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COLUMBIA, Mo., July 5 (UPI) -- A University of Missouri-Columbia study says problem gamblers and substance abusers share similar personality traits.
The findings are published in the July issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
The study says individuals with problem gambling behavior have personality profiles similar to the profiles of those with alcohol, marijuana and nicotine-associated addictive disorders.
Previous studies have shown problem gambling associated with alcohol dependence and suggested an association with drug and nicotine dependence as well.
Wendy Slutske and colleagues compared personality assessments of 939 young adults from New Zealand with diagnoses of problem gambling and alcohol and substance dependence.
"Past-year problem gambling was significantly associated with past-year alcohol dependence, cannabis dependence and nicotine dependence," the authors said. "The associations between problem gambling and the three substance use disorders were similar in magnitude and were nearly as large as the well-established association between alcohol and nicotine dependence."