a. Quantify the distribution ar b. Use epidemiological study re c. Conduct and disseminate res 5. How do epidemiologists contribut Multiple choice (5 points each) 6. The following are three causal pies for d. ) All of the above Anything A gatien candy manufacturer her hired you to investigate whether there is any relationship between th Key fister amory gatien randy worken and chronic exposure to cotton candy fumes. You conduct a studyhe Incidence of respiratory disease among workers exposed to cotton candy fumes = 200 per 100,000 exposed Incidence of respiratory disease among workers not exposed to cotton candy fumes = 20 per 100,000 unexposed What is the correct measure of association? A. OR - 200/20 - 10 B. OR = 20/200 = 0.2 C RR = 180/20 = 9 D. RR - 200/20 - 10 2. What is the correct interpretation of the association between chronic exposure to cotton candy fumes and risk of respiratory disease? A. Workers exposed to cotton candy had a 10% greater risk of respiratory disease than did workers not exposed to cotton candy . - B. Workers exposed to cotton candy had 10 times the risk of respiratory disease than did workers not exposed to cotton candy . C. Workers with respiratory disease had 9 times the odds of being exposed to cotton candy than did workers without respiratory disease. D. Workers with respiratory disease had 80% lower odds of being exposed to cotton candy than did via put suipuling workers without respiratory disease. Study 2. Background. The association between heavy alcohol consumption and the risk of liver disease was investigated in a case- control study with 475 cases and 400 controls. The following results were found: Heavy Alcohol Consumption Cases Yes Controls 350 No 200 Total 125 200 475 400 3 . What is the correct measure of association ? A. OR = 0.36 350x 200 B. RR = 1.48 C. OR = 2.80 725 x 2050 D. RR = 1.65 4. What is the correct interpretation of the association between heavy alcohol consumption and risk of liver disease? who were not heavy consumers of alcohol . - A. The odds of liver disease were 2.8 times as high among heavy consumers of alcohol than among those not exposed to heavy alcohol consumption. B. Those exposed to heavy alcohol consumption had a 1.65 times greater risk of liver disease than those controls. C. Heavy consumers of alcohol had a 36% greater risk of liver disease than did controls. D. Those with liver disease had 50% greater odds of being exposed to heavy alcohol consumption than did V2 - Page 2 of 9