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Cocaine dependence (past year)

Codes and Frequencies

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For sample persons ages 18-44, COKDEPENDYR is a recoded variable that reports if the person was dependent on cocaine in the past 12 months. This recoded variable uses responses from other questions about the person's prevalence of cocaine use in the past year to determine dependence.

These questions include using cocaine more often than planned in the last year, trying but being unable to cut down or stop using cocaine, using cocaine every day for 2 or more weeks, experiencing social consequences of cocaine use, reducing activities because of cocaine use, continuing to use cocaine despite problems from cocaine use, building a tolerance to cocaine, feeling sick because of stopping or cutting down on cocaine, and using drugs or alcohol because of feeling sick from stopping or cutting down on cocaine use.
This variable is part of a series of questions on drug and alcohol use. Respondents filled this survey supplement out themselves because of the potentially personal nature of the questions included in the supplement. The interviewer was available to provide assistance if requested. The supplement includes detailed questions about cocaine (COKABUSEYR), marijuana (MJABUSEYR), and general questions about use of hallucinogens, inhalants, heroin, painkillers, sedatives, stimulants, and tranquilizers.


There are no comparability issues with this variable.


  • 1991: Sample adults age 18-44.


  • 1991