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Table 2 Outcomes of simple mediation analyses from baseline to post-treatment assessing indirect effects of the ACT intervention through process variables on the outcome measure CES-D compared to both control conditionsa

From: How and for whom does web-based acceptance and commitment therapy work? Mediation and moderation analyses of web-based ACT for depressive symptoms

    

Bootstrap results for indirect effects (95 % CI)

 

c’-path

a-path

b-path

ab

Lower

Upper

ACT vs WLC

 Psychological flexibility

−2.81*

4.39***

−0.44***

−1.9220*

−3.22

−1.01

 FFMQ - observing

−4.18***

0.76*

−0.73**

−0.5584*

−1.37

−0.09

 FFMQ - describing

−4.16***

1.41**

−0.41

−0.5740*

−1.56

−0.04

 FFMQ - acting with awareness

−4.73***

0.05

−0.14

−0.0064

−0.34

0.16

 FFMQ - non-judging of inner experience

−3.89**

1.43*

−0.59***

−0.8483*

−2.06

−0.04

 FFMQ - non-reactivity to inner experience

−3.41**

2.58***

−0.51**

−1.3224*

−2.54

−0.53

ACT vs EW

 Psychological flexibility

−2.02

1.89

−0.36***

−0.6816

−1.50

0.09

 FFMQ - observing

−2.72*

−0.08

−0.24

0.0184

−0.14

0.40

 FFMQ - describing

−2.52*

0.52

−0.36

−0.1872

−0.89

0.07

 FFMQ - acting with awareness

−2.70*

−0.53

0.00

−0.0005

−0.00

0.33

 FFMQ - non-judging of inner experience

−1.92

0.94

−0.83***

−0.7794

−1.91

0.02

 FFMQ - non-reactivity to inner experience

−1.72

1.37**

−0.72***

−0.9876*

−2.12

−0.31

  1. ACT Acceptance and Commitment Therapy, WLC Waiting List Condition, EW Expressive Writing, CES-D Center for Epidemiological Studies – Depression Scale, FFMQ Five Facet Mindfulness Questionnaire
  2. aValues are unstandardized Betas;* Significant at p < .05; ** Significant at p < .01; *** Significant at p < .001