As an epidemiologist for the County Disease Control Office, you are investigating an outbreak that occurred at a restaurant. The predominant symptoms included vomiting (81%), nausea (76%), and diarrhea (76%). The average incubation period was five hours with an average duration of 19 hours. Items consumed among the ill included prime rib, baked potato with butter, and green salad with dressing.
PERSONS WHO ATE SPECIFIED FOOD
PERSONS WHO DID NOT EAT SPECIFIED FOOD
95% Confidence Interval
1.4 – 65.7
.10 – 42.9
Your task for this case assignment is to answer these questions:
What type of study was used for this investigation? Explain.
What would be the appropriate measure of association for this study?
Calculate the food-specific attack rates and calculate the measure of association between illness and each food item.
What does a confidence interval mean, and which 95% confidence intervals are statistically significant?
What do the results indicate regarding the likely source of exposure?
Length: Case assignments should be at least 2 pages (500 words) in length.
References: At least two references must be included from academic sources
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