what clinical criteria would you use in case definition for cohort study on food poisoning outbreak?
Homework Answers
Some of the clinical criteria which can be used in the case definition for cohort study on food poisoning outbreak are
- Including the typical signs and symptoms experienced
- The particular group of people who are victims of the outbreak
- Its prevalence rate and intensity has to be briefed in it.
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what clinical criteria would you use in case definition for cohort
study on food poisoning outbreak?
To study the causes of an outbreak of aflatoxin poisoning in Africa, investigators conducted a case-control study with 4...
To study the causes of an outbreak of aflatoxin poisoning in Africa, investigators conducted a case-control study with 40 case-patients and 80 controls. Among the 40 poisoning victims, 32 reported storing their maize inside rather than outside. Among the 80 controls, 20 stored their maize inside. a. Set up a 2 x 2 table and calculate the odds ratio for the association between inside storage of maize and illness. b. Interpret the odds ratio.
What are the main criteria regarding the safety of foods (preventing food poisoning and spoilage)?
What are the main criteria regarding the safety of foods (preventing food poisoning and spoilage)?
What are the main criteria regarding the safety of foods (preventing food poisoning and spoilage)?
What are the main criteria regarding the safety of foods (preventing food poisoning and spoilage)?
1. Creating a case definition is a critical part of a successful disease outbreak investigation. For...
1. Creating a case definition is a critical part of a successful disease outbreak investigation. For an individual to be included as a case in an outbreak investigation, s/he should: a. Meet all clinical, diagnostic and epidemiologic criteria; there should be no variation between cases b. Demonstrate an illness or abnormality; all people who are not healthy should be considered cases c. Demonstrate one or more clinical signs consistent with other individuals apparently affected; epidemiologic connection to other affected people...
For the first six issues below, cite which study is best to use (case-control or cohort...
For the first six issues below, cite which study is best to use (case-control or cohort study). For the last 3 types of bias, cite which study is less likely to have that particular type of bias (case-control or cohort) Answer 26 1) Study a rare discase 2) Study a rare exposure 3) Study multiple exposures 4) Study multiple outcomes 5) Study progression of the illness 6) Calculate disease rates 7) Recall bias 8) Loss to follow-up 9) Selection bias...
Describe Observational study designs: cohort study and case-control study. Choose an example for each study type...
Describe Observational study designs: cohort study and case-control study. Choose an example for each study type and discuss the different statistical analysis used to interpret and analyze the results. Suggest a case-control study that you prefer to conduct and explain the statistical tests that you would use in your study.
Recently, a case of food poisoning was traced to a particular restaurant chain. The source was...
Recently, a case of food poisoning was traced to a particular restaurant chain. The source was identified and corrective actions were taken to make sure that the food poisoning would not reoccur. Despite the response from the restaurant chain, many consumers refused to visit the restaurant for some time after the event. A survey was conducted three months after the food poisoning occurred with a sample of 400 patrons contacted. Of the 400 contacted, 55 indicated that they would not...
What is the difference between a nested case control and a case-cohort study?
What is the difference between a nested case control and a case-cohort study?
A sensitive case definition is recommended at the beginning of an outbreak because Select one: a....
A sensitive case definition is recommended at the beginning of an outbreak because Select one: a. A sensitive case definition is easy to apply and saves time b. Laboratory resources are too expensive to use when large numbers of cases are being investigated c. This provides the best chance of detecting all cases in the outbreak to date and can be narrowed later d. Specificity isn't important in outbreak investigations
All changes saved in Drive Question 26: Which of the studies (case-control or cohort) has a...
All changes saved in Drive Question 26: Which of the studies (case-control or cohort) has a larger sample size, costs r and takes longer to complete? For the first six issues below, cite which study is best to use (case-control or cohort study). For last 3 types of bias, cite which study is less likely to have that particular type of bias (case-control or cohort). Answer 26 1) Study a rare disease 2) Study a rare exposure 3) Study multiple...
For the first six issues below, cite which study is best to use (case-control or cohort study). For the last 3 types of bias, cite which study is less likely to have that particular type of bias (case-control or cohort) Answer 26 1) Study a rare discase 2) Study a rare exposure 3) Study multiple exposures 4) Study multiple outcomes 5) Study progression of the illness 6) Calculate disease rates 7) Recall bias 8) Loss to follow-up 9) Selection bias...
All changes saved in Drive Question 26: Which of the studies (case-control or cohort) has a larger sample size, costs r and takes longer to complete? For the first six issues below, cite which study is best to use (case-control or cohort study). For last 3 types of bias, cite which study is less likely to have that particular type of bias (case-control or cohort). Answer 26 1) Study a rare disease 2) Study a rare exposure 3) Study multiple...
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