Cross-sectional study:

Table 1 Cross-sectional study: (Insert the title of the paper you are appraising)
Critical appraisal questions Underline your answer
1.Were the criteria for inclusion in the sample clearly defined? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
2.Were the study subjects and the setting described in detail? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
3.Was the exposure measured in a valid and reliable way? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
4.Were objective, standard criteria used for measurement of the condition? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
5.Were confounding factors identified? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
6.Were strategies to deal with confounding factors stated? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
7.Were the outcomes measured in a valid and reliable way? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
8.Was appropriate statistical analysis used? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Add additional pages if needed
Reference: (insert the reference here according to APA 6th edition)

Table 2 Case-control study: (Insert the title of the paper you are appraising)
Critical appraisal questions Underline your answer
1.Did the study address a clearly focused issue? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
2. Did the authors use an appropriate method to answer their question? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
3. Were the cases recruited in an acceptable way? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
4. Were the controls selected in an acceptable way? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
5. Was the exposure accurately measured to minimise bias? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions
Underline your answer
6. Aside from the experimental intervention, were the groups treated equally? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
7. Have the authors taken account of the potential confounding factors in the design and/or in their analysis? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
8. How large was the treatment effect? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
9. How precise was the estimate of the treatment effect? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
10. Do you believe the results? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
11. Can the results be applied to the local population? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
12. Do the results of this study fit with other available evidence? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Add additional pages if needed
Reference: (insert the reference here according to APA 6th edition)

Table 3 Cohort study: (Insert the title of the paper you are appraising)
Critical appraisal questions Underline your answer
1.Did the study address a clearly focused issue? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
2.Was the cohort recruited in an acceptable way? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
3.Was the exposure accurately measured to minimise bias? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
4.Was the outcome accurately measured to minimise bias? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
5(a)Have the authors identified all important confounding factors? Yes/No/Unclear
Evidence: justification, compare and contrasting or/and providing solution
Critical appraisal questions Underline your answer
5(b)Have they taken account of the confounding factors in the design and/or analysis? Yes/No/Unclear