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Table 4 Hayes process mediation model 4: regression and mediation coefficients

From: A randomized controlled trial of cognitive remediation for a national cohort of forensic patients with schizophrenia or schizoaffective disorder

n = 69 Change in Y C1: direct effect of X on Y before mediation C2: direct effect of X on Y after mediation A: indirect effect of X on Y mediated via M B: direct effect of M on Y adjusted for X
R 2 p Unstandardized effect size 95% CI Unstandardized effect size 95% CI Unstandardized effect size 95% CI Unstandardized effect size 95% CI
Model A
 X = Group
M = MCCBT1
0.49 .000 0.49 −4.69, 5.68 −1.10 −6.27, 4.05 1.60 0.12, 4.21 0.88 0.16, 1.60
Model B
 X = Group
M = MCCBT2
0.45 .000 −1.81 6.83, 3.20 −2.39 7.55, 2.77 0.55 −0.23, 2.63 0.30 0.32, 0.93
Model C
 X = Group
M = MCCBT1
0.12 0.04 0.06 0.36, 0.48 −0.08 0.50, 0.33 0.15 0.02, 0.38 0.07 0.02, 0.13
  1. Models A and B controlled for baseline MCCB and baseline SOFAS. Model C controlled for baseline MCCB and gender
  2. Model A: Y = SOFAS at end of treatment. Model B: Y = SOFAS at 8 months follow up. Model C: Y = number of net positive moves; Results in bold are statistically significant
  3. CI Confidence interval