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Table 1 Overview of study measures

From: The effectiveness and cost-effectiveness of Acceptance and Commitment Therapy as a transdiagnostic intervention for transitional-age youth: study protocol of a randomized controlled trial

Variable

Domain

Instrument

Items

Source

Assessment

    

Y

P

T

T0

T1

T2

T3

T4

T5

Primary outcomes

Psychological flexibility

AFQ-Y (FV)

17

x

  

x

 

x

 

x

x

AFQ-Y (SV)

8

x

   

x

 

x

  

Number of DSM-5 diagnoses

SCID-5 Junior

-

x

  

x

   

x

x

Secondary outcomes

Presence of the primary DSM-5 diagnosis

SCID-5 Junior

-

x

  

x

   

x

x

Psychopathology

YSR

69

x

  

x

   

x

x

CBCL

74

 

x

 

x

   

x

x

BFS

12

x

  

x

x

x

x

x

x

Personality problems

SIPP-SF

60

x

  

x

 

x

 

x

x

Global Functioning

CGAS

1

  

x

x

 

x

 

x

 

ORS

4

x

  

x

x

x

x

x

x

Individual and societal functioning

ISIQ

10

x

  

x

   

x

x

Quality of life

EuroQol

6

x

x

 

x

 

x

 

x

x

Stress

PSS (FV)

10

x

  

x

 

x

 

x

x

PSS (SV)

5

x

   

x

 

x

  

Treatment satisfaction

SSS

4

x

      

x

 

Drop-out

Drop-out questionnaire

5

  

x

    

x

 

Therapeutic alliance

TASC

12

x

 

x

 

x

x

x

x

 

Moderators

Demographic characteristics

-

-

x

x

x

x

   

x

x

Type of problems

SCID-5 junior

-

x

  

x

   

x

x

Severity of problems

SCID-5 junior

-

x

  

x

   

x

x

Psychopathology of parents/caregivers

ASR

69

 

x

 

x

   

x

x

Treatment expectancy

PETS

7

x

  

x

     

Previous treatments

VEHI

8

x

  

x

     

Mediators

Psychological flexibility

AFQ-Y (FV)

17

x

  

x

 

x

 

x

x

AFQ-Y (SV)

8

x

   

x

 

x

  

Emotion regulation

ERSQ

27

x

  

x

 

x

 

x

x

ERSQ (SV)

9

x

   

x

 

x

  

FEEL-KJ

30

x

  

x

 

x

 

x

x

Self-compassion

SCS-SF

12

x

  

x

 

x

 

x

x

Autonomy

AAQ

18

x

  

x

 

x

 

x

x

Perfectionism

FMPS

26

x

  

x

 

x

 

x

x

Self-esteem

RSES

10

x

  

x

 

x

 

x

x

Group cohesion

GCQ-S

12

    

x

x

x

x

 

Other characteristics

Treatment integrity

Observation

-

         

Content of TAU

TPC

3

  

x

 

x

x

x

x

 

Life events

LES

23

x

  

x

   

x

x

Costs

Cost diary

79

x

  

x

   

x

x

  1. Abbreviations: FV Full-length version, P Parents/caregivers, SV Short version, T Therapist, T0 Baseline assessment, T1–3 mediator assessments, T4 Post-assessment, T5 6-month follow-up assessment, Y Transitional age youths