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Table 2 Bootstrapped Bias-corrected and Accelerated 95% confidence intervals of B for regression equations regarding change scores of depressive rumination, intrusive thoughts on the breathing focus task and positive rumination

From: The effect of mindfulness-based cognitive therapy on rumination and a task-based measure of intrusive thoughts in patients with bipolar disorder

 

B

Bias

SE

p-value

BCa 95% CI of B

Lower

Upper

Broodings subscale of RRS: RRS_br.T1–RRS_br.T0 = group + intercept

 Constant

1.58

− 0.005

1.32

0.25

− 1.09

4.19

 Group (MBCT + TAU vs TAU)

− 2.11

0.005

0.92

0.035

− 3.93

− 0.33

Negative intrusive thoughts on the BFT: BFT.neg.T1–BFT.neg.T0 = group + intercept

 Constant

2.00

0.005

1.00

0.064

0.20

3.98

 Group (MBCT + TAU vs TAU)

− 1.47

− 0.003

0.64

0.033

− 2.76

− 0.26

Neutral intrusive thoughts on the BFT: BFT.neutral.T1–BFT.neutral.T0 = group + intercept

 Constant

− 2.60

− 0.035

1.17

0.055

− 4.93

− 0.47

 Group (MBCT + TAU vs TAU)

1.93

0.023

0.84

0.047

0.29

3.78

Positive intrusive thoughts on the BFT: BFT.pos.T1–BFT.pos.T0 = group + intercept

 Constant

−  0.13

− 0.005

1.32

0.92

− 2.73

2.38

 Group (MBCT + TAU vs TAU)

0.33

0.007

1.01

0.75

− 1.61

2.55

Total intrusive thoughts on the BFT: BFT.total.T1–BFT.total.T0 = group + intercept

 Constant

− 0.73

0.023

1.60

0.67

− 3.94

2.52

 Group (MBCT + TAU vs TAU)

0.80

− 0.009

1.17

0.51

− 1.48

3.07

Emotion-focused subscale of RPA: RPA_ER.T1–RPA_ER.T0 = group + intercept

 Constant

0.71

− 0.013

1.44

0.63

− 1.80

3.31

 Group (MBCT + TAU vs TAU)

− 0.18

0.009

0.80

0.82

− 1.93

1.56

Self-focused subscale of RPA: RPA_SR.T1–RPA_SR.T0 = group + intercept

 Constant

2.39

0.015

1.45

0.11

− 0.55

5.36

 Group (MBCT + TAU vs TAU)

− 1.59

− 0.006

0.94

0.11

− 3.40

0.23

  1. B unstandardized regression coefficient, SE standard error, BCa bias-corrected and accelerated
  2. BFT breathing focus task, RRS ruminative response scale, RPA responses to positive affect, T0 baseline
  3. T1 post-treatment, MBCT mindfulness-based cognitive therapy, TAU treatment as usual