These detailed tables present standard errors for illicit drug use totals and prevalence estimates from the 2013 National Survey on Drug Use and Health (NSDUH). Illicit drugs include marijuana, cocaine, crack, heroin, hallucinogens, inhalants, and the nonmedical use of prescription-type psychotherapeutics, including pain relievers, tranquilizers, stimulants, and sedatives. Standard errors are provided for lifetime, past year, and past month use by age group, gender, race/ethnicity, education level, employment status, and geographic area. Standard errors are provided for both 2013 and 2012.
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