Study |
Bias |
Randomisation process |
Deviations from intended interventions |
Missing outcome data |
Measurement of the outcome |
Selection of the reported results |
Overall |
Authors' judgement |
Support for judgement |
Authors' judgement |
Support for judgement |
Authors' judgement |
Support for judgement |
Authors' judgement |
Support for judgement |
Authors' judgement |
Support for judgement |
Authors' judgement |
Support for judgement |
Bounfrate 2021 |
Low risk of bias |
Centralized web‐based randomization. There are no baseline differences that would suggest a problem with randomization. |
Low risk of bias |
Both participants and those delivering the intervention were not aware of the intervention received and the analysis was appropriate. |
Low risk of bias |
Data for this outcome were reported for nearly all participants that were randomised, were symptomatic at baseline and did not withdraw consent before the study start. |
Low risk of bias |
Outcome assessors were not aware of the intervention received. Knowledge of intervention received could not have affected outcome measurement. |
Low risk of bias |
The protocol was prospectively registered and the outcome in the journal publication was reported as registered. |
Low risk of bias |
Due to low risk of bias in all domains. |
Vallejos 2021 |
Low risk of bias |
Randomization was performed by an team member who was not part of any other part of the study using a computer‐based programme. There was no baseline imbalance that would suggest a problem with randomization. |
Low risk of bias |
Both participants and those delivering the intervention were not aware of the intervention received and the analysis was appropriate. |
Low risk of bias |
Data for this outcome were available for all randomized participants. |
Low risk of bias |
Outcome assessors were not aware of the intervention received. Knowledge of intervention received could not have affected outcome measurement. |
Low risk of bias |
The protocol was prospectively registered and the outcome in the journal publication was reported as registered. |
Low risk of bias |
Due to low risk of bias in all domains. |