Assignment task:
A case-control study was done on the relationship between soda consumption and obesity in teens. Among the 400 cases, 320 consumed soda as compared to 180 of the 400 controls. Further, among soda drinkers, there were 252 cases and 72 controls who were sedentary. Among those who did not drink soda, 48 cases and 40 controls were sedentary. Do each of the following. Please show all of your work, clearly labeling the questions.
1. Calculate the crude OR for soda consumption and obesity
2. Calculate the OR for teens who are sedentary and those who are not.
3. What should you do next and why?
4. Do it.
5. Interpret your findings.