Table 4.
Comparison between internet cognitive behavioral therapy and other types of CBT approach.
| Study | Experimental group | Comparison group | Hedges's g | 95% CI | Major finding |
|---|---|---|---|---|---|
| Kong et al. [53] | i-CBT | g-CBT | −0.48 | −0.75 to −0.20 | Greater significant improvement in depressive symptoms in the i-CBT group compared to the g-CBT group |
| Spek et al. [57] | i-CBT | g-CBT | −0.20 | −0.55 to 0.15 | There was a significant improvement in depressive symptoms, but no significant difference between the i-CBT and g-CBT groups |
| Ying et al. [61] | i-CBT | in-CBT | −0.26 | −0.52 to 0.01 | Greater significant improvement in depressive symptoms in the i-CBT group compared to the in-CBT group |
| Zarski et al. [62] | i-CBT | in-CBT | −0.18 | −0.38 to 0.02 | There was a significant improvement in depressive symptoms, but no significant difference between the i-CBT and in-CBT groups |
| Overall: I2 = 4%, g = −0.27, Sig (p=0.37) | −0.27 (−0.41 to −0.13) |
Abbreviations: CBT, cognitive behavioral therapy; CI, confidence interval; g-CBT, group cognitive behavioral therapy; i-CBT, internet cognitive behavioral therapy; in-CBT, individual cognitive behavioral therapy; NS, no significant difference; TAU, treatment as usual; WL, waitlist.