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Table 2 Descriptive statistics of means, SDs and effect sizes (Cohenā€™s d ) for measures of depression, anxiety and quality of life

From: Choosing between Internet-based psychodynamic versus cognitive behavioral therapy for depression: a pilot preference study

Ā Ā 

Mean (SD)

Effect size d(95% CI)

Outcome measure

Group

Pre ctrl

Post ctrl/Pre tx

Post tx

7-month follow-up

Between-group, Post tx

Between-group, 7mo

Within-group, Pre tx ā€“ Post tx

Within-group, Post tx - 7mo

BDI-II

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

26.10 (6.7)

19.57 (8.0)

12.26 (6.6)

10.36 (10.6)

0.33 (āˆ’0.42 ā€“ 1.07)

0.45 (āˆ’0.23 ā€“ 1.14)

1.04 (0.61 ā€“ 1.48)

0.20 (āˆ’0.10 ā€“ 0.50)

Ā 

IPDT

26.29 (6.8)

22.29 (7.4)

14.60 (8.5)

15.42 (12.6)

Ā Ā 

1.06 (0.45 ā€“ 1.67)

āˆ’0.13 (āˆ’0.69 ā€“ 0.43)

MADRS-S

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

24.17 (4.6)

18.30 (6.8)

12.78 (7.8)

11.11 (8.2)

0.28 (āˆ’0.46 ā€“ 1.03)

0.32 (āˆ’0.36 ā€“ 1.00)

0.88 (0.43 ā€“ 1.34)

0.18 (āˆ’0.13 ā€“ 0.49)

Ā 

IPDT

22.64 (5.9)

19.93 (5.4)

14.90 (6.7)

13.75 (8.4)

Ā Ā 

0.90 (0.21 ā€“ 1.58)

0.00 (āˆ’0.44 ā€“ 0.44)

PHQ-9

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

13.03 (4.0)

10.63 (5.1)

6.17 (5.1)

5.75 (6.0)

0.11 (āˆ’0.63 ā€“ 0.85)

0.36 (āˆ’0.32 ā€“ 1.04)

1.02 (0.46 ā€“ 1.57)

0.19 (āˆ’0.12 ā€“ 0.50)

Ā 

IPDT

14.14 (5.1)

11.93 (3.9)

6.70 (4.3)

7.92 (6.4)

Ā Ā 

1.08 (0.65 ā€“ 1.51)

āˆ’0.21 (āˆ’0.56 ā€“ 0.15)

GAD-7

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

8.60 (3.8)

7.33 (4.8)

5.09 (4.3)

3.71 (4.9)

0.14 (āˆ’0.61 ā€“ 0.88)

0.70 (0.00 ā€“ 1.39)

0.56 (0.15 ā€“ 0.97)

0.27 (0.01 ā€“ 0.53)

Ā 

IPDT

7.57 (4.7)

8.71 (5.2)

5.70 (4.9)

7.08 (4.8)

Ā Ā 

0.63 (āˆ’0.05 ā€“ 1.31)

āˆ’0.45 (āˆ’1.07 ā€“ 0.17)

BAI

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

19.13 (10.0)

12.67 (8.6)

9.43 (8.1)

7.93 (9.9)

0.22 (āˆ’0.53 ā€“ 0.96)

0.38 (āˆ’0.30 ā€“ 1.06)

0.39 (0.04 ā€“ 0.75)

0.09 (āˆ’0.24 ā€“ 0.42)

Ā 

IPDT

18.07 (9.7)

15.29 (9.9)

11.10 (6.6)

11.83 (11.0)

Ā Ā 

0.61 (āˆ’0.13 ā€“ 1.35)

āˆ’0.23 (āˆ’0.74 ā€“ 0.28)

QOLI

Ā Ā Ā Ā Ā Ā Ā Ā Ā 
Ā 

ICBT

āˆ’0.07 (1.1)

0.15 (1.5)

0.58 (1.6)

1.49 (1.7)

0.32 (āˆ’0.43 ā€“ 1.07)

0.67 (āˆ’0.02 ā€“ 1.36)

0.45 (0.06 ā€“ 0.83)

0.45 (0.13 ā€“ 0.78)

Ā 

IPDT

āˆ’0.19 (1.6)

0.33 (1.4)

0.09 (1.2)

0.46 (1.1)

Ā Ā 

0.22 (āˆ’0.14 ā€“ 0.57)

āˆ’0.20 (āˆ’0.56 ā€“ 0.16)

  1. Note: Pre ctrlā€‰=ā€‰Time point before original trial started; Post ctrl/Pre txā€‰=ā€‰Time point at the end of the original trial period which also served as pre-treatment assessment in this study; Post txā€‰=ā€‰Time point at the end of the treatment period; BDI-IIā€‰=ā€‰Beck Depression Inventory-II; MADRS-Sā€‰=ā€‰Montgomery ƅsberg Depression Rating Scale - Self Rated; PHQ-9ā€‰=ā€‰9-item Patient Health Questionnaire Depression Scale; GAD-7ā€‰=ā€‰7-item Patient Health Questionnaire Generalized Anxiety Disorder Scale; BAIā€‰=ā€‰Beck Anxiety Inventory; QOLIā€‰=ā€‰Quality of Life Inventory; ICBTā€‰=ā€‰Internet-based cognitive-behavioral therapy; IPDTā€‰=ā€‰Internet-based psychodynamic therapy.
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BMC Psychiatry

ISSN: 1471-244X

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