Variable | Instrument | Who is assessed? | Measuring point |
---|---|---|---|
Personal data | SES (Socio-economic status) Self constructed questionnaire | Parents | t0 |
Substance use assessment | Structured Interview/urinalysis | Youth | t0 – t3 |
Screening of mental problems | Parents | t0 – t3 | |
Screening of mental problems | SPS-J/RAASI (Screening for psychological Symptoms in Youth) [30, 31] | Youth | t0 – t3 |
Behavioural problems | Youth/Parents | t0 – t3 | |
Attitudes toward drug use | Substance Use Affinities in Youth [34] | Youth | t0 – t3 |
Quality of life | ILK (Inventory of Life Quality in Children and Adolescents) [35] | Youth | t0 – t3 |
Self-efficacy | SWE (General Self-efficacy Scale) [36] | Youth/Parents | t0 – t3 |
Parenting style | ESI (Parenting Style Inventory) [37] | Youth | t0 – t3 |
Family functioning | FACES IV (Family Adaptability and Cohesion Evaluation Scales) [38], own translation | Youth/Parents | t0 – t3 |
Family functioning | FAM (Family Assessment Measure) [39] | Youth/Parents | t0 – t3 |
Programme Satisfaction | FBB (Treatment Satisfaction Questionnaire) [40] | Youth/Parents | t0 – t3 |