| Drug Positivity Rates Of US Employees Subjected to Urine Drug Tests, by Worker Category | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Testing Category | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|
Federally Mandated, Safety-Sensitive Workforce |
1.6% | 1.5% | 1.5% | 1.7% | 1.6% | 1.7% | 1.7% | 1.8% | 2.0% | 2.1% | 2.7% |
| General US Workforce | 4.2% | 4.2% | 4.2% | 4.1% | 4.1% | 4.3% | 4.7% | 4.8% | 4.9% | 5.0% | 5.1% |
| Combined US Workforce | 3.6% | 3.6% | 3.5% | 3.5% | 3.5% | 3.7% | 3.9% | 4.0% | 4.2% | 4.2% | 4.4% |
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