upward climb, increasing 8.3% (3.6% in 2020 versus 3.9% in 2021), the highest positivity rate ever reported in the DTI. Over 5 years, positivity for marijuana in the general US workforce increased 50% (2.6% in 2017 versus 3.9% in 2021).
"Overall positivity in the federally mandated, safety-sensitive workforce based on nearly 2.7 million urine drug tests stayed even year over year (2.2% in 2020 and 2021) and was 4.8% higher than 2017 (2.1% in 2017 versus 2.2% in 2021). In the general US workforce, positivity increased 1.8% (5.5% in 2020 versus 5.6% in 2021) and was 12% higher than in 2017 (5.0% in 2017 versus 5.6% in 2021) and up each of the last 5 years."
Quest Diagnostics (2022). Drug Testing Index and Industry Insights: 2022 Annual Report and Industry Insights.
