Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

315 questions · 315 findings · 30 reviews · Consumers and Communication

No studies found 68 · 21.6%GRADE not reported 45 · 14.3%Very low 50 · 15.9%Low 97 · 30.8%Moderate 51 · 16.2%High 4 · 1.3%

Intervention not reported

Knowledge [questionnaire (scored out of 80), measured immediately post‐intervention] · people with a health condition or nominally 'well' considering real or hypothetical clinical trial participation in cancer or psychiatric…

The intervention may leads to lower knowledge [questionnaire (scored out of 80), measured immediately… (low certainty).

1 finding from 1 review

Intervention not reported

Knowledge [scored correct answer to single question, measured immediately post‐intervention] · people with a health condition or nominally 'well' considering real or hypothetical clinical trial participation in cancer or psychiatric…

The intervention showed no clear difference in knowledge [scored correct answer to single question, measured… (low certainty).

1 finding from 1 review

Intervention not reported

Satisfaction with the information provided [single question, measured immediately post‐intervention] · people with a health condition or nominally 'well' considering real or hypothetical clinical trial participation in cancer or psychiatric…

The intervention may leads to higher satisfaction with the information provided [single question,… (low certainty).

1 finding from 1 review

Intervention not reported

Knowledge (Multi‐component intervention) [mean number of correct questionnaire responses, assessed immediately post‐intervention] · People with a health condition or nominally 'well' considering real clinical trial participation (across a range of topic areas)
1 finding from 1 review

Intervention not reported

Rate of participation [case notes, measured immediately post‐intervention] · people with a health condition or nominally 'well' considering real or hypothetical clinical trial participation in cancer or psychiatric…

The intervention showed no clear difference in rate of participation [case notes, measured immediately… (low certainty).

1 finding from 1 review

Intervention not reported

Satisfaction with the information provided (Single and multi‐component intervention) · People with a health condition or nominally 'well' considering real clinical trial participation (across a range of topic areas)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Anxiety, or other psychological distress (Single and multi‐component intervention) · People with a health condition or nominally 'well' considering real clinical trial participation (across a range of topic areas)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Satisfaction with the decision‐making process (single intervention) · People with a health condition or nominally 'well' considering real clinical trial participation (across a range of topic areas)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Satisfaction with the decision‐making process (multi‐component intervention) [questionnaire, assessed immediately post‐intervention] · People with a health condition or nominally 'well' considering real clinical trial participation (across a range of topic areas)
1 finding from 1 review