Table 7 Reproducibility of food frequency questionnaire for intakes from each food group
From: Development and validation of a food frequency questionnaire for Japanese athletes (FFQJA)
| Â | 1st FFQJA (g/day) | 2nd FFQJA (g/day) | Correlation coefficient | ||||
|---|---|---|---|---|---|---|---|
Median | (Interquartile range) | Median | (Interquartile range) | Crude (95% CI) | Energy-adjusted (95% CI) | ICC (95% CI) | |
Cereals | 801.5 | (626.9, 952.3) | 676.8 | (552.8, 855.9) | 0.560 (0.265–0.759) | 0.595 (0.310–0.782) | 0.533 (0.257–0.729) |
Potatoes | 12.6 | (6.3, 22.2) | 12.6 | (6.3, 19.1) | 0.453 (0.135–0.687) | 0.447 (0.128–0.682) | 0.425 (0.122–0.656) |
Sugar | 0.0 | (0.0, 1.1) | 0.0 | (0.0, 2.1) | 0.859 (0.714–0.933) | 0.855 (0.707–0.931) | 0.903 (0.819–0.949) |
Nuts and seeds | 0.0 | (0.0, 1.1) | 0.0 | (0.0, 1.1) | 0.405 (0.080–0.652) | 0.421 (0.098–0.664) | 0.845 (0.719–0.917) |
Green and yellow vegetables | 48.5 | (24.7, 78.0) | 57.3 | (31.8, 92.7) | 0.693 (0.446–0.842) | 0.693 (0.446–0.842) | 0.826 (0.688–0.907) |
Other vegetables | 103.1 | (56.2, 150.8) | 109.2 | (61.8, 165.8) | 0.546 (0.247–0.750) | 0.607 (0.326–0.789) | 0.718 (0.517–0.844) |
Fruits | 143.8 | (67.2, 316.4) | 170.0 | (96.5, 254.3) | 0.767 (0.558–0.884) | 0.768 (0.560–0.885) | 0.583 (0.323–0.761) |
Mushrooms | 4.2 | (2.1, 8.6) | 2.1 | (2.1, 6.4) | 0.508 (0.200–0.725) | 0.507 (0.199–0.724) | 0.657 (0.427–0.808) |
Seaweed | 0.4 | (0.2, 1.1) | 0.4 | (0.2, 1.0) | 0.341 (0.009–0.605) | 0.428 (0.106–0.669) | 0.801 (0.647–0.892) |
Beans | 25.6 | (17.0, 44.5) | 27.3 | (16.8, 43.3) | 0.525 (0.221–0.736) | 0.524 (0.220–0.735) | 0.629 (0.387–0.790) |
Fish | 37.8 | (26.3, 56.5) | 39.9 | (21.0, 67.8) | 0.546 (0.247–0.750) | 0.593 (0.308–0.781) | 0.505 (0.221–0.710) |
Meat | 127.5 | (99.8, 192.7) | 159.5 | (106.0, 214.9) | 0.500 (0.190–0.719) | 0.473 (0.158–0.701) | 0.417 (0.112–0.651) |
Eggs | 42.0 | (21.0, 53.5) | 32.0 | (21.0, 55.9) | 0.807 (0.624–0.906) | 0.815 (0.637–0.910) | 0.750 (0.565–0.863) |
Dairy products | 177.7 | (82.4, 302.8) | 133.3 | (81.4, 241.3) | 0.624 (0.349–0.800) | 0.666 (0.407–0.826) | 0.673 (0.450–0.817) |
Oil | 21.2 | (13.8, 26.7) | 16.8 | (10.6, 21.3) | 0.546 (0.247–0.750) | 0.631 (0.358–0.804) | 0.520 (0.239–0.720) |
Sweets | 54.6 | (22.3, 90.6) | 47.9 | (20.5, 77.2) | 0.782 (0.583–0.893) | 0.815 (0.637–0.910) | 0.664 (0.437–0.812) |
Luxury drinks | 283.5 | (52.5, 536.3) | 150.5 | (78.8, 459.0) | 0.707 (0.466–0.850) | 0.587 (0.300–0.777) | 0.664 (0.437–0.812) |
Seasonings | 29.0 | (20.0, 45.5) | 28.0 | (16.8, 42.6) | 0.669 (0.411–0.828) | 0.729 (0.499–0.863) | 0.692 (0.478–0.829) |