Hello All! I have been computing relative risk  for cohort data with the Proc freq Tables command and have been a little confused by the meaning of the two different risk values. When I get the relative risk (Column 1) I understand that this refers to the intersection of the first row and the first column. But what does the column 2 risk refer to? Is this the intersection of the first row and the second column or the second row and the second column? Any help is much appreciated! ... View more