Table 6. Agreement proportions in quartile distributions of energy and 15 nutrients between first administration of the FFQ and 8-day food records.
1) Percentage of subjects in the same quartile of nutrient intakes from FFQ1 and 8-day food records
2) Percentage of subjects in the same or adjacent quartiles of nutrient intakes from FFQ1 and 8-day food records
3) Opposite (lowest/highest) quartiles
4) Weighted kappa