How many persons had esophageal carcinoma compared with their controls of person who did or did not drink green tea.
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Get it written →A study was conducted to determine how many persons had esophageal carcinoma compared with their controls of person who did or did not drink green tea. Total persons in the study were 800. There were 420 cases. Of the 420 cases of esophageal carcinoma 150 drank green tea regularly and the 280 of the controls did not drink green tea regularly.
Construct a contingency table to present the data (10 marks)
Calculate the measure of association for this study design. (3 marks)
Explain the value of the measure of risk calculated.
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