Assume that researchers will conduct a community based survey on hypertension. How many participants should be included in the study in order to achieve a 95% confidence level if an error of 5% would be allowable and the estimated proportion of people with hypertension is 20%?
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Assume that researchers will conduct a community based survey on hypertension. How many participants should be included in the study in order to achieve a 95% confidence level if an error of 5% would be allowable and the estimated proportion of people with hypertension is 20%?
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- You read a study in which 55 male participants (aged 55-70 years) were assessed for handgrip strength, and changes in cardiovascular health over a 2-year period. In the statistical analysis section of the paper you note that the researchers used regression analysis as the statistical procedure. The researchers identify the independent variable as handgrip strength, and the dependent variable as change in cardiovascular health. What do you think the research question could be?You read a study in which 55 male participants (aged 55-70 years) were assessed for handgrip strength, and changes in cardiovascular health over a 2-year period. In the statistical analysis section of the paper you note that the researchers used regression analysis as the statistical procedure. The researchers identify the independent variable as handgrip strength, and the dependent variable as change in cardiovascular health. What do you think the research question could be? Select one: a. Does handgrip strength…Give typed full explanation The use of data from the "tick-box" on the death certificates to track work-related mortality trends is an example of which kind of surveillance system? Provide an explanation for your choice of surveillance system [3] Country A and Country B both have crude mortality rates for stroke of 6 per 1000 population per year. Country A has an age-adjusted mortality rate for stroke of 3 per 1000 population per year. Country B has an age-adjusted mortality rate of 8 per 1000 people. Which of the following are correct? [1] a) Country A has an older population than Country B b) Country A has a younger population than Country B c) Diagnosis of stroke is more accurate in Country A d) Diagnosis of stroke is more accurate in Country BWhat is the number of Filipinos who might be suffering of CVD in year 2022 with a population size of 112, 508, 994? Solve the probable number of Filipinos who might get suffering from cardiovascular disease.* c. 37,840,815.25 Filipinos who might suffer from cardiovascular disease b. 39,378,147.9, Filipinos who might suffer from cardiovascular disease a. 38,353,377.3 Filipinos who might suffer from cardiovascular disease What blood vessel that carries oxygen poor/deoxygenated blood from the heart to the lungs? a. Pulmonary Artery b. Pulmonary Veins c. Superior Vena Cava
- What characteristics are associated with heart rate, beats/minute? (Heart Rate= 1 missing) Use simple and multivariable linear regression analysis to complete the following table relating the characteristics listed to Heart rate, beats/minute as a continuous variable. Before conducting the analysis, be sure that all participants have complete data on all analysis variables. If participants are excluded due to missing data, the numbers excluded should be reported. Then, describe how each characteristic is related to Heart rate, beats/minute. Are crude and multivariable effects similar? What might explain or account for any differences? Outcome Variable: Heart rate, beats/minute Characteristic Regression Coefficient Crude Models p-value Regression Coefficient Multivariable Model p-value Age, years Male sex Glucose Total serum cholesterol, mg/dL Current smoker DiabetesSay, you want to examine whether heavy drinking increases the risk for developing high blood pressure among adults.Please design a cohort study to investigate this potential relationship between heavy drinking and high blood pressure.Why is it important to know if the goals set with patients are realistic?
- Give written answer with explanation and conclusion Given that there are so many CDIs, which specific conditions and indicators (top 5) would you recommend for the physician practice? (Explain why).a) In this graph, what is the average causal effect of the treatment? (max 1 sentence) b) In this graph, what ist he difference-in-difference estimator of the effect of the treatment? (max 1 sentence) (Hint: use the letters shown in the gaph in your answers for a) and b)) c) What is the name of the curcial assumption for differnces-in-differnces estimation4586 patients were recruited in a study and information was collected on their different diseases / conditions. The prevalence of different diseases are: depression, 15%; asthma, 6.6%; cardiovascular event, 6%; pulmonary disease, 3.5%. The patients’ dietary intake were also measured at the same period of time. a. What is the research method used in the above study? ___________________________________________________________ b. State one advantage and one disadvantage of this type of study? ___________________________________________________________ d. What is the number of people with asthma in this group of patients? ___________________________________________________________
- he 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…Give typing answer with explanation and conclusion What are the major demographic populations, providers, and regulatory bodies affected in outpatient clinic?Say, you want to examine whether heavy drinking increases the risk for developing high blood pressure among adults. Please design a case-control study to investigate this potential relationship between heavy drinking and high blood pressure
