Why might adjustment for age affect the magnitude of the association between comorbidities and ovarian cancer?
A)Because women with ovarian cancer are likely to have other comorbidities as well.
B)Because older women have more comorbidities.
C)Because older women are at greater risk of dying.
D)Because older women have more comorbidities and are also at greater risk of dying.
E)Age is not a confounder of the association between comorbidities and ovarian cancer.

Question

Quizplus · Accepted Answer

Because age is associated with both the number of comorbidities at
diagnosis and with ovarian cancer mortality - older women have more comorbidities
and are also at greater risk of dying - it confounds the relation between the two.

Why Might Adjustment for Age Affect the Magnitude of the Association