What is the term for the difference between the incidence rates ...

[fbq8i]

What is the term for the difference between the incidence rates in a group of people exposed to HIV in Africa and a group of people not exposed to HIV in Africa?
 
  A) Adjusted
  B) Attack
  C) Attributable
  D) Crude

Question 2

When there are unequal periods of observation for study subjects, it may be necessary to use a person-time denominator in the calculation of incidence rates. What does this technique measure?
 
  A) Incidence density
  B) Prevalence rate
  C) Relative risk ratio
  D) Specific rate

[Smiles0805]

Answer to Question 1

C

Answer to Question 2

A

[fbq8i]

Thanks for the timely response, appreciate it

[at]

YES! Correct, THANKS for helping me on my review