Incidence of disease among exposed divided that of non exposed is equal to -: (A) Relative risk, (B) Attributable risk, (C) Odd ratio, (D) None of the above
Answer is A. Ans. is 'a' i.e., Relative risk RR =Incidence of disease among exposed----------------------------------Incidence of disease among nonexposed AR =Incidence of disease in exposed - Incidence of disease in unexposed--------------------------------------------------------Incidence of disease in exposedx 100