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Table 1 Assessment domains and instruments

From: Youth in transition: Study protocol of a prospective cohort study into the long-term course of addiction, mental health problems and social functioning in youth entering addiction treatment

 

Instrument

Baseline

End of treatment

2 year FU

4 year FU

Demographic background

 • Age; sex; cultural background/identity

YIT-Q

X

   

 • Family educational level and socioeconomic status

YIT-Q

X

   

Substance use

 • Lifetime and recent substance use

MATE-Y

X

 

X

X

 • DSM-5 substance use disorder (SUD); age of onset

MATE-Y

X

 

X

X

Non-SUD mental disorders

 • DSM-5 lifetime and past-year mental disorders; age of onset

Structured DSM-5 interview

X

 

X

X

 • Dimensional measures of mental health problems, including

depression, anxiety, stress; prodromal psychotic symptoms;

personality risk for substance abuse; intellectual disability

DASS-21; PQ-16;

X

 

X

X

SURPS; SCIL

X

   

 • Suicidal ideation/attempts

MINI

  

X

X

Family history/environment

 • History of SUD (parents; grandparents; siblings)

YIT-Q

X

   

 • History of non-SUD mental disorders; criminality,

violence, abuse, neglect, homelessness

YIT-Q

X

   

YIT-Q

X

   

Life events

 • Traumatic life events

Structured DSM-5 interview

X

 

X

X

 • Turning points with major impact on addiction course

YIT-Q

  

X

X

Social functioning

 • Youth’s functioning in the areas of: education; employment;

living arrangements; social relationships/support; delinquency

YIT-Q

X

 

X

X

 • General functioning, disability and quality of life

WHODAS-2.0

X

 

X

X

Treatment history

 • Number/types of earlier addiction and mental health

treatments

YIT-Q

X

 

X

X

 • Intention/motivation for current treatment

YIT-Q

X

   

Endophenotype and biomarker

 • Behavioral measures of impulsivity (computerized tasks)

Risky Gains task, VBDM, Self-Ordered Pointing task

X

 

X

X

 • Biomarkers of chronic stress: hair cortisol and testosterone

Hair sample analysis

X

 

X

X

Index treatment characteristics

 • Type, intensity, duration of current treatment received and initial

treatment responsea

  

X

  
  1. DASS-21 Depression, Anxiety and Stress Scale, MATE-Y Measurements in the Addictions for Triage and Evaluation – Youth version, PQ-16 Prodromal Questionnaire – 16 item version, SCIL Screener for Intelligence and Learning disability, SURPS Substance Use Risk Profile Scale, VBDM Valued-based decision-making battery, WHODAS-2.0 World Health Organization Disability Assessment Schedule, YIT-Q Youth In Transition Questionnaire
  2. aNote: All information at the end of treatment assessment will be obtained from the responsible clinician