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High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry

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Workplace drug testing and worker drug use.

Christopher S Carpenter¹

¹The Paul Merage School of Business at UC Irvine, 443 SB, Irvine, CA 92697-3125, USA.

Health Services Research

|March 17, 2007

Summary

Workplace drug testing is associated with reduced marijuana use among employees. While drug testing shows a deterrent effect, other workplace policies also contribute to this reduction.

Area of Science:

Occupational Health
Drug Policy Research
Behavioral Science

Background:

Workplace drug testing is a common practice aimed at deterring substance use.
Previous research suggests a strong negative correlation between drug testing and employee drug use.
The precise nature and extent of this association require further investigation.

Purpose of the Study:

To examine the association between workplace drug testing and worker drug use.
To evaluate the impact of drug testing policies, including penalty severity and detection likelihood, on marijuana use.

Main Methods:

Utilized data from the National Household Surveys on Drug Abuse (NHSDA) and National Survey on Drug Use and Health (NSDUH) (2000-2002).
Employed multivariate logistic regression models to analyze the likelihood of marijuana use.

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Controlled for worker and job characteristics, and considered other workplace policies like drug education and employee assistance programs.

Main Results:

Individuals in workplaces with drug testing reported significantly less past-month marijuana use.
Drug education, employee assistance programs, and written policies also showed negative associations with marijuana use.
Frequent testing and severe penalties were linked to a reduced likelihood of marijuana use, though the testing effect was partially explained by other factors.

Conclusions:

While previous estimates of the deterrent effect of drug testing may have been slightly overstated due to omitted variables bias, the overall pattern supports its effectiveness.
Workplace drug testing, alongside other supportive policies, contributes to reducing worker drug use.
Further research should consider comprehensive workplace strategies for substance use prevention.