Question

Cancer present Cancer absent Alcohol use 135 3800 No Alcohol use 165 5700 Calculate the relative...

Cancer present

Cancer absent

Alcohol use

135

3800

No Alcohol use

165

5700

  1. Calculate the relative risk for the association of alcohol use (exposure) use and cancer (outcome). (5 points)

  1. Calculate the odds ratio for the association of alcohol use (exposure) use and cancer (outcome). (5 points)
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Answer #1

a.  the relative risk for the association of alcohol use (exposure) use and cancer by the following formula

Cancer present

Cancer absent

Alcohol use

135 A

3800 B

No Alcohol use

165 C

5700 D

RR = 0.03430/0.02813

RR = 1.21933

b.  the odds ratio for the association of alcohol use (exposure) use and cancer by using the following formula

OR = (135/165)/(3800/5700)

OR = 0.8181/0.6667

OR = 1.2270

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