Table 4.
The numbers and percentages of individuals classified into the same tertile and misclassified, accompanied by the numbers and percentages of individuals from the same or conflicting Vitamin D intake adequacy category presented for three-day dietary record and VIDEO-FFQ conducted twice (FFQ1, FFQ2) compared in pairs.
| Category | Number | FFQ1 vs. 3-Day Dietary Record | FFQ2 vs. 3-Day Dietary Record | FFQ1 vs. FFQ2 | |
|---|---|---|---|---|---|
| Percentage of Individuals | |||||
| Individuals classified into the same tertile | n | 45 | 37 | 56 | |
| % | 60.0 | 49.3 | 74.7 | ||
| Individuals misclassified (classified into opposite tertiles) | n | 4 | 8 | 1 | |
| % | 5.3 | 10.7 | 1.3 | ||
| Individuals of the | same Vitamin D intake adequacy category | n | 62 | 64 | 68 |
| % | 82.7 | 85.3 | 90.7 | ||
| conflicting Vitamin D intake adequacy category | n | 13 | 11 | 7 | |
| % | 17.3 | 14.7 | 9.3 | ||
FFQ1—VIDEO-FFQ filled out right after conducting 3-day dietary record; FFQ2—VIDEO-FFQ filled out six weeks after FFQ1.