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Table 1 Corrected mixed-regression based estimated means, standard errors (in parentheses) and within- and between-group effect sizes (Cohen’s d) at 12 m follow-up

From: One year follow-up and mediation in cognitive behavioral therapy and acceptance and commitment therapy for adult depression

Measure Condition Pre
M (SE)
Post
M (SE)
6 m FU
M (SE)
12 m FU
M (SE)
Within-group
d
Between-group
da
QIDS-SR ACT 14.96 (0.92) 7.89 (0.88) 7.24 (0.84) 7.52 (0.87) −1.26* −0.25
CBT 14.61 (0.99) 6.31 (0.96) 7.15 (0.94) 5.66 (0.94) −1.60*
EUROHIS ACT 20.16 (0.93) 24.95 (0.85) 24.33 (0.79) 25.24 (0.85) 0.91* 0.48
CBT 20.79 (1.00) 26.10 (0.94) 26.46 (0.87) 27.38 (0.92) 1.28*
  1. Note. ACT Acceptance and Commitment Therapy, CBT Cognitive Behavioral Therapy, EUROHIS European Health Interview Surveys Quality of Life Scale, QIDS-SR Quick Inventory for Depressive Symptomatology Self-Rated
  2. a Cohen’s d pre- treatment to 1-year follow-up effect size
  3. * p < .001