What is the conclusion of the preliminary analysis?

The demographic risk factors of COVID morality are male, age, and ethnicity.

The demographic risk factors of COVID morality are male, age $70+,$ and Black$/$Multiple Non$-$Hispanic.

The demographic risk factors of COVID morality are gender, age, and ethnicity.

The demographic risk factors of COVID morality are gender and age.

The demographic risk factors of COVID morality are male, age $80+,$ and Black$/$Hispanic$.$