Question: A study is done to compare side effects for two different drugs used to treat a medical condition. One hundred people are given each drug. Results are as shown in the following table:

                Headache?         Nausea?

                Yes      No        Yes      No

Drug 1        10       90         15       85

Drug 2          5       95          5       95

For nausea, compute each of the following.

a. The risk of experiencing nausea for each drug (separately).

b. The relative risk of nausea for Drug 1 compared to Drug 2.

c. The percent increase in the risk of nausea for Drug 1 compared to Drug 2.

d. The odds ratio for comparing the odds of nausea for Drug 1 compared to Drug 2.