Describe and critique the methods used to control confounding at the analysis level.
Describe and critique the methods used to measure the association between exposure and disease.
Describe and critique the methods used to measure the precision of the statistical estimates (e.g., confidence interval).
Is the internal consistency among the data presented in the paper (e.g., do the numbers and percentages sum appropriately in the tables)? D. Interpretation of data
Present the major results of the study.
How might bias have affected these results?
To whom may the results of this study be generalized?