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Summary of the Strength of Evidence
| Intervention | Risk of Bias: Design/Quality | Consistency | Directness | Precision | Standardized mean difference (95% CI) and strength of evidence |
|---|---|---|---|---|---|
| Brief CBT | RCTs/Fair | Consistent | Direct | Some imprecision | −0.42 (−0.74 to −0.10) Moderate |
| Brief PST | RCTs/Good | Consistent | Direct | Some imprecision | −0.26 (−0.49 to 0.03) Moderate |
| MBCT | RCT/Good | NA | Direct | Serious imprecision | Low |
| Other therapies | NA | NA | NA | NA | Insufficient |
