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Table 4 Estimated means and standard deviations of scores on social anxiety, depression and psychopathology measures at baseline (T0b), after 25 sessions and 12-months follow-up and effect sizes of between- and within-group differences

From: Transfer of manualized Short Term Psychodynamic Psychotherapy (STPP) for social anxiety disorder into clinical practice: results from a cluster-randomised controlled trial

Measures

  

Baseline

25 Sessions

Follow-up

ES (within-group) baseline – 25 sessions

ES (within-group) baseline – follow-up

  

Group

M (SD)

M (SD)

M (SD)

d [95% CI]

d [95% CI]

LSAS-OR

 

mSTPP

77.77 (23.43)

51.85 (23.25

42.87 (27.06)

-.946 [−1.32, −.57]

−1.228 [−1.83, −.62]

  

tauSTPP

69.15 (24.71)

55.93 (26.98)

38.18 (23.60)

-.445 [−.84, −.05]

−1.231 [−1.92, −.54]

 

ES (between); d [95% CI]

 

.36 [−.03, .75]

-.16 [−.65, .33]

.19 [−.57, .94]

  

LSAS-SRa

 

mSTPP

81.28 (27.70)

54.29 (28.28)

44.57 (27.59)

-.821 [−1.14, −.50]

−1.035 [−1.58, −.49]

  

tauSTPP

76.12 (23.94)

52.08 (23.76)

44.81 (22.69)

-.951 [−1.41, −.49]

−1.309 [−2.05, −.56]

 

ES (between); d [95% CI]

 

.20 [−.22, .62]

.08 [−.47, .64]

-.01 [−.78, .76]

  

SPAIb

 

mSTPP

5.36 (0.85)

4.38 (1.26)

3.92 (1.12)

−1.023 [−1.35, −0.69]

−1.211 [−1.85, −.57]

  

tauSTPP

4.94 (0.93)

4.22 (1.16)

3.67 (1.36)

-.668 [−1.01, −0.32]

−1.141 [−1.77, −.51]

 

ES (between); d [95% CI]

 

.47 [.04, .89]

.14 [−.38, .65]

.19 [−.54, .92]

  

BDIc

 

mSTPP

18.05 (8.14)

10.65 (7.08)

7.41 (6.38)

-.704 [−1.12, −.29]

−0.985 [−1.62, −.35]

  

tauSTPP

18.50 (10.29)

13.44 (9.44)

11.81 (13.03)

-.564 [−0.87, −.26]

−0.605 [−1.04, −.17]

 

ES (between); d [95% CI]

 

-.05 [−.47, .37]

-.33 [−.84, .18]

-.43 [−1.18, .32]

  

CGId

 

mSTPP

5.22 (0.73)

3.87 (1.02)

3.21 (1.31)

−1.908 [−2.57, −1.24]

−2.937 [−4.20, −1.67]

  

tauSTPP

4.80 (0.78)

3.63 (1.31)

3.08 (1.44)

−1.498 [−2.13, −.86]

−2.193 [−3.29, −1.10]

 

ES (between); d [95% CI]

 

.55 [.15, .95]

.21 [−.32, .73]

.10 [−.69, .89]

  

EQ-5De

 

mSTPP

48.47 (32.81)

55.00 (36.36)

77.27 (15.42)

.073 [−.33, .47]

.782 [−.08, 1.64]

  

tauSTPP

59.68 (26.39)

61.90 (31.82)

49.14 (38.47)

.142 [−.22, .51]

-.719 [−1.34, −.10]

 

ES (between); d [95% CI]

 

-.38 [−.77, .02]

-.20 [−.67, .27]

.90 [.20, 1.61]

  
  1. A posteriori power for the difference after 25 sessions and baseline (α = 5% one-sided, two-sample t-test): a 17%, b 55% c 42% d 55% e 24%
  2. Analysis Set = mITT Population (N = 105)