Table 4. Agreement proportion in quartile distributions of energy and 15 nutrients between first and second administration of the FFQ.

¹⁾ Percentage of subjects in the same quartile of nutrient intakes from FFQ1 and FFQ2

²⁾ Percentage of subjects in the same or adjacent quartiles of nutrient intakes from FFQ1 and FFQ2

³⁾ Opposite (lowest/highest) quartiles

⁴⁾ Weighted kappa