Answer Happy

14. (3 pts.) If one were to examine the relationship of 1,972 to 47,356 this would be termed what? a. Case fatality rate b. Crude mortality rate c. Sex-specific mortality rate d. Cause-specific proportional mortality 15. (3 pts.) The main goal of random assignment in an interventional trial is to: a. Facilitate double-blinding b. Reduce selection bias in assignment to treatment c. Facilitate the measurement of outcome variable(s) d. Ensure that study subjects are representative of the general population Community A has a driving age population of approximately 117,800. They had 215 drunk driving accidents last hear. Community B has a driving age population of approximately 98,300. Five years ago, community B implemented an intensive anti-drunk driving campaign. Last year they had 85 drunk driving accidents. 16. (2 pts.) What is the ABSOLUTE RISK of drunk driving accidents in community A? 17. (3 pts.) What is the risk of drunk driving accidents in community B, as compared to community A (how would one use a single calculation to directly compare the two- show calculations and include the appropriate term!)? 18. (3 pts.) Assuming that communities A and B are otherwise very similar and had similar rates of drunk driving accidents previously, what reduction in drunk driving accidents could be ascribed to the campaign (show calculations and include the appropriate term)?