Question: A solution to confounding: stratification Table 1: Table showing the relationship between BMI and Diabetes mellitus stratified by age. Died from COVID-19 (Disease) Recovered from

A solution to confounding: stratification

Table 1: Table showing the relationship between BMI and Diabetes mellitus stratified by age.

Died from COVID-19 (Disease) Recovered from COVID-19 (No Disease) TOTAL
BMI > 34 Black 150 898 1,048
White 45 214 259
BMI <22 Black 55 156 211
White 7 1123 1,130
TOTAL 257 2,391 2,648

1. Calculate the relative risk of covid-19 deaths among individuals with BMI>34?

Answer: 2. Calculate the relative risk of covid-19 deaths among individuals with BMI<22?

Answer: 3. In your opinion, what is the benefit of stratification?

Answer:

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