Question

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

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 a disease status variable?

		No
		Yes, lifestyle
		Yes, cancer
		Yes, sex of patient
		Insufficient information to answer the question

Answer 1

A disease status variable means a variable which is categorical or qualitative and can have the value as yes or no

here the disease status variable could be the yes or no answer of having the cancer or not therefore, the answer is yes, cancer, option C