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10 Questions

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MED 106: Introduction to Confounding I

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Questions and Answers

What is the first step in determining if a factor is a potential confounder?

Determine if the potential confounder lies in the causal pathway

Calculate the Odds Ratio for the association between the potential confounder and the outcome

Determine if there is an association between the potential confounder and the outcome of interest (correct)

Determine if there is an association between the potential confounder and the exposure of interest

What is the Odds Ratio for the association between smoking and lung cancer?

3.10 (2.95 - 3.25)

2.50 (2.30 - 2.70)

6.50 (6.30 - 6.70) (correct)

1.50 (1.30 - 1.70)

What is the relationship between smoking and high alcohol consumption according to the Odds Ratio?

There is an inverse association between smoking and high alcohol consumption

There is a strong association between smoking and high alcohol consumption (correct)

There is no association between smoking and high alcohol consumption

There is a weak association between smoking and high alcohol consumption

What is the condition where a factor lies in the causal pathway between exposure and outcome?

Mediation Signup and view all the answers

What is the outcome of interest in the example?

Lung cancer Signup and view all the answers

What is the exposure of interest in the example?

Alcohol consumption Signup and view all the answers

What is the purpose of determining if a factor is a potential confounder?

To control for the factor in the analysis Signup and view all the answers

What is the conclusion about smoking as a potential confounder in the example?

Smoking is not a potential confounder Signup and view all the answers

How many conditions must be met for a factor to be considered a potential confounder?

3 Signup and view all the answers

What is the purpose of calculating the Odds Ratio in the example?

To determine if there is an association between the potential confounder and the outcome Signup and view all the answers