borderline significantP = 0.080
Supplemental analyses of incident diabetes defined according to either OGTT or HbA 1c criteria showed a borderline significant association between 25(OH)D and OGTT-based diabetes (OR per 10 nmol/L was 0.92 [95% CI 0.84–1.01]; P = 0.080), whereas no association was observed with HbA 1c -based diabetes ( Supplementary Table 3 ).