No association of vitamin D intake or 25-hydroxyvitamin D levels in childhood with risk of islet autoimmunity and type 1 diabetes: the Diabetes Autoimmunity Study in the Young (DAISY) - Diabetologia

Unadjusted plasma 25(OH)D levels and percentage of children with inadequate 25(OH)D by age, in a representative cohort of 373 DAISY children. Mean 25(OH)D (nmol/l) of children at each age are represented by a black circle, and the line is intended to connect these points. The right-hand axis lists the values for mean 25(OH)D. The grey bars represent the percentage of children with inadequate plasma 25(OH)D (≤50 nmol/l) at each age. The actual percents are listed on the left-hand axis. The values in parentheses on the x-axis represent the number of children included in each age group. As children had multiple measurements of vitamin D over time, they may be in more than one age group

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