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Develop the suitable 2x2 table, determine and interpret the suitable measure of the association.
You suspect that the link between the alcohol utilize and CHD might be confounded by the smoking. You collect the following data:

	Smokers		Non-Smokers
	CHD	No CHD	CHD	No CHD
Alcohol Use	80	40	10	20
No Alcohol Use	20	10	40	80

Determine the suitable measure of the association between alcohol use and CHD in both the smokers and the non-smokers. Explain whether the smoking was a confounder of association. Explain the relationship of the alcohol use to CHD after controlling for confounding?

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Category:- Biology
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