From: Methodological review: quality of randomized controlled trials in health literacy
 | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel bias (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) |
---|---|---|---|---|---|
High | 0Â % | 15Â % | 38Â % | 25Â % | 33Â % |
Unclear | 28Â % | 33Â % | 40Â % | 40Â % | 0Â % |
Low | 73Â % | 53Â % | 23Â % | 35Â % | 68Â % |