Question 22 (10 points) Saved There is epidemiological evidence that a diet high in sodium increases the risk of high bl

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Question 22 10 Points Saved There Is Epidemiological Evidence That A Diet High In Sodium Increases The Risk Of High Bl 1 (106.57 KiB) Viewed 79 times

Question 22 (10 points) Saved There is epidemiological evidence that a diet high in sodium increases the risk of high blood pressure. A recent cohort study followed 2,825 individuals over a 10-year period. The table below shows the results of this study: High blood pressure Yes No Total Yes 438 889 1,327 High sodium intake No 375 1,123 1,498 Total 813 2012 2,825 <a> What is the overall cumulative incidence in the sample? Please show calculations. (1 mark) <b> What is the appropriate measure of association for this study based on the data provided? (1 mark) <c> Please calculate this measure showing calculations. (1 mark) <d> Please interpret the result in percentage terms. (1 mark) <e> Based on the information provided, what is the attributable risk? Please show calculations. (1 mark) <f> What does the attributable risk tell us that the risk ratio doesn't tell us? (1 mark) <g> What is the attributable fraction as a percentage? Please show calculations. (1 mark) <h> What does the attributable fraction tell us? (1 mark) <i> A researcher later discovered that, due to a data recording error, 100 of the participants with high blood pressure had been recorded as unexposed when they were really exposed. What fundamental epidemiological issue does this relate to? (1 mark) <j> What effect did the issue have on the initial results? Explain this with respect to the effect size. (1 mark)