|  | All | Randomised Group | Between-group difference (Li-CBT – PCC) | |
---|---|---|---|---|---|
PCC | Li-CBT | ||||
Baseline | Â | Â | Â | Â | Â |
 | Mean (SD) | 0.67 (0.21) | 0.66 (0.19) | 0.69 (0.23) |  |
3Â months | |||||
 | Mean (SD) | 0.76 (0.13) | 0.77 (0.10) | 0.75 (0.15) |  |
  Change from baseline | Estimate (95 % CI) | 0.09 (0.04, 0.15) | 0.13 (0.01, 0.24) | 0.07 (0.00, 0.14) | 0.05 (−0.07, 0.18) |
  Hedges' g | Estimate (95 % CI) | −0.43 (−1.01, 0.14) | −0.58 (−1.50, 0.34) | −0.30 (−1.11, 0.51) | 0.42 (0.60, 1.44) |
 | p-value | p = 0.003 | p = 0.032 | p = 0.049 | p = 0.369 |
6Â months | |||||
 | Mean (SD) | 0.75 (0.17) | 0.79 (0.10) | 0.70 (0.22) |  |
  Change from baseline | Estimate (95 % CI) | 0.12 (0.05, 0.18) | 0.16 (0.05, 0.28) | 0.07 (−0.01, 0.15) | 0.10 (−0.04, 0.23) |
  Hedges' g | Estimate (95 % CI) | −0.37 (−0.89, 0.16) | −0.78 (−1.56, 0.01) | −0.07 (−0.85, 0.71) | 0.57 (−0.29, 1.43) |
 | p-value | p = 0.001 | p = 0.007 | p = 0.095 | p = 0.146 |