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Table 1 Changes in depression severity (symptomatology and thoughts) over time for groups that finished the study (n = 38) during the 6-month trial

From: Distorted thoughts as a mediator of depressive symptoms in patients with major depressive disorder: a longitudinal study

Test

Week 1

Week 8

Week 12

Week 24

F

p-value

η2

HAMD

19.7 (4.5)

6.8 (4.0)

7.9 (5.0)

4.8 (4.6)

100.35

 < .001

.73

MADRS

25.4 (6.9)

11.0 (7.6)

9.1 (7.5)

6.1 (6.7)

68.87

 < .001

.66

BDI-II

35.8 (7.0)

14.1 (10.1)

14.1 (8.9)

11.6 (9.2)

68.05

 < .001

.76

DTS-F1

36.3 (6.3)

25.1 (7.5)

26.2 (8.7)

26.0 (8.3)

25.36

 < .001

.56

DTS-F2

21.4 (4.3)

17.2 (4.1)

16.5 (5.3)

16.9 (5.5)

10.94

 < .001

.33

  1. Repeated measures ANOVA within-subjects effects. Type III partial sum of squares was selected because it takes interactions into account. Here, the repeated measures factors of interest and their associated levels can be labeled. η2 = eta-squared as an estimate of the effect size
  2. HAMD Hamilton Scale of Depression, MADRS Montgomery Asberg depression scale, BDI-II Beck Depression Scale 2nd Edition, DTS Depressive Thoughts Scale, DTS-F1 Factor 1 (low self-esteem/ hopelessness), DTS-F2 factor 2 (interpersonal relationship)
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Health and Quality of Life Outcomes

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