Predictors of disclosure of continued cocaine use

Lack of disclosure of substance use is common in research and treatment settings and is frequently higher at follow-up than at baseline interviews. The aim of this study was to determine predictors of cocaine use disclosure at follow-up among 525 individuals who reported and tested positive for baseline use. Measurements included self-reported quantity and frequency of use, and hair analysis by radioimmune assay. Forty-two percent of individuals...