Question

115 elderly citizens went out for a picnic. The picnic had rice cakes, fruit salad, lasagna and yogurt. Shortly after, some individuals began feeling sick and began vomiting, experiencing cramps and diarrhea. 6 patients had to be taken to hospital where 4 of these patients died. Surveys were sent to everyone who went to the picnic. 105 surveys were returned, and 67 respondents said they felt ill. Persons eating food Persons not eating food Food ill Not ill ill Not ill Rice cake 34 15 15 30 lasagna 28 17 32 24 Fruit salad 35 30 15 20 yogurt 35 20 12 21 Calculate and show your working for: 1. Percentage morbidity 2. Percentage mortality 3. Percentage case fatality rate 4. Odds ratio for rice cake 5. Odds ratio for lasagna 6. Odds ratio for fruit salad

          115 elderly citizens went out for a picnic. The picnic had rice cakes, fruit salad, lasagna and yogurt. Shortly after, some individuals began feeling sick and began vomiting, experiencing cramps and diarrhea. 6 patients had to be taken to hospital where 4 of these patients died.
Surveys were sent to everyone who went to the picnic. 105 surveys were returned, and 67 respondents said they felt ill.
Persons eating food
Persons not eating food
Food
ill
Not ill
ill
Not ill
Rice cake
34
15
15
30
lasagna
28
17
32
24
Fruit salad
35
30
15
20
yogurt
35
20
12
21
Calculate and show your working for:
1. Percentage morbidity
2. Percentage mortality
3. Percentage case fatality rate
4. Odds ratio for rice cake
5. Odds ratio for lasagna
6. Odds ratio for fruit salad

115 elderly citizens went out for a picnic. The picnic had rice cakes, fruit salad, lasagna and yogurt. Shortly after, some individuals began feeling sick and began vomiting, experiencing cramps and diarrhea. 6 patients had to be taken to hospital where 4 of these patients died.
Surveys were sent to everyone who went to the picnic. 105 surveys were returned, and 67 respondents said they felt ill.
Persons eating food
Persons not eating food
Food
ill
Not ill
ill
Not ill
Rice cake
34
15
15
30
lasagna
28
17
32
24
Fruit salad
35
30
15
20
yogurt
35
20
12
21
Calculate and show your working for:
1. Percentage morbidity
2. Percentage mortality
3. Percentage case fatality rate
4. Odds ratio for rice cake
5. Odds ratio for lasagna
6. Odds ratio for fruit salad

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