Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

433 questions · 433 findings · 31 reviews · Consumers and Communication

No studies found 145 · 33.5%GRADE not reported 19 · 4.4%Very low 97 · 22.4%Low 124 · 28.6%Moderate 46 · 10.6%High 2 · 0.5%

Intervention not reported

Adverse outcome: unintended adverse events attributable to the intervention Multimodal/complex intervention, ATCS Plus, IVR, unidirectional ATCS versus various controls · patients with hypertension

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Behavioural outcome: smoking abstinence Multimodal/complex intervention, ATCS Plus, IVR versus (various) controls or usual care at median · patients with tobacco dependence

The intervention showed no clear difference in behavioural outcome: smoking abstinence Multimodal/complex… (low certainty).

1 finding from 1 review

Intervention not reported

Rate of participation [case notes or questionnaire, measured immediately or up to four weeks post‐intervention] · people with a health condition (or pregnant) considering real clinical trial participation (across a range of topic areas)

The intervention may leads to lower rate of participation [case notes or questionnaire, measured… (low certainty).

1 finding from 1 review

Intervention not reported

Anxiety (or other psychological stress) [Spielberger State and Trait Anxiety score, measured immediately post‐intervention] · people with a health condition (or pregnant) considering real clinical trial participation (across a range of topic areas)

The intervention may leads to lower anxiety (or other psychological stress) [Spielberger State and Trait… (low certainty).

1 finding from 1 review

Intervention not reported

Retention of knowledge [> 80% of knowledge questions correct, measured two to four weeks post‐intervention] · people with a health condition (or pregnant) considering real clinical trial participation (across a range of topic areas)

The intervention may leads to higher retention of knowledge [> 80% of knowledge questions correct,… (low certainty).

1 finding from 1 review

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