Awareness of negative consequences of cocaine use is theoretically imp
ortant for motivation for treatment and relapse prevention. This study
reports on the development of an instrument designed to assess cocain
e users' self-reported negative consequences of cocaine use. Two sampl
es of cocaine users in treatment for substance abuse completed the Coc
aine Negative Consequences Checklist (CNCC). The measure, which is uni
dimensional in nature with four content area subscales that may be sco
red, was found to possess excellent reliability across the two samples
. The convergent and discriminant validity of the CNCC was supported b
y the pattern of relationships with other measures of cocaine conseque
nces, cocaine use, the Addiction Severity Index, and with demographic
measures. Further research is needed on the utility of this measure in
treatment and research.