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Table 2 Measurements and time of assessment

From: Efficacy and cost-effectiveness of an unguided, internet-based self-help intervention for social anxiety disorder in university students: protocol of a randomized controlled trial

Instrument Abbreviation Aim Time of assessment
t0 t1 t2
Clinician administered
 Structured Clinical Interview for DSM-IV Axis I Disorders SCID-I DSM-IV Axis I disorders  
Self-report ratings
 Primary Outcome Measure
  Social Phobia Scalea SPS Symptoms of SAD
  Social Interaction Anxiety Scalea SIAS Symptoms of SAD
 Secondary Outcome Measure
  Liebowitz Social Anxiety Scale LSAS-SR Social anxiety symptoms
  Beck Depression Inventory II BDI-II Symptoms of depression
  Brief Symptom Inventory BSI Psychiatric symptoms
  Inventory of Interpersonal Problems IIP-64 Interpersonal problems
  Fear of Positive Evaluation Scale FPES Fear of positive evaluation
  Disqualification of Positive Social Outcomes Scale DPSOS Fear of positive evaluation
  EuroQol (EQ-5D-5 L) EQ-5D-5 L Quality of life
  Assessment of Quality of Life (AQol) AQoL-8D Quality of life
  Client Satisfaction Questionnaire CSQ-8 Client satisfaction    
  Trimbos/iMTA Questionnaire for Costs associated with Psychiatric Illness TiC-P Cost-effectiveness  
  Credibility Expectancy Questionnaire CEQ Treatment expectancy   
  1. t0 Baseline; t1 10 weeks; t2 6 months; Assessments ✔ = intervention and control group;  = intervention group a process measures assessed every 2 weeks