Question 9 A large medical center’s oncology program reported an increased numbe
ID: 3263884 • Letter: Q
Question
Question 9
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:
DATA
Cancer Patients
Other Patients
Men
Women
Men
Women
LIFESTYLE VARIABLE
Alcohol
185
120
270
260
Tea Drinking
140
110
230
225
Coffee Drinking
190
140
270
240
Note: Total number of male cancer patients = 200.
Total number of female cancer patients = 150.
Total number of male patients (other diseases) = 300.
Total number of female patients (other diseases) = 300.
Does this study have an exposure status variable?
Insufficient information to answer this question
Yes, disease type
Yes, lifestyle
No
Yes, sex of patient
0.5 points
DATA
Cancer Patients
Other Patients
Men
Women
Men
Women
LIFESTYLE VARIABLE
Alcohol
185
120
270
260
Tea Drinking
140
110
230
225
Coffee Drinking
190
140
270
240
Explanation / Answer
Yes , life style.
The study have an exposure status variable on life style.
The exposure varies both cases and controls.
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