Question 6

In a study with a total of 200 people, you have determined that typists have an incidence of 25 per 100

(25%) of carpal tunnel syndrome compared to only 5 per 100 (5%) of people employed in professional,

white-collar occupations. This was a 2-year follow-up study and there was no loss to follow-up. All

subjects in the study were free from carpal tunnel syndrome at the beginning of the study.

Use the following information to set up a 2 x 2 table and calculate appropriate measure of association.

a) What is the study design?

b) Draw the 2x2 table and complete the table.

c) What is the exposure of interest?

d) Calculate appropriate measure of association between the exposure and the disease.

e) Interpret your results