Table 1.

Descriptive characteristics of the study populations (n 39) at the first and last visits and change between visits

(Numbers and percentages; mean values and standard deviations)

	First visit				Last visit		Change between visits
Variable	n	%	Mean	sd	Mean	sd	Mean	sd
Sex, female	19	49			n.a.		n.a.
Non-Hispanic White*	31	79			n.a.		n.a.
Have HLA-DR3/4 genotype	6	15			n.a.		n.a.
Have islet autoimmunity	30	77			n.a.		n.a.
Age (years)			7⋅39	1⋅09	9⋅36	0⋅70	1⋅96	1⋅02
Added sugars (g/d)			55⋅90	20⋅14	53⋅34	24⋅16	−2⋅55	25⋅03
Total sugars (g/d)			122⋅85	37⋅88	115⋅49	40⋅06	−7⋅37	39⋅54
Sugar-sweetened beverages (servings/d)			0⋅31	0⋅27	0⋅29	0⋅28	−0⋅02	0⋅37
δ13C (‰)			−19⋅21	0⋅69	−19⋅17	0⋅66	0⋅04	0⋅49
δ15N (‰)			6⋅81	0⋅41	7⋅03	0⋅32	0⋅22	0⋅39
HbA1c (%)			5⋅32	0⋅29	5⋅35	0⋅30	0⋅03	0⋅21

n.a., Not applicable; HLA-DR, human leucocyte antigen-DR.

* The other category included Hispanic American, African American and biracial subjects.