Intervention not reported
Difference between effect estimates from RCTs and observational studies [for RCTs vs OBSs] · systematic reviews and overviews of systematic reviews
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Completeness of reporting Proportion of items adequately reported, from 0.00 to 1.00, higher number indicates more complete reporting. · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Moderate
Peer reviewer detection of errors Number of major errors identified, assessed by 2 researchers independently, from 0 to 9, higher number indicates better detection. · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Stakeholders' assessment of review quality (final score) Assessed by 2 editors independently using the RQI from 1 to 5 (average of the 2 ratings), higher scores indicate higher quality. · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Stakeholders' assessment of review quality (change score) Assessed using either:A) a 5‐point scale, change scores range from −4 to 4 (3 studies);B) a 5‐point scale, expressed by "slope of quality score change"(1 study); orC) the MQAI, from −144 to... · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Inter‐reviewer agreement (final score) Assessed using the average deviation between reviewers, from −4 to 0, higher scores indicate higher agreement. · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Inter‐reviewer agreement (change score) Assessed using the average score difference between reviewers, possible changes scores range from −9 to 9, higher scores indicate increased agreement. · peer reviewers
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Bibliometric scores · peer reviewers
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Wait‐list compared with no‐treatment · patients with mental health disorders
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Non‐serious adverse events for all placebos compared with wait‐list or no treatment (Spontaneous reporting of dichotomous outcomes) (Post‐treatment) · patients with mental health disorders
It is very uncertain whether the intervention changes non‐serious adverse events for all placebos compared with wait‐list… (very low certainty).
1 finding from 1 review
Intervention not reported
Usual care compared with wait‐list/no‐treatment (Variety of continuous outcome) (Post‐treatment) · patients with mental health disorders
1 finding from 1 review
Intervention not reported
Serious adverse events for all placebos · patients with mental health disorders
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Non‐serious adverse events for all placebos · patients with mental health disorders
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
All placebos compared with wait‐list or no‐treatment (Variety of continuous outcome) (Post‐treatment) · patients with mental health disorders
1 finding from 1 review
Intervention not reported
Psychological placebos compared with wait‐list or no‐treatment (Variety of continuous outcome) (Post‐treatment) · patients with mental health disorders
1 finding from 1 review
Intervention not reported
Pharmacological placebos compared with wait‐list or no‐treatment (Variety of continuous outcome) (Post‐treatment) · patients with mental health disorders
1 finding from 1 review
Intervention not reported
Physical placebos compared with wait‐list or no‐treatment (Variety of continuous outcome) (Post‐treatment) · patients with mental health disorders
1 finding from 1 review
Intervention not reported
Serious adverse events for all placebos compared with wait‐list or no treatment (Spontaneous reporting of dichotomous outcomes) (Post‐treatment) · patients with mental health disorders
It is very uncertain whether the intervention changes serious adverse events for all placebos compared with wait‐list or… (very low certainty).
1 finding from 1 review
Retention [ · trial participants being followed up for data collection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Retention [ · trial participants being followed up for data collection
It is very uncertain whether monetary incentives: addition of monetary incentives changes retention [ compared with addition of a monetary reward (very low certainty).
1 finding from 1 review