Chapter 3: Epidemiologic Measures (Overview)

1 AF R e RR 1 AF RR . The . attributable fraction in the population. is . 0. p. R R AF R , or equivalent, p ec. AF AF p where . p. c. represents proportion of popul ation cases that are exposed . 2-by-2 Cross-Tabulation of Count Data (Incidence Proportions and Prevalences only)

  Af 1, Af af