Question

Scenario 1: Aspirin and Kidney Cancer

A group of researchers were interested in studying the use of aspiring and the incidence of kidney cancer. They designed their study and enrolled 13,987 white, affluent, and well educated residents of a retirement community (9,621 women and 4,366 men).   3,490 men, and 6,021 women did not use aspirin upon enrollment. There were a total of 25 cases of kidney cancer that were reported after 6.5 years of follow up (15 among men, 10 among women). Among the males who developed kidney cancer, 9 used aspirin; of the females who developed kidney cancer, 4 used aspirin.

1. What type of study design was used?

Place letter answer here: Click or tap here to enter text.

1. Ecologic study
2. Cross-sectional study
3. Case-control study
4. Cohort study
5. Randomized control trial

Answer 1

The described research scenario shows healthy individuals who were exposed to aspirin and who were not exposed to aspirin and over a period of time, it showed the kidney cancer (disease) outcome in aspirin used individuals and aspirin unused individuals. This type of research model is a cohort study. Option d is the correct answer.