If you are told by a physician that you test positive for a disease, what is the probability that you actually have that disease? 1. 100% 2. 50% 3. the base rate of the disease in the population
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If you are told by a physician that you test positive for a disease, what is the probability that you actually have that disease?
1. 100%
2. 50%
3. the base rate of the disease in the population
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- What patterns do you detect? Often in disease outbreak investigations we want to see a pattern for a particular problem. Think back to the 'white board' approach from a previous question and consider the types of information about individuals that may help you look for patterns. Select from the list below attributes that may help you You can chosse all or some I choose Time of disease onset and occuption but there is more I guess Occupation Hair color Gender Weight Age Time of disease onsetPLEASE HELP ME TO CHOOSE THE LETTER OF THE CORRECT ANSWER.1. The researchers work on the hypothesis of the study "Hygiene, nutrition and physical activities are not significantly related with the prevalence of communicable disease and high attrition rate among elementary pupils." Which of the following is the dependent variable? A. Physical activities B. Hygiene & nutrition C. Hygiene, nutrition & physical activities D. Prevalence of communicable disease & high attrition rate 2. The nurse is specializing in the care of the elderly and she wants to conduct research to improve her practice. Her decision is based on: A. Clinical Expertise B. Patients Values C. Patients needs3. Which of the following is NOT true regarding hypothesis? A. A temporary answer to research question B. An educated guess C. Tentative guess about relationship between two variables D. General explanation of a phenomenon 4. Which of the following pertains to as highly abstract, complex phenomena that…At the beginning of 2013, 32% of Americans had high blood pressure. This statement is an example of which type of measure? Attack rate Prevalence Incidence rate Cumulative incidence
- Using the same anti-venom study, answer the following questions. Researchers wanted to know the effectiveness of a new anti-venom. A study was conducted on 150 children who had nonlethal scorpion stings. The ages of the children ranged from 6 months to 18 years old. Each child was randomly assigned to receive a shot of the anti- venom or a placebo shot. Researchers recorded whether or not their condition improved over the next four hours. a. Identify the population for the study. b. Identify the sample for the study. c. Was this an observational study or a controlled experiment? Explain how you know. d. Assuming the rest of the study was well-designed, use the percentages you calculated in question 1 and the type of study conducted to discuss whether it would be reasonable to conclude that the new anti-venom is effective at treating nonlethal scorpion stings in children. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIU Paragraph Arial 14px Ahe first involved an assessment of the relationship between cigarette smoking and incidence of lung cancer. For cigarette smokers, the lung cancer incidence rate was Ie = 200 per 100,000. For nonsmokers, the lung cancer incidence rate was Io = 25 per 100,000. The lung cancer incidence rate in the entire population was It = 100 per 100,000. The second study involved an assessment of the relationship between cigarette smoking and incidence of coronary heart disease. For cigarette smokers, the coronary heart disease incidence rate was Ie = 500 per 100,000. For nonsmokers, it was Io = 250 per 100,000. In the overall population, the coronary heart disease rate was It = 300. 1. What is relative risk the of developing lung cancer in the first study and of developing coronary heart disease in the second study? Interpret. 2. From the data involving cigarette smoking and lung cancer incidence, what are the attributable risk and the attributable-risk percent? Interpret the result. 3. From the…A screening test on a sample of participants had the following results:80 sick people and 10 healthy people were tested positive. 60 sick people and 100 healthy people were tested negative. Suppose that the prevalence of disease in the community is 20%.Calculate the specificity of this test. 52% O 90.9% O 44.4% O 47.6%
- Answer the question by the number 2. How have these changed over the past 10 years? 3. Which of the top 5 causes of death can be attributable to communicable disease, non-communicable disease, and/or environmental diseases and injury? Do they have multiple causes? 4. Relating the top causes of mortality to "actual" causes of death (Table SO3.2), what cause would your group decided to focus public health initiatives to reduce mortality in America today? Why? Table is found on page 127 of your text in Section III. https://www.cdc.gov/nchs/fastats/leading-causes-of-death.htmYou were recently hired as an epidemiologist at a county office. List and explain three measures that you would use to calculate a specific disease situation. In your view, why is it difficult to get accurate information about disease status in a population?A 2-day-old newborn undergoes routine newborn screening. An abnormal test result for galactosemia is reported. The physician asks the laboratory to share the number of true positives (those testing positive who have the disease) divided by the number of all those with the disease. Measurement of which of the following is being calculated? Confidence interval Prevalence e. Specificity
- 1. Define the following key terms used in epidemiology: Prevalence Incidence Attack rate Point prevalence 2. You were recently hired as an epidemiologist at a county office. List and explain three measures that you would use to calculate a specific disease situation. In your view, why is it difficult to get accurate information about disease status in a population? 3. A study starts with 4,875 health people. Over the next 2 years, 75 develop the disease. What is the incidence rate of disease over the study period? Show all work. 4. In a survey of 1,150 women who gave birth in Maine in 2000, a total of 468 reported taking a multivitamin at least 4 times a week during the month before becoming pregnant. Calculate the prevalence of frequent multivitamin use in this group.In a small town of 3,767 people: January 10, two people got infected with a virus. They then died on January 13. On January 12, ten people got infected with a virus and then died on January 14. On January 16, 60 people got infected with a virus and then all died on January 17. By January 24, everyone who got infected died, a total of 365 dead. What is the morbidity rate on January 10? Prevalence rate on Janary 12? Mortality rate on January 13? Incidence rate on January 13? Incidence rate on January 16?You are a researcher working with the Public Health Department, and you are assigned to collect data on nail salon workers: What are the health-related problems reported by nail salon workers? What barriers hinder the collection of data from this population?
