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Table 3 Changes in the self-reported questionnaire scores during the 8-week MBSR-program (Mindfulness-Based Stress Reduction)

From: Mindfulness is associated with improved psychological well-being but no change in stress biomarkers in breast cancer survivors with depression: a single group clinical pilot study

Measure

Time

N

Mean score (SD)

Mean change (95% CI) compared to baseline

Effect size, Cohen’s d

T-statistics

p-value*

F-statistics

Global p-value for time effect

Resilience Scale

Baseline

19

86.3 (10.8)

–

  

–

 

0.005

4 weeks

18

85.1 (13.5)

− 0.9 (− 7.2 to 5.5)

− 0.08

− 0.32

0.92

7.38

8 weeks

17

92.8 (11.7)

6.5 (0.9 to 12.1)

0.60

2.78

0.02

 

Self-Compassion Scale (short form) SCS-SF

Baseline

18

38.9 (3.4)

–

  

–

 

0.35

4 weeks

17

40.0 (3.0)

1.1 (− 0.7 to 2.8)

0.31

1.43

0.28

1.11

8 weeks

16

39.3 (3.9)

0.3 (− 1.4 to 2.0)

0.09

0.41

0.88

 

Five Facet Mindfulness Questionnaire (FFMQ)

Baseline

19

74.1 (7.0)

–

  

–

 

0.41

4 weeks

17

75.2 (6.9)

0.7 (− 2.9 to 4.3)

0.10

0.45

0.83

0.93

8 weeks

17

73.4 (4.6)

− 0.6 (− 3.6 to 2.3)

− 0.09

− 0.51

0.80

 

Perceived Stress Scale (PSS)

Baseline

19

20.9 (3.1)

–

  

–

 

0.09

4 weeks

18

21.2 (3.0)

0.3 (− 0.9 to 1.6)

0.10

0.62

0.79

2.76

8 weeks

17

19.6 (3.7)

− 1.2 (− 2.6 to 0.1)

− 0.40

− 2.18

0.08

 

WHO Quality of Life (WHOQOL-BREF)

Baseline

19

82.5 (6.5)

–

  

–

 

0.002

4 weeks

18

83.9 (13.0)

2.4 (− 2.6 to 7.4)

0.37

1.11

0.4

8.77

8 weeks

17

88.7 (10.1)

6.0 (2.0 to 10.0)

0.92

3.48

0.005

 

Beck Depression Inventory (BDI)

Baseline

19

16.1 (5.2)

–

  

–

 

 < 0.0001

4 weeks

17

14.1 (6.3)

− 2.2 (− 5.6 to 1.1)

− 0.43

− 1.55

0.2

22.05

8 weeks

17

9.6 (4.6)

− 6.1 (− 9.0 to − 3.3)

− 1.17

− 5.04

0.0002

 

Beck Anxiety Inventory (BAI)

Baseline

19

12.4 (5.4)

–

  

–

 

 < 0.0001

4 weeks

18

11.9 (5.2)

− 0.6 (− 2.7 to 1.6)

− 0.10

− 0.62

0.71

20.16

8 weeks

17

7.5 (4.0)

− 4.7 (− 7.2 to − 2.2)

− 0.87

− 4.49

0.0006

 

Insomnia Severity Index (ISI)

Baseline

19

11.7 (5.7)

–

  

–

 

0.006

4 weeks

18

10.4 (5.4)

− 1.5 (− 3.5 to 0.6)

− 0.25

− 1.69

0.19

6.99

8 weeks

17

8.8 (5.1)

− 3.3 (− 5.5 to − 1.2)

− 0.58

− 3.71

0.0033

 
  1. SD Standard Deviation, CI Confidence Interval
  2. *p-value for mean change at 4 and 8 weeks compared to the baseline (Dunnett`s adjustment method); repeated measures analysis of variance