Cumulative incidence of diabetes for participants in the Diabetes Prevention Program. Cumulative incidence of diabetes for participants in the Diabetes Prevention Program. The diagnosis of diabetes was based on the criteria of the American Diabetes Association. The incidence of diabetes differed significantly among the three groups (P ≤ 0.001 for each comparison). Reprinted with permission from Ref. 7. Anthony N. Fabricatore, and Thomas A. Wadden Clin Diabetes 2003;21:67-72 ©2003 by American Diabetes Association