Flow sheet over the primary study population as well as comparative individuals of “pre-diabetic” individuals followed from HUNT2 to HUNT3 (GAD, glutamic acid decarboxylase; neg, negative; pos, positive). Flow sheet over the primary study population as well as comparative individuals of “pre-diabetic” individuals followed from HUNT2 to HUNT3 (GAD, glutamic acid decarboxylase; neg, negative; pos, positive). Elin Pettersen Sørgjerd et al. BMJ Open Diab Res Care 2015;3:e000076 ©2015 by American Diabetes Association