Why Might Adjustment for Age Affect the Magnitude of the Association

Multiple Choice

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.