Attributable risk is defined as -: (A) Incidence of disease among exposed minus incidence of disease among non-exposed, (B) Incidence of disease among non-exposed minus incidence of disease among exposed, (C) Incidence of disease among non-exposed divided by incidence among exposed, (D) Incidence of disease among exposed divided by incidence among non-exposed
Answer is A. Ans. is 'a' i.e., Incidence of disease among exposed minus incidence of disease among non-exposed * Attributable risk is the difference in incidence rates of disease (or death) between an exposed group and non- exposed group.AR =Incidence of disease in exposed - Incidence of disease in unexposed----------------------------------------------------------Incidence of disease in exposedx 100