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Table 1 Schedule of enrolment, interventions and assessments

From: Internet-based psychodynamic versus cognitive behaviour therapy for adolescents with depression: study protocol for a non-inferiority randomized controlled trial (the ERiCA study)

Activity/assessment

Online screening/baseline

Telephone interview

Post-randomization

Follow-up

− t1

t0

t1–10 (weekly)

t11 (post)

f1

f2

f3

Informed consent

X

      

Demographic data

X

      

ICBT/IPDT

  

X

    

M.I.N.I 7.0

 

X

     

C-SSRS

 

X

     

DSRFI

 

X

     

Treatment Expectancya

X

 

X

    

QIDS-A17-SR

X

 

X

X

X

X

X

SAI-C/SAI-T

  

X

    

GAD-7

X

  

X

X

X

X

SCS-SF

X

  

X

   

PID-5-BF

X

      

TiC-P

X

     

X

ERSQ-27

X

  

X

   

ERSQ-9

  

X

    

ECR-RS

X

      

OPD-SQS

X

      

Termination form

   

X

   
  1. M.I.N.I Mini International Neuropsychiatric Interview, C-SSRS Columbia Suicide Severity Rating Scale, DSRFI Depression-specific reflective functioning interview, QIDS-A17-SR Quick Inventory of Depressive Symptomatology in Adolescents, SAI-C Session Alliance Inventory – Client version, SAI-T Session Alliance Inventory – Therapist version, GAD-7 Generalized Anxiety Disorder -7, SCS-SF Self-Compassion Scale short-form, PID-5-BF The Personality Inventory for DSM Short Form, TiC-P Trimbos and Institute of Medical Technology Assessment Cost Questionnaire for Psychiatry, ERSQ Emotion Regulation Skills Questionnaire (27/9 items), ECR-RS Experiences in Close Relationships - Relationship Structure, OPD-SQS OPD-Structure Questionnaire short version. F1: 1 month, F2: 6 months; F3: 12 months
  2. a“How much do you expect your depression to improve as a result of treatment?” on a 7-point Likert scale ranging from “− 3” (I expect to feel much worse) to “3” (I expect to feel much better)