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Table 2 Intention-to-treat and completers mean symptom scores and standard deviations at pre- and post-treatment

From: Group cognitive behavior therapy for Japanese patients with social anxiety disorder: preliminary outcomes and their predictors

  Intention-to-treat (n = 57) Completers (n = 50)
  Pre Post Pre Post
Social Phobia Scale 36.2 (15.4) 24.7 (15.2) *** 36.7 (15.4) 24.0 (15.3) ***
Social Interaction Anxiety Scale 54.8 (15.0) 43.0 (16.0) *** 54.9 (14.8) 41.8 (15.6) ***
Fear of Negative Evaluation1 24.6 (5.1) 22.1 (6.5) ** 24.3 (5.1) 20.8 (6.5) **
Brief Fear of Negative Evaluation2 33.2 (10.7) 28.1 (9.6) ** 33.4 (10.6) 27.6 (9.3) ***
FQ-spa 24.0 (6.2) 17.8 (7.8) *** 24.2 (6.2) 16.9 (8.1) ***
WHLSb 14.0 (6.1) 10.4 (6.3) *** 13.9 (6.1) 9.4 (6.3) ***
LSAS (total)c 76.2 (25.6) 59.6 (27.3) *** 77.2 (26.1) 58.5 (27.8) ***
   Fear of performance 20.8 (5.8) 16.3 (6.9) *** 20.9 (6.1) 15.9 (7.2) ***
   Avoidance of performance 17.3 (8.2) 11.5 (7.9) *** 17.8 (8.3) 11.1 (8.0) ***
   Fear of social interaction 20.0 (6.9) 17.5 (7.2) ** 20.1 (6.8) 17.3 (7.2) **
   Avoidance of social interaction 18.1 (7.9) 14.3 (8.5) *** 18.4 (7.8) 14.2 (8.4) ***
NEO Five Factor Index     
   Neuroticism 31.0 (9.0) - 31.6 (9.2) -
   Extroversion 21.8 (8.0) - 21.6 (8.1) -
   Conscientiousness 24.7 (7.7) - 24.6 (8.0) -
   Openness 30.5 (6.7) - 29.0 (5.3) -
   Agreeableness 24.2 (7.9) - 30.3 (6.8) -
Symptom Checklist-90 Revised     
   Somatization 0.7 (0.6) 0.5 (0.6) n.s. 0.7 (0.6) 0.5 (0.5) **
   Obsessive-compulsive 1.7 (0.9) 1.4 (0.9) ** 1.7 (0.9) 1.3 (0.8) **
   Interpersonal sensitivity 2.1 (0.8) 1.6 (0.9) *** 2.1 (0.8) 1.4 (0.9) ***
   Depression 1.6 (0.8) 1.2 (0.9) *** 1.6 (0.8) 1.1 (0.8) ***
   Anxiety 1.5 (0.8) 1.2 (0.9) ** 1.4 (0.8) 1.1 (0.9) **
   Hostility 0.8 (0.6) 0.6 (0.6) ** 0.8 (0.6) 0.6 (0.6) **
   Phobic anxiety 1.1 (0.8) 0.7 (0.7) *** 1.1 (0.8) 0.7 (0.6) ***
   Paranoid ideation 1.1 (0.8) 0.8 (0.9) ** 1.1 (0.7) 0.8 (0.8) **
   Psychoticism 0.8 (0.5) 0.6 (0.6) *** 0.9 (0.5) 0.6 (0.6) ***
  1. FQ-spa: Fear Questionnaire Social Phobia Subscale
  2. WHLSb: Work, Home and Leisure Activities Scale
  3. LSAS (total)c: Liebowitz Social Anxiety Scale (total)
  4. Fear of Negative Evaluation1: Number for ITT = 37, Number for Completers' analysis = 27
  5. Brief Fear of Negative Evaluation2: Number for ITT = 26, Number for Completers' analysis = 23
  6. (*** p < 0.001, **p < 0.01)