How Do Prescription Opioid Users Differ From Users of Heroin or Other Drugs in Psychopathology: Results From the National Epidemiologic Survey on Alcohol and Related Conditions

To study substance use and psychiatric disorders among prescription opioid users, heroin users, and non-opioid drug users in a national sample of adults.Analyses of data from the 2001-2002 National Epidemiologic Survey on Alcohol and Related Conditions (N=43,093).Four groups were identified among 9140 illicit or non-prescribed drug users: heroin-other opioid users (1.0%; used heroin and other opioids), other opioid-only users (19.8%; used other...