Table 2 Post-hoc Analyses: Intervention Features
Aspects of intervention | Subgroup classification | Studies | Sample size (intervention/control) | Meta-analysis | Heterogeneity | Between groups tests | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Hedges’ g | 95% CI | Q | p | I2 | Q | p | ||||
Intervention theory | CBT | 9 | 617/645 | −0.39 | −0.58,-0.21 | 19.42 | 0.01 | 58.80% |  |  |
CBT + other therapies | 5 | 371/406 | −0.44 | −0.69,-0.19 | 10.38 | 0.03 | 61.47% |  |  | |
PST | 3 | 284/294 | −0.47 | −1.17,0.24 | 29.64 | 0.00 | 93.25% | 0.12 | 0.94 | |
Intervention time | t ≤ 6w | 5 | 173/217 | −0.26 | − 0.51,-0.02 | 5.68 | 0.22 | 29.62% |  |  |
6w<t ≤ 8w | 7 | 684/709 | −0.33 | −0.59.-0.08 | 33.37 | 0.00 | 82.02% |  |  | |
t > 8w | 6 | 461/465 | −0.73 | −0.95,-0.50 | 12.69 | 0.03 | 60.61% | 8.85 | 0.01 | |
Guidance | Therapist guidance group | 12 | 869/909 | −0.60 | −0.81,-0.38 | 50.93 | 0.00 | 78.40% |  |  |
non-therapist guidance group | 3 | 255/263 | −0.17 | −0.40,0.06 | 3.21 | 0.20 | 37.65% |  |  | |
Virtual health indicator guidance group | 2 | 174/183 | −0.27 | −0.58,0.05 | 2.29 | 0.13 | 56.30% | 7.49 | 0.02 | |
Adherence to the interventions | ≤ 90% | 15 | 1118/1192 | −0.35 | −0.49,-0.21 | 36.26 | 0.00 | 61.97% |  |  |
> 90% | 3 | 200/199 | −0.97 | −1.17,-0.76 | 1.06 | 0.59 | 0.00% | 23.60 | 0.00 | |