verslaving cannabis addiction cannabis dependence
Conditions
Interventions
None listed
Sponsors
Trimbos Instituut
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Main study: age 18-30 years / cannabis consumption at least 12 days per month during the last year / half of the participants have to fulfil criteria for cannabis dependence, and half should not fulfil these criteria (screening by the interviewer) / sufficiently fluent in Dutch;Treatment demand study: age 18-30 years / first time in treatment for cannabis related problems and not referred by the criminal justice system / sufficiently fluent in Dutch
Exclusion criteria
Exclusion criteria: age below 18 years or 31 years or over / cannabis use less than 12 days per month during the last year / insufficient Dutch;treatment demand: referred for treatment by the crminal justice system
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| (change in) DSM-IV dependence co-morbidity personality service use | — |
Secondary
| Measure | Time frame |
|---|---|
| change in cannabis use cannabis exposure | — |
Countries
Netherlands
Outcome results
None listed