Risk of bias in the included randomised controlled trial
| Study name | Sequence generation | Allocation concealment | Blinding (participants, data collectors, outcome adjudicators) | Completeness of outcome data | Completeness of outcome reporting |
|---|---|---|---|---|---|
| Freemantle et al,13 2000 | Low risk: ‘Practices were randomised to intervention or control using computer generated random numbers in a stratified scheme’ | Unclear risk Not reported | Unclear risk Not reported | Low risk No missing data reported | Low risk No evidence of selective outcome reporting |