<prompt> Risk ratio is utilized to calculate the-Relative riskAttribute riskPopulation controlled trialOdds ratio  <response>: Relative risk is the ratio of the incidence among exposed and the incidence among non exposed. In the example, RR of lung cancer 101 10 Some authors use the term risk ratio to refer to relative risk. The larger the relative risk the greater the strength of association between the suspected factor and disease Ref: 25th edition, Parks Textbook of Preventive and Social Medicine, Page no. 86 