Question 1
Which of the following is an example of exposure data in ecologic studies?
Question 2
Case-control studies are among the best observational designs to study diseases of:
Question 3
Examples of descriptive epidemiologic studies do not usually include:
Question 4
A large medical center’s oncology program reported an increased number of cases of pancreatic cancer during a certain month. The hospital’s epidemiologist decided to research
the problem. Tumor registry records were searched to identify all cases of pancreatic cancer during a five-year period; cancer patients were matched with patients treated for other diseases during the same five-year period. All subjects in the study were questioned about lifestyle factors including alcohol, tea, and coffee consumption. The resulting data are as follows: