Question

2. In another vaccination study, the incidence of chicken pox among non-vaccinated children, younger than 12, was found to be 200/1,000 and the incidence among the vaccinated was 101,000. From another source we know that 30% of the total population (under 12 years of age) was not vaccinated, calculate the following for the given data: (a) The incidence of chicken pox attributable to non-vaccination of the total (under 12) (2 pts) (b) The proportion of the risk of chicken pox in the total (under 12) population that is attributable to non-vaccination is (2 pts) #3. In a matched case-control study conducted in Morocco, investigators wanted to assess whether a relationship existed between lighting the home with candles and lung cancer. Controls were matched to cases on smoking status, age, and gender. (6 pts) Controls Candle lighting No Candle lighting Candle lighting 25 No Candle lighting 25 34 fa) Calculate and interpret the matched pairs odds ratio for these data. (b) Un-match the pairs (create a new table) and calculate the unmatched odds ratio. Was matchiag effective for this study?

Answer 1

to data 42) CA 20 ,3