Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

556 questions · 586 findings · 44 reviews · Common Mental Disorders · Headline outcomes only

No studies found 149 · 25.4%GRADE not reported 19 · 3.2%Very low 180 · 30.7%Low 160 · 27.3%Moderate 66 · 11.3%High 12 · 2%

Evidence‐based psychological interventions vs any comparator

Diagnosis of depression · Children or adolescents

Evidence‐based psychological interventions probably leads to lower evidence‐based psychological interventions versus any comparator… compared with any comparator (moderate certainty).

3 findings from 1 review

Evidence‐based psychological interventions vs any comparator

Evidence‐based psychological interventions versus any comparator (Universal programmes) ‐ self‐rated depression scores (higher score is equivalent to a poorer outcome) · Children or adolescents
1 finding from 1 review

Non‐trauma‐focused psychological intervention for PTSD and SUD or PTSD only vs control intervention

Drug or alcohol use, or both following treatment completion ‐ Group‐based intervention As assessed by the ASI, TLFB or CIDI. High scores indicate greater symptom severity · Individuals with post‐traumatic stress disorder and comorbid substance use disorder
1 finding from 1 review

Non‐trauma‐focused psychological intervention for PTSD and SUD or PTSD only vs control intervention

Treatment completers ‐ Individual‐based intervention · Individuals with post‐traumatic stress disorder and comorbid substance use disorder

The review found no eligible studies for this question.

1 finding from 1 review

Non‐trauma‐focused psychological intervention for PTSD and SUD or PTSD only vs control intervention

Treatment completers ‐ Group‐based intervention · Individuals with post‐traumatic stress disorder and comorbid substance use disorder

Non‐trauma‐focused psychological intervention for PTSD and SUD or… showed no clear difference in treatment completers ‐ Group‐based intervention compared with control intervention (low certainty).

1 finding from 1 review

Non‐trauma‐focused psychological intervention for PTSD and SUD or PTSD only vs control intervention

Severity of PTSD symptoms · Individuals with post‐traumatic stress disorder and comorbid substance use disorder
2 findings from 1 review

Non‐trauma‐focused psychological intervention for PTSD and SUD or PTSD only vs control intervention

Drug or alcohol use, or both following treatment completion ‐ Individual‐based intervention · Individuals with post‐traumatic stress disorder and comorbid substance use disorder

The review found no eligible studies for this question.

1 finding from 1 review