The table below presents results of an investigation of a foodborn outbreak: Ate
ID: 2949040 • Letter: T
Question
The table below presents results of an investigation of a foodborn outbreak:
Ate food item
Did not eat food item
Food item
Total
sick
Total
sick
Hamburger
30
15
15
5
Fries
28
12
17
5
Cole slaw
30
20
15
9
Fish sandwich
10
4
35
15
The relative risk of disease after consuming hamburger is 1.51 and relative risk of disease after consuming fish sandwich is 0.95. Thus, between hamburger and fish sandwich, fish sandwich is more likely responsible for outbreak of the disease.
Ate food item
Did not eat food item
Food item
Total
sick
Total
sick
Hamburger
30
15
15
5
Fries
28
12
17
5
Cole slaw
30
20
15
9
Fish sandwich
10
4
35
15
Explanation / Answer
A relative risk of 1 means there is no difference in risk between the two groups.
So, the risk of getting disease after consuming hamburger is 51% higher than average.
And the risk of getting disease after consuming fish sandwich is 5% lower than average.
Hence hamburger is more likely responsible for outbreak of the disease.
Therefore, the answer is False.
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