Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

289 questions · 326 findings · 19 reviews · Drugs and Alcohol

No studies found 13 · 4%GRADE not reported 33 · 10.1%Very low 108 · 33.1%Low 109 · 33.4%Moderate 52 · 16%High 11 · 3.4%

Intervention not reported

Cannabis use frequency at short‐term · adults with cannabis use disorder or frequent cannabis use

The intervention probably leads to higher cannabis use frequency at short‐term (moderate certainty).

1 finding from 1 review

Intervention not reported

Point‐prevalence abstinence rates at short‐term · adults with cannabis use disorder or frequent cannabis use

The intervention may leads to higher point‐prevalence abstinence rates at short‐term (low certainty).

1 finding from 1 review

Intervention not reported

Cannabis use quantity per day at short‐term · adults with cannabis use disorder or frequent cannabis use

It is very uncertain whether the intervention changes cannabis use quantity per day at short‐term (very low certainty).

1 finding from 1 review

Intervention not reported

Symptoms of dependence at short‐term · adults with cannabis use disorder or frequent cannabis use

The intervention may leads to higher symptoms of dependence at short‐term (low certainty).

1 finding from 1 review

Intervention not reported

Cannabis‐related problems at short‐term · adults with cannabis use disorder or frequent cannabis use

The intervention may leads to higher cannabis‐related problems at short‐term (low certainty).

1 finding from 1 review

Intervention not reported

Retention in treatment · adults with cannabis use disorder or frequent cannabis use
1 finding from 1 review