Drug Testing

Statistics and data relating to testing for drug use, including urinalysis/urine testing, hair analysis, saliva testing, impairment testing, and other methods, with related chapters focusing on testing in the workplace and in schools.

Positivity Rate for Marijuana Use Among US Workers Subjected to Drug Testing

"Marijuana positivity continued its upward climb in both the federally-mandated, safety-sensitive and general U.S. workforces. In oral fluid testing, which detects recent drug use, marijuana positivity increased nearly 75 percent, from 5.1 percent in 2013 to 8.9 percent in 2016 in the general U.S. workforce. Marijuana positivity also increased in both urine testing (2.4% in 2015 versus 2.5% in 2016) and hair testing (7.0% in 2015 versus 7.3% in 2016) in the same population.

Drug Positivity Rates Of US Employees Subjected to Urine Drug Tests, by Worker Category

According to Quest Analytics, the drug positivity rates for US employees subjected to urine drug tests are:
Federally Mandated Safety-Sensitive Workforce: 2.0%
General US Workforce: 4.9%
Combined US Workforce: 4.2%

Click here for the complete datatable of Drug Positivity Rates Of US Employees Subjected to Urine Drug Tests, by Worker Category

Federal Rules Allowing or Mandating Drug Testing

Federal Rules Allowing or Mandating Drug Testing: "The federal government does not impose rules regulating or prohibiting testing in the private sector and instead gives direct governance to specific agencies for employees under their jurisdictions and to the states. Two federal departments (Department of Transportation and Department of Defense) require random drug testing for contractors and employees holding certain jobs and in certain circumstances (e.g., after an accident). In addition, there is a federal law (the Omnibus Transportation Employee Testing Act, Pub. L. No. 102-143) that requires testing for specific types of transit operators. For private industries, state laws cover drug testing for both job applicants and employees.

Post-Accident Drug Testing As A Disincentive to Accident Reporting

Post-Accident Drug Testing As A Disincentive to Accident Reporting: "Occupational safety and health stakeholders we interviewed and occupational health practitioners we surveyed told us that primary factors affecting the accuracy of injury and illness data include disincentives that affect workers’ decisions to report work-related injuries and illnesses and employers’ decisions to record them. ...

Drug Testing and Other Pre-Employment Screening Performed by Sheriff's Departments

Drug Testing and Other Pre-Employment Screening Performed by Sheriff's Departments: "Nearly all officers were employed by a sheriff’s office that used criminal record checks (99%), personal interviews (98%), background investigations (98%), and driving record checks (95%) (figure 4). More than 4 in 5 officers were employed by an office that used medical exams (87%), and drug tests (85%). More than two-thirds were employed by one using psychological evaluations (72%) and credit checks (69%). More than half of officers worked in sheriffs' offices using written aptitude tests (58%) and physical agility tests (54%)."

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