Table 5.
Overall time effects and effect sizes across conditions.
| Measures | Scales | iCBTa (n=651) |
iMINDb (n=604) |
Overall time effect | |||||
|
|
|
Cohen's dc | Cohen's d | Post versus pre mean difference (95% CI) |
P value | Follow-up versus pre mean difference (95% CI) |
P value | ||
|
|
|
Post versus pre | Follow-up versus pre | Post versus pre | Follow-up versus pre |
|
|
|
|
| Mental health measures |
|
|
|
|
|
|
|
|
|
|
|
WBId | 0.86 | 0.81 | 0.79 | 0.65 | −0.83 (−0.996 to −0.66) | <.001 | −0.73 (−0.94 to 0.51) | <.001 |
|
|
MHIe | 0.70 | 0.46 | 0.51 | 0.20 | −0.46 (−0.59 to −0.33) | <.001 | −0.25 (−0.41 to −0.09) | .001 |
|
|
SWLSf | 0.55 | 0.64 | 0.52 | 0.61 | −0.77 (−0.96 to −0.59) | <.001 | −0.85 (−1.08 to −0.62) | <.001 |
| Physical health measures |
|
|
|
|
|
|
|
|
|
|
|
Energy | 0.56 | 0.58 | 0.45 | 0.49 | −12.60 (16.54-8.67) | <.001 | −13.42 (−18.37 to −8.47) | <.001 |
|
|
Sleep disturbance |
0.41 | 0.46 | 0.44 | 0.31 | 8.12 (5.66-10.58) | <.001 | 7.46 (4.39-10.53) | <.001 |
|
|
Pain | 0.21 | 0.12 | 0.11 | 0.20 | 3.95 (0.27-7.63) | .03 | 3.95 (−0.67 to 8.57) | .12 |
aiCBT: Internet-based cognitive behavioral training program.
biMIND: Internet-based mindfulness training program.
cCohen's d was computed from postprogram or 3-month follow-up score minus preprogram score divided by the pooled standard deviation.dWBI: Well-Being Index.eMHI: Mental Health Inventory.fSWLS: Satisfaction with Life Scale.