Nutritional stutas of two groups of children was assessed at the end two month interval. out of 80 children who had chronic diarrhea, 22 were wasted while out of 84 children who did not have diarrhea, 3 were wasted. find the incidence rates in the two groups and calculate the relative risk wasting associated with chronic diarrhea. what is attributable risk of wasting associated with diarrhea?