In this fictitious example of a cohort study, we found that in a factory of 3,000 workers, 1,000 workers were exposed to toxic substances, and 2,000 were not. During the study period, 800 of the exposed workers developed some type of lung disease, and only 40 of the non-exposed workers developed a lung disease. C. What is the incidence of lung disease in exposed workers that can be attributed to being exposed to asbestos? Use the already rounded off answers in the previous items when computing and answer should be in whole numbers. D. What is the proportion of the total incidence of lung disease in those exposed workers that is attributable to asbestos? Use the already rounded off answers in the previous items when computing and answer should be in whole numbers.

In this fictitious example of a cohort study, we found that in a factory of 3,000 workers, 1,000 workers were exposed to toxic substances, and 2,000 were not. During the study period, 800 of the exposed workers developed some type of lung disease, and only 40 of the non-exposed workers developed a lung disease. C. What is the incidence of lung disease in exposed workers that can be attributed to being exposed to asbestos? Use the already rounded off answers in the previous items when computing and answer should be in whole numbers. D. What is the proportion of the total incidence of lung disease in those exposed workers that is attributable to asbestos? Use the already rounded off answers in the previous items when computing and answer should be in whole numbers.

Case Studies In Health Information Management

3rd Edition

ISBN:9781337676908

Author:SCHNERING

Publisher:SCHNERING

Chapter7: Healthcare Statistics And Research Methods

Section: Chapter Questions

Problem 7.19.1C

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In this fictitious example of a cohort study, we found that in a factory of 3,000 workers, 1,000 workers were exposed to toxic substances, and 2,000 were not. During the study period, 800 of the exposed workers developed some type of lung disease, and only 40 of the non-exposed workers developed a lung disease. A. What is the incidence of lung disease among exposed workers? Use 1,000 as the multiplication factor and answer should be in whole numbers. B. What is the incidence of lung disease among non-exposed workers? Use 1,000 as the multiplication factor and answer should be in whole numbers.
Two cities each had a population of 1,000,000 in 2010, with the same number of lung cancer-related deaths occurring in the year. Although the prevalence of smoking was 40% for each city, the number of all-cause deaths in Jones Country was a third of that for Bryanville. If the number of all-cause deaths in Jones Country was 50 with 8% of them associated with lung cancer. What is the proportionate mortality ratio for lung cancer deaths for Jones Country (compared) to Bryanville? Answer to 1 decimal place.
Give typing answer with explanation and conclusion 6. In a prospective cohort study, it is found that men who drink alcoholic beverages are more likely to develop lung cancer than men who are not drinkers. However, among smokers the risk for lung cancer among drinkers and nondrinkers is the same. Also, among nonsmokers the risk for lung cancer among drinkers and nondrinkers is the same. In this example, smoking is a(n): a. Confounding variable b. Effect modifier c. Neither of the above
When designing a study to examine the potential association between a plant based diet and heart disease, do you think a cohort or case-controlled study would be most suitable? Provide a comparison of these two study types and the reasons for your conclusion.
In a cohort study, the ratio of the incidence rate of a disease in an exposed group to the incidence rate of the disease in a nonexposed group is the: a. Relative risk b. Risk difference c. Prevalence ratio d. Odds ratio
Speculate upon the calculation shown in the table and Graph; Briefly explain: a)Do the cohort survivorship curves from each decade different from one another? If so, what might have caused the differences? b)Were the population growing while the cohort was extant? c)How would the data have been altered if Woodland Cemetery had stopped excepting interments in 1950 rather than being open to the present day? d) One problem with studying survivorship curves is that a birth cohort must be followed through until the death of the last individual. How would the shape of a 1960's cohort survivorship curve be altered from those of the 1800's?
It is often stated that excess mortality (in general) is higher in low socioeconomic populations. Which factors contribute to this statistic?
I. STUDY DESIGNS IN EPIDEMIOLOGY: Answer the questions subsequently. A. Suppose you want to determine whether pesticide-use can cause cancer to farmers, I want you to design a method using the longitudinal cohort study design. Your method must answer the following specific questions: a. What will be your cohort groups? Define your cohorts. b. What questions/exposures will your survey instrument contain? c. How will you gather your data? d. How will you interpret your data? e. Provide a plausible causal narrative to your “theoretical data” B. One of the most memorable epidemiologic incidents in the Philippines was the sudden food poisoning of school children in Bohol which killed 15 children while 240 others being crippled. As an epidemiologist, you are tasked to go the place and conduct an independent epidemiologic analysis using retrospective cohort study design. Design a method following this design. Your method must answer the following specific questions: a. What will be your…
For a particular disease or health condition of interest in a specific population, which of the following can be expected to have the smallest numerator? a. Lifetime prevalence of the disease or health condition in this population on Sep 01, 2022 b. Period prevalence of the disease or health condition in this population since Jan 01, 2022 through Sep 01, 2022 c. Point prevalence of the disease or health condition in this population on Sep 01, 2022 d. More information will be needed to answer this
When designing a study to examine the association between a plant based diet and heart disease, do you think a cohort or case-controlled study would be most suitable?
tell whether the curves for the different cohorts are different from one another.If so, what might have caused the differences? In addition, did you notice any difference in the curves for males and females? If so, what might havecaused the differences?Speculate about the future if: 1) health care costs continues to increase, and 2) medical advances continueand most diseases and infant mortality are eliminated.How can this method be used to understand or manage natural populations?
Which population interaction is widely used in medical science for the production of antibiotics?