Table 3 Moderator analysis
Moderators | No of comparisons | Hedges’ g | 95%CI | Q Between | P value | I2 |
|---|---|---|---|---|---|---|
Risk of bias | 27 | −0.5 | −0.62 to −0.38 | 1.45 | 0.23 |  |
 High | 1 | −0.38 | −0.61 to −0.14 |  |  | 0 |
 Some concerns | 26 | −0.54 | −0.68 to −0.41 |  |  | 66.46 |
Type of control | 27 | −0.37 | −0.45 to −0.28 | 24.74 | < .001* |  |
 Active control | 2 | −0.34 | −0.84 to 0.16 |  |  | 0 |
 Enhanced TAU | 6 | −0.21 | −0.32 to −0.10 |  |  | 0 |
 TAU | 18 | −0.64 | −0.80 to −0.49 |  |  | 59.41 |
 WLC | 1 | −1.05 | −1.71 to −0.40 |  |  | 0 |
Length of follow up | 27 | −0.47 | −0.58 to −0.36 | 4.75 | 0.09 |  |
 Long | 2 | −0.3 | −0.52 to −0.09 |  |  | 0 |
 Medium | 13 | −0.47 | −0.65 to −0.29 |  |  | 62.96 |
 Short | 12 | −0.64 | −0.86 to −0.42 |  |  | 66.62 |
Severity of depression at baseline | 25 | −0.52 | −0.62 to −0.43 | 4.59 | 0.1 |  |
 Mild | 2 | −0.28 | −0.53 to −0.03 |  |  | 21.11 |
 Moderate | 18 | −0.62 | −0.82 to −0.41 |  |  | 75.10 |
 Severe | 5 | −0.55 | −0.66 to −0.43 |  |  | 0 |
Type of CBT intervention | 27 | −0.43 | −0.53 to −0.32 | 9.50 | 0.02* |  |
 BA | 5 | −0.33 | −0.54 to −0.21 |  |  | 73.63 |
 CBT | 19 | −0.57 | −0.71 to −0.42 |  |  | 41.98 |
 PS | 2 | −1.24 | −2.70 to 0.23 |  |  | 92.53 |
 PS & BA | 1 | −0.21 | −0.42 to −0.01 |  |  | 0 |
Interventions including social components | 27 | −0.53 | −0.66 to −0.40 | 0.39 | 0.53 |  |
 No | 15 | −0.58 | −0.77 to −0.38 |  |  | 68.06 |
 Yes | 12 | −0.49 | −0.67 to −0.31 |  |  | 66.87 |
Interventions including parenting components | 27 | −0.49 | −0.62 to −0.37 | 1.4 | 0.24 |  |
 No | 25 | −0.48 | −0.61 to −0.36 |  |  | 61.04 |
 Yes | 2 | −1.02 | −1.89 to −0.15 |  |  | 83.28 |
Method of delivery | 27 | −0.54 | −0.64 to −0.44 | 1.66 | 0.65 |  |
 Group | 7 | −0.55 | −0.80 to −0.30 |  |  | 59.53 |
 Individual High Intensity | 14 | −0.47 | −0.66 to −0.28 |  |  | 69.61 |
 Guided/minimal contact self-help | 5 | −0.72 | −1.08 to −0.37 |  |  | 42.44 |
 Self-administered self-help | 1 | −0.55 | −0.68 to −0.41 |  |  | 0 |
Point of intervention | 27 | −0.53 | −0.66 to −0.41 | 0.31 | 0.58 |  |
 Prenatal | 11 | −0.48 | −0.70 to −0.27 |  |  | 54.33 |
 Postnatal | 15 | −0.57 | −0.74 to −0.40 |  |  | 70.67 |
Professional delivering intervention | 26 | −0.37 | −0.44 to −0.29 | 23.19 | < .001* |  |
 Health provider | 5 | −0.35 | −0.50 to −0.20 |  |  | 0 |
 Mental health provider | 15 | −0.56 | −0.69 to −0.43 |  |  | 0 |
 Mixed providers | 3 | −1.31 | −2.20 to −0.42 |  |  | 86.76 |
 Non-specialist providers | 3 | −0.17 | −0.30 to −0.05 |  |  | 0 |
Post hoc moderator | Â | |||||
Low middle income country | 27 | −0.53 | −0.64 to −0.42 | 0.05 | 0.82 |  |
 Yes | 5 | −0.49 | −0.85 to −0.13 |  |  | 35.15 |
 No | 22 | −0.53 | −0.65 to −0.42 |  |  | 87.13 |