US workforce drug use rates reach 20-year peak
2021 reached the highest rate of positive drug test results since 2001, with transportation industry drug use up 25% since 2020, as tracked by the Quest Diagnostics Drug Testing Index® (DTI)—an annual report examining drug positivity rates among 11 million deidentified specimens tested on behalf of employers across the country.
We invite you to review the cross-industry and industry-specific data captured in this DTI spotlight, and to use this information as you continue to reduce risk, plan for the future, and create a safe work environment for your employees.