Evaluation Item

Evaluation Results

Yes

No

Unclear

Not applicable

1) Is the inclusion criteria for the sample clearly defined?

2) Has the research object and research site been described in detail?

3) Does the measurement method of exposure factors have reliability and validity?

4) Is there an objective and consistent standard for the definition of disease or health problems?

5) Have you identified a confounding factor?

6) Are measures taken to control confounding factors?

7) Does the measurement method of the

outcome indicator have reliability and validity?

8) Is the data analysis method appropriate?