Reference no: EM133274701

1. What rationale did the authors provide for why this study needed to be done? The rationale is usually presented in the introduction section of the paper.

2. What is the purpose of this study? What is the hypothesis? Is it stated explicitly or is implicit? Look for this toward the end of the introduction.

3. What is typically included in the Methods section of a research paper? Read the methods section.

4. What is the design of this study? This information is usually listed in the methods section.

5. What is the study population? How many cases and how many controls? How were they selected? Look for this in the methods section.

6. How and what type of data were collected from study participants? This information is listed in the methods section.

7. What is the response rate?

8. What is the main exposure of interest? How was the exposure assessed in this study? Look for this information in the methods section.

9. What is the main outcome of interest? How was it assessed?

10. What statistical analysis were used in this study? Typically this information is located toward the end of the methods section.

11. What results do Table 1 show?

12. What results do Table 2 show?

13. What are the main findings of this study? Look for this information in the results section.

14. What main conclusions did the authors' make from their study?

15. What are some of the study strengths and limitations? Did the authors adequately address these?