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. 2014 Dec 17;13:119. doi: 10.1186/1475-2891-13-119

Table 2.

Median, interquartile range, Wilcoxon test, quintiles comparison, weighted kappa of 24 food groups daily intakes

ASSO-FFQ1 ASSO-FFQ2 Difference between medians a % correct classified % correct or adjacent classified % all the others Weighted kappa
Food groups Median First quartile Third quartile Median First quartile Third quartile
Vegetables (g) 112.85 48.57 232.86 95.35 29.65 238.57 17.50 33 74 26 0.51
Fresh fruit (g) 150.00 67.15 307.14 150.00 64.29 302.86 0.00 38 77 23 0.58
Dried fruit (g) 0.00 0.00 0.36 0.00 0.00 1.07 0.00 58 83 17 0.21
Nuts (g) 0.21 0.00 0.57 0.00 0.00 0.21 0.21 54 86 14 0.39
Legumes (g) 21.43 10.36 51.43 22.85 8.57 47.15 -1.42 31 64 36 0.33
Breakfast cereals (g) 1.07 0.00 19.29 1.61 0.00 19.29 -0.54 30 82 18 0.47
White bread (g) 47.14 18.57 84.29 45.72 17.14 98.58 1.42 31 62 38 0.33
Bread substitutes (g) 20.64 10.64 44.13 17.25 7.07 37.36 3.39* 29 70 30 0.49
Pasta/rice/couscous (g) 119.29 60.00 216.79 108.57 47.14 192.86 10.72 37 74 26 0.47
Potatoes (g) 69.65 34.29 120.01 60.00 26.43 109.29 9.65 38 69 31 0.48
Sweets (g) 95.40 41.58 188.99 89.16 41.72 172.99 6.24 37 77 23 0.56
Cheeses/yogurt (g) 50.36 15.89 119.29 46.96 16.25 112.14 3.40 40 73 27 0.46
Fishery products (g) 32.22 11.79 75.28 36.43 13.94 72.15 -4.21 41 77 23 0.56
Meat (g) 171.45 104.64 256.08 164.29 96.43 280.72 7.16 36 75 25 0.47
Eggs (g) 8.57 2.14 25.71 8.57 2.14 8.57 0.00 50 70 30 0.41
Animal fats (g) 0.71 0.18 2.14 0.89 0.18 2.32 -0.18 39 73 27 0.56
Oils (g) 36.97 22.51 63.71 34.12 20.37 57.62 2.85 34 70 30 0.42
Savoury food (g) 222.85 122.84 367.85 194.99 107.84 295.69 27.86* 37 72 28 0.41
Water (ml) 4 000.00 2 000.00 6 000.00 3 000.00 1 000.00 4 000.00 1 000.00** 35 63 37 0.32
Soft drinks (ml) 53.57 8.92 254.46 29.65 4.46 153.22 23.92*** 39 91 9 0.59
Fruit juice (ml) 85.71 14.28 200.00 35.71 7.14 171.42 50.00 34 68 32 0.51
Milk (ml) 196.43 35.71 250.00 116.07 17.86 250.00 80.36 43 79 21 0.57
Tea/coffee (ml) 35.71 3.58 100.00 39.29 1.79 100.00 -3.58 51 84 16 0.57
Alcoholic drinks (ml) 36.43 7.50 127.85 47.14 11.79 153.57 -10.71 57 89 11 0.66

*P < 0.05; **P < 0.01; ***P < 0.001.

aMedians significantly different (Wilcoxon signed rank test for difference) between paired observations.