Checklist for epidemiological and statistical reviews
| Design: |
| Is there a clear statement of the study objectives? |
| Is there a clear description of the study design? |
| Is the study design appropriate? |
| In there a clear description of the study populations? |
| Is there a clear description of how the main variables were measured? |
| Is there an assessment of the adequacy of the sample size? |
| Presentation and analysis: |
| Are the statistical procedures adequately described or referenced? |
| Are the statistical procedures appropriate? |
| Are the response rates reported? |
| Are the data and the results adequately described? |
| Are confidence intervals and significant levels given where appropriate? |
| Bias and confounding: |
| Are the response or tracing rates satisfactory? |
| Are you reasonably satisfied that the results are not explained by bias in subject selection or measurement? |
| As far as you can tell, have confounding variables been taken into account appropriately— either in the analysis or in the discussion? |