Table 3

Percentage of reduction and effect size for symptom scales (Intention-to-treat and completers)


Intention-to-treat
Completers


% of reduction
Effect size
% of reduction
Effect size



Social Phobia Scale
30
0.75
33
0.83
Social Interaction Anxiety Scale
21
0.79
23
0.89
Fear of Negative Evaluation
9
0.49
12
0.68
Brief Fear of Negative Evaluation
12
0.48
20
0.54
FQ-spa
25
1.01
30
1.19





Liebowitz Social Anxiety Scale (total)
20
0.65
22
0.71
     Fear of performance
21
0.78
23
0.83
     Avoidance of performance
26
0.71
31
0.80
     Fear of social interaction
10
0.37
11
0.41
     Avoidance of social interaction
20
0.47
23
0.53





WHLSb
20
0.59
36
0.75

FQ-spa: Fear Questionnaire Social Phobia Subscale

WHLSb: Work, Home and Leisure Activities Scale

Chen et al. BMC Psychiatry 2007 7:69   doi:10.1186/1471-244X-7-69