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 If an exposure has no

association with a certain outcome, then what value would you obtain for each of the measures of association listed below? Fill in all the blanks. 4 points.

  1. Rate ratio ________________ 
  2. Odds ratio ________________ 
  3. Rate difference _____________

D. Attributable proportion in the exposed___________ 


What are the key differences between the high-risk strategy and population strategy for prevention of disease described by Rose?


Quote from a news report: "Based on interviews and blood samples of over 8,000 persons, 11% of persons classified as heavy drinkers of alcohol were involved in home accidents over a three-month period." Can we conclude that there is an association between drinking and home accidents from these data?

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