Table 2 Reproducibility and validation study: Correlation coefficient and Wilcoxon signed-rank test for validity and ICC for reproducibility
| Â | FFQ | 3DR4 | Wilcoxon signed rank test (p Value)1 | Correlation coefficient2 | ICC3 |
|---|---|---|---|---|---|
Mean ± SD | Mean ± SD | ||||
Carbohydrate (g) | 262.22(92.28) | 235.75(84.97) | 0.013 | 0.7 | 0.52 |
Protein (g) | 63.42(22.62) | 58.75(20.94) | 0.059 | 0.63 | 0.54 |
Fat (g) | 64.02(25.76) | 60.28(24.58) | 0.136 | 0.61 | 0.51 |
Calcium (mg) | 748.58(335.10) | 696.48(272.37) | 0.434 | 0.54 | 0.59 |
Fe (mg) | 13.65(5.01) | 12.77(4.78) | 0.016 | 0.75 | 0.74 |
Magnesium (mg) | 218.52(76.82) | 201.07(81.82) | 0.013 | 0.65 | 0.60 |
Vitamin C (mg) | 97.48(54.55) | 95.75(62.34) | 0.211 | 0.77 | 0.62 |
Vitamin A (µg) | 777.25(503.65) | 745.43(532.87) | 0.915 | 0.68 | 0.70 |
Vegetables (g) | 170.65(87.34) | 175.79(107.75) | 0.866 | 0.59 | 0.75 |
Fruits (g) | 280.38(155.49) | 284.13(170.27) | 0.135 | 0.68 | 0.65 |
Meat and its products (g) | 89.56(41.06) | 78.41(34.25) | 0.124 | 0.68 | 0.75 |
Dairy products (g) | 394.29(224.29) | 370.29(192.16) | 0.541 | 0.89 | 0.62 |