1. Read this article by Nieto and then consider the following questions.
• What type of study is this?
• What do the p-values in Table 1 represent?
? What types of tests were used for each of those variables?
? Was the test used a reasonable selection for each of these test?
• How was the relationship between SDB and blood pressure values analyzed?
? Is this a reasonable analysis?
? How would you interpret the results from this analysis?
• How was the relationship of SDB categories to hypertension measured?
• Interpret the results of this analysis.
? Is this analysis reasonable for the type of conclusions that were attempted?
? What type of sensitivity analysis would you have implemented, to make sure that the models used are reasonable?
2. Use this article by Holmes to answer to the following questions.
• What is the target population of this study?
? What is the actual sample that was chosen?
• What type of analysis was done in order to identify the relationship between physical activity and survival?
? Is this model reasonable for this analysis?
? Are the assumptions of the model met?
• What type of analysis would you have asked for as a reviewer of this paper?
• What do the p-values in Table 2 suggest?
• What can you learn from Figure 1?
• How would you interpret the effect of physical activity on 5-year recurrence?
Do you trust this paper? Why or why not?