Table 1

Inclusion and exclusion criteria and reasoning

Inclusion Criteria


- Minimal age of 18 years

To ensure a minimal age of participation

- Cocaine use > 2 occasions in the last 30 days

To include occasional users in order to provide extended study validity

Exclusion Criteria


- Participation in other psycho-social or pharmacological treatments for the reduction/cessation of cocaine use

To avoid confounding of treatment effects

- Opioid use in the last 30 days (exception: substitution maintenance treatment for opioid dependence without heroin use in the last 30 days)

To avoid confounding of drug effects

- Ever been in treatment for cardiovascular problems or apoplexy

To avoid subjects with these problems entering the study

- BDI-V score > 45

To avoid subjects with serious symptoms of depression entering the study

Schaub et al. BMC Psychiatry 2011 11:153   doi:10.1186/1471-244X-11-153

Open Data