In a study women were identified who had been diagnosed withCervical Cancer through the Cancer Registry. Women with skin cancerwere used as controls. The study then received past medicalhistories on HPV status, which was collected through an outstandinghealth department. (And they somehow had access to these recordsand could link them.)
Calculation B
Cervical Cancer Cases  Controls (No CervicalCancer)  Total
HPV 1200 9800 11,000
No HPV 400 7600 8,000
1,600 17,400 19,000
1. What type of study is this?
a. cross-sectional
b. case report/series
c. ecologic
d. case-control
e. cohort
f. clinical trial
g. community intervention
2. What is the most appropriate measure of association?
a. odd ratio
b. relative risk
c. Attributable risk
d. none of these
3. Calculate the measure of association (use two decimalplaces).
4. How would you best describe the relationship between theexposure and the outcome?
a. no relationship
b. positive relationship
c. negative relationship
5. If appropriate, calculate the attributable risk per 1000people (use 2 decimal places).
