Table 3.
Summary of meta-analysis results for the therapeutic approach to prevention programs.
| Program | Post Intervention | 3–9 Month Follow-up | 12-Month Follow-up | |||
|---|---|---|---|---|---|---|
| Depressive disorder (RD) | Depression symptoms (SMD) | Depressive disorder (RD) | Depression symptoms (SMD) | Depressive disorder (RD) | Depression symptoms (SMD) | |
| CBT | 14 studies; 16 intervention arms; N = 1776 RD −0.11; 95% CI −0.17 to −0.05 I2 = 66% |
39 studies; 39 intervention arms; N = 11630 SMD −0.12; 95% CI −0.24 to −0.01 I2 = 86% |
14 studies; 18 intervention arms; N = 2254 RD −0.11; 95% CI −0.15 to −0.06 I2 = 46% |
27 studies; 33 intervention arms; N = 6351 SMD −0.09; 95% CI −0.25 to 0.07 I2 = 87% |
9 studies; 10 intervention arms; N = 1149 RD−0.08; 95% CI −0.16 to -0.00 I2 = 75% |
16 studies; 21 intervention arms; N = 5047 SMD −0.11; 95% CI −0.17 to −0.04 I2 = 13% |
| IPT | 2 studies; 2 intervention arms; N = 265 RD 0.09; 95% CI −0.35 to 0.17 |
3 studies; 3 intervention arms; N = 327SMD −0.54; 95% CI −0.94 to −0.13 I2 = 67% |
2 studies; 2 intervention arms; N = 252 RD −011; 95% CI −0.19 to −0.04 I2 = 0% |
3 studies; 4 intervention arms; N = 327 SMD −0.26 [−0.62, 0.10] |
NA | 1 study; 1 intervention; N = 41 SMD −0.56 [−1.22, 0.10] |
| Other | 4 studies; 5 intervention arms; N = 1843 RD −0.01; 95% CI −0.05 to 0.02 |
5 studies; 9 intervention arms; N = 2178 SMD −0.21; 95% CI −0.39 to −0.03 I2 = 52% |
3 studies; 5 intervention arms; N = 623 RD −0.02; 95% CI −0.11 to 0.07 |
4 studies; 9 intervention arms; N = 766 SMD −0.08; 95% CI −0.23 to 0.07 |
2 studies; 2 intervention arms; N = 1363 RD 0.01; 95% CI −0.03, 0.05 |
2 studies; 2 intervention arms; N = 1375 SMD 0.14; 95% CI 0.03 to 0.24 I2 =0% |
| Subgroup differences | χ2 = 8.86, | χ2 = 2.85, | χ2 = 3.18, | χ2 = 0.83, | χ2 = 4.13, | χ2 = 17.07, |
| p = 0.01 | p = 0.24 | p = 0.20 | p = 0.66 | p = 0.04 | p = 0.0002 | |
RD: Risk Difference; SMD: Standardised Mean Difference; Bold font indicates significant results.