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Illicit Drug Use Tables (Standard Errors and P Values) - 1.1 to 1.92

Published by Substance Abuse and Mental Health Services Administration | U.S. Department of Health & Human Services | Metadata Last Checked: September 06, 2025 | Last Modified: 2025-09-06
These detailed tables present standard errors for illicit drug use totals and prevalence estimates from the 2011 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 2011 and 2010.

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