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Table 2 Mean symptom scores at follow-ups and effect sizes in comparison with those at baseline

From: Change in quality of life and their predictors in the long-term follow-up after group cognitive behavioral therapy for social anxiety disorder: a prospective cohort study

   Pre-treatment Post-treatment 3-month FU 12-month FU
Number of the patients 57 48 44 40
SF-36      
Physical functioning Score 87.9 (14.5) 89.8 (14.5) 89.3 (15.4) 90.6 (14.8)
  ES   0.10 (-0.32, 0.51) 0.02 (-0.41, 0.46) 0.15 (-0.30, 0.59)
Role-physical Score 68.3 (38.3) 72.8 (34.5) 78.0 (35.0) 81.9 (31.5)*
  ES   0.06 (-0.36, 0.48) 0.27 (-0.17, 0.70) 0.39 (-0.06, 0.84)
Bodily pain Score 69.7 (26.1) 70.8 (21.8) 75.1 (23.9)* 67.3 (24.6)
  ES   0.24 (-0.19, 0.65) 0.32 (-0.12, 0.75) 0.12 (-0.32, 0.57)
General health perception Score 45.7 (22.1) 53.2 (22.3)* 54.3 (24.7)* 55.1 (24.4)*
  ES   0.28 (-0.14, 0.70) 0.35 (-0.09, 0.78) 0.44 (-0.02, 0.89)
Vitality Score 39.0 (21.0) 49.2 (17.8)** 46.5 (24.6)** 45.3 (22.4)*
  ES   0.51 (0.08, 0.93) 0.36 (-0.08, 0.79) 0.29 (-0.17, 0.74)
Social functioning Score 56.9 (29.1) 68.6 (29.6)* 67.3 (28.9) 66.3 (26.6)
  ES   0.30 (-0.12, 0.72) 0.26 (-0.17, 0.70) 0.28 (-0.17, 0.72)
Role-emotional Score 54.8 (40.9) 61.5 (43.8) 67.5 (38.4) 60.8 (43.3)
  ES   0.07 (-0.35, 0.49) 0.31 (-0.13, 0.75) 0.08 (-0.36, 0.52)
Mental health Score 46.6 (18.6) 54.4 (16.6)* 55.4 (21.3)* 54.7 (23.9)*
  ES   0.39 (-0.04, 0.81) 0.40 (-0.04, 0.83) 0.32 (-0.13, 0.77)
SPS (total) Score 36.3 (14.2) 24.9 (14.8)** 20.4 (11.0)** 21.8 (12.7)**
  ES   -0.69 (-1.10, -0.28) -1.14 (-1.59, -0.68) -0.96 (-1.41, -0.50)
SIAS (total) Score 52.7 (13.9) 41.4 (15.6)** 37.8 (13.1)** 38.4 (15.5)**
  ES   -0.71 (-1.12, -0.29) -1.00 (-1.44, -0.54) -0.87 (-1.32, -0.41)
SCL-90-R depression Score 1.52 (0.86) 0.96 (0.75)** 1.08 (0.86)** 1.09 (0.97)**
  ES   -0.66 (-1.07, -0.24) -0.44 (-0.86, -0.01) -0.45 (-0.89, 0.00)
  1. Scores are presented with SDs (in parentheses), and ESs with their 95% confidence intervals. ES calculations and paired t tests were conducted for completers at each time point, by comparing scores with those at baseline.
  2. Appendices: ES, effect size; FU, follow-up; SCL-90-R, Symptom Checklist-90-Revised; SF-36, Short Form 36; SIAS, Social Interaction Anxiety; SPS, Social Phobia Scale
  3. (* P < 0.05, ** P < 0.005)