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Table 3 ANCOVA analyses showing changes and effect sizes in subscales of DERS, SCS, and FFMQ when comparing post values of MBCT and WLC statistically controlled for pre-intervention levels of the subscale under investigation

From: The effects of mindfulness-based cognitive therapy on risk and protective factors of depressive relapse – a randomized wait-list controlled trial

Variables

MBCT (n = 26)

WLC (n = 30)

 
 

M

SD

M

SD

F(1,53)

ES

DERS

 Non-acceptance

15.5

7.0

19.7

4.9

6.062*

0.69

 Strategies

20.5

6.8

24.5

7.4

5.968*

0.56

 Clarity

11.7

4.3

13.4

4.5

4.267*

0.39

 Goals

16.3

3.4

17.0

4.7

2.157

 Impulse

13.9

4.2

14.9

6.2

0.731

 Awareness

16.5

4.0

17.0

4.7

0.190

SCS

 Self-judgment

3.5

1.0

2.5

0.8

24.146***

1.10

 Over-identification

3.3

0.7

2.5

0.8

24.208***

1.06

 Self-kindness

2.8

1.0

2.1

0.6

14.532***

0.85

 Mindfulness

2.8

0.9

2.2

0.6

16.630***

0.78

 Common humanity

2.9

1.0

2.2

0.8

11.250***

0.77

 Isolation

3.2

1.1

2.8

1.0

3.419

FFMQ

 Non-judgment

3.3

0.8

2.6

0.7

7.509**

0.93

 Non-reactivity

3.0

0.7

2.6

0.5

6.33*

0.66

 Observe

3.5

0.6

3.2

0.7

4.551*

0.46

 Describe

3.1

1.0

3.1

0.8

2.308

 Act with awareness

2.8

0.6

2.7

0.7

0.227

  1. Abbreviations: MBCT Mindfulness Based Cognitive Therapy, WLC Waiting-list Control, M mean, SD standard deviation, ES effect size (Cohen’s d), DERS Difficulties in Emotion Regulation Scale, SCS Self-compassion Scale, FFMQ Five Facet Mindfulness Questionnaire; Scores on DERS, SCS and FFMQ ranges from 1 (Almost never) to 5 (Almost always). p < 0.05; p < 0.01; p < 0.001