the attack rates of each Dod iterm Tor those wno did 1Be iou nat food item.

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Question
An outbreak of diarrheal disease occurred in among students and teachers who
attended a college ball.
• Calculate for the attack rates of each food item for those who did and did not eat
that food item.
• Identify which food item deemed to have caused the outbreak of gastroenteritis.
Compute and interpret the relative risk of the food item identified to cause the
outbreak.
Ate the food item
Did not ate the food item
Food
Sick
Well
Total
AR in %
Sick
Well
Total
AR in %
RR
Rice
46
28
74
7
19
26
Chicken salad
46
40
86
8
14
Spaghetti
41
34
75
12
13
25
Cabbage
32
27
58
19
22
41
Potato-bitter
51
34
85
2
13
15
gourd salad
Mutton
6
8
47
45
92
Milk
22
10
32
31
37
68
Transcribed Image Text:An outbreak of diarrheal disease occurred in among students and teachers who attended a college ball. • Calculate for the attack rates of each food item for those who did and did not eat that food item. • Identify which food item deemed to have caused the outbreak of gastroenteritis. Compute and interpret the relative risk of the food item identified to cause the outbreak. Ate the food item Did not ate the food item Food Sick Well Total AR in % Sick Well Total AR in % RR Rice 46 28 74 7 19 26 Chicken salad 46 40 86 8 14 Spaghetti 41 34 75 12 13 25 Cabbage 32 27 58 19 22 41 Potato-bitter 51 34 85 2 13 15 gourd salad Mutton 6 8 47 45 92 Milk 22 10 32 31 37 68
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