Calculate risk ratios for 2x2 contingency tables using the Relative Risk option. Confidence intervals also appear in the report. You can find more information about this method in Agresti (1990, sect. 3.4.2).

The Choose Relative Risk Categories window appears when you select the Relative Risk option. You can select a single response and factor combination, or you can calculate the risk ratios for all combinations of response and factor levels.