Table 6 Nutrient intake validity between R24 and FFQ.2

Energy (Kcal)

0.871**

0.864 (0.806–0.906)

0.863 (0.807–0.904)

Proteins (g)

0.772**

0.781 (0.668–0.854)

0.884 (0.827–0.922)

0.883 (0.834–0.919)

Fats (g)

0.775**

0.769 (0.679–0.837)

0.840 (0.773–0.888)

0.838 (0.773–0.886)

Carbohydrates (g)

0.880**

0.840 (0.706–0.906)

0.855 (0.766–0.907)

0.853 (0.794–0.897)

Ca (mg)

0.212*

0.102(− 0.056–0.268)

0.046(− 0.058–0.167)

0.045(− 0.038–0.128)

P (mg)

0.731**

0.589 (0.259–0.762)

0.050(− 0.054–0.172)

0.049(− 0.028–0.126)

Na (mg)

0.911**

0.872 (0.752–0.927)

0.865 (0.741–0.923)

0.864 (0.809–0.904)

K (mg)

0.773**

0.773 (0.629–0.857)

0.723 (0.553–0.824)

0.721 (0.622—0.798)

Fe (mg)

0.504**

0.450 (0.277–0.593)

0.383 (0.195–0.542)

0.381 (0.242–0.505)

Tiamin (mg)

0.808**

0.798 (0.710–0.860)

0.207(− 0.046–0.548)

0.205 (0.148–0.261)

Riboflavin (mg)

0.907**

0.834 (0.738–0.958)

0.378 (0.04–0.743)

0.376 (0.300–0.446)

Vitamin B6 (mg)

0.764**

0.818 (0.742–0.873)

0.786 (0.701–0.849)

0.784 (0.701–0.847)

Folic Acid (μg)

0.843**

0.858 (0.792–0.895)

0.846 (0.772–0.895)

0.844 (0.781–0.891)

Vitamin B12 (μg)

0.628**

0.747 (0.629–0.827)

0.824 (0.752–0.877)

0.823 (0.751–0.876)

Vitamin C (μg)

0.751**

0.765 (0.647–0.843)

0.700 (0.570–0.792)

0.698 (0.589–0.782)

Vitamin A (μg)

− 0.11

− 0.11(− 0.190–0.173)

0.019(− 0.199–0.165)

− 0.019(− 0.05–0.012)

Vitamin D (μg)

0.08

− 0.026(− 0.218–0.166)

− 0.069(− 0.218–0.094)

− 0.068(− 0.154–0.019)