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Table 1 Overview of variables, concepts, measures, and time points

From: Cognitive behavioural therapy for psychopathology in relatives of missing persons: study protocol for a pilot randomised controlled trial

Variable Concept Measure Time points
Primary outcome measures Severity of PCBD symptoms ICG T0, T0.1, T1, FU1, FU2
Secondary outcome measures Severity of PTSD symptoms PCL-5 T0, T0.1, T1, FU1, FU2
  Severity of depressive symptoms IDS-SR T0, T0.1, T1, FU1, FU2
  Extent of mindfulness SMQ T0, T0.1, T1, FU1, FU2
Mediator Severity of grief cognitions GCQ T0, T0.1, T1, FU1, FU2
  Severity of rumination RRS T0, T0.1, T1, FU1, FU2
  Severity of repetitive negative thinking PTQ T0, T0.1, T1, FU1, FU2
  Ability to be self-compassionate SCS T0, T0.1, T1, FU1, FU2
  Severity of intrusive memories TMQ T0, T0.1, T1, FU1, FU2
  Severity of avoidance behaviour DAAPGQ T0, T0.1, T1, FU1, FU2
Process of change session by session Ability to be self-compassionate SCS-SF Start of each treatment session
  Severity of intrusive memories and images Intrusive memories and images vas Start of each treatment session
  Frequency of repetitive negative thinking RNT vas Start of each treatment session
Other variables Sociodemographic information   T0
  Evaluation of the treatment and reason(s) for drop-out   T1
  1. ICG Inventory of Complicated Grief, PCL-5 Posttraumatic Stress Disorder Checklist for DSM-5, IDS-SR Inventory of Depressive Symptomatology—Self-Report, SMQ Southampton Mindfulness Questionnaire, GCQ Grief Cognition Questionnaire, RRS Ruminative Response Scale, PTQ Perseverative Thinking Questionnaire, SCS Self-Compassion Scale, TMQ Trauma Memory Questionnaire, DAAPGQ Depressive and Anxious Avoidance in Prolonged Grief Questionnaire, SCS-SF Self-Compassion Scale – Short Form, RNT vas Repetitive Negative Thinking visual analogue scale, T0 baseline measure, T1 post-treatment assessment, T0.1 post-waiting period measure, FU1 follow-up measure 1, FU2 follow-up measure 2