Hawaii, Arkansas and Oklahoma Lead the Nation for Methamphet

(3BL Media / theCSRfeed) Madison, NJ - October 6, 2011 - Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic testing, information and services, today issued its annual report on U.S. worker drug use, the Quest Diagnostics Drug Testing Index(TM). The study includes its first state-by-state analysis of methamphetamine positives, based on more than 4.5 million urine specimens collected from the general U.S. workforce from January-December 2010, revealing that several Western and Midwestern states register dramatically higher workforce positive prevalence rates for methamphetamine than the national average. The report also shows that while efforts around the country to control availability of the highly addictive substance and educate against its use may be making progress in some areas, the drug's attraction among U.S. workers may be moving eastward.

Among the 42 states with sufficient data to compare to the national average for positive workplace dru