Math Solutions

(Step-by-Step) The following table shows data taken from a random sample of middle-aged men. A beer binger is defined as someone who usually drinks six or

Question: The following table shows data taken from a random sample of middle-aged men. A beer binger is defined as someone who usually drinks six or more bottles of beer per drinking session. Beer drinking was recorded at the outset of the study; mortality was recorded from death certificates over an average of 7.7 years of follow-up.

Cardiovascular Death
Beer consumption Yes No
None 11 59 70
1-3 88 812 900
4-5 19 151 170
6+ 78 322 400
Total 196 1,344 1,540
  1. Calculate the risk of cardiovascular death for each level of beer consumption.
  2. Calculate the relative risk of cardiovascular death for bingers compared to men who do not drink beer.
  3. What is the interpretation of the relative risk calculated in B?

E. Is there evidence of a biological gradient?

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