Table 4 Reproducibility of food group consumptions of the SFFQ (n = 201)

Means of differences, in grams (foods) or ml (beverages) (SD)

Unadjusted

ICC

% of subjects classified in same tertile^a

% of subjects classified in same or adjacent quintile

% of misclassified subjects

Whole-grain bread and substitutes^b

29.4 (50.7)

−3.8 (66.8)

0.47

0.41

63

White bread and substitutes

86.4* (91.3)

−18.1 (112.0)

0.40

0.34

52

73

1

Breakfast cereals^b

2.0 (7.5)

−0.4 (7.9)

0.63

0.55

89

Whole-grain pasta, rice and wheat^b

23.4 (38.6)

−0.5 (51.2)

0.43

0.32

57

White pasta, rice and wheat

49.7 (57.6)

−3.6 (66.1)

0.54

0.40

54

74

1

Legumes^b

27.5 (50.0)

−6.5 (84.7)

0.46

0.04

58

French fries and other fried tubers^b

11.1 (15.1)

−0.9 (19.2)

0.49

0.22

58

Potatoes and other tubers (not fried)

54.8 (54.2)

−0.6 (61.1)

0.46

0.41

59

69

2

Cooked vegetables

102.4 (112.5)

−6.5 (97.7)

0.64

0.65

62

80

1

Raw vegetables

38.1 (45.8)

−2.6 (42.0)

0.54

0.53

63

74

1

Pizza, lasagna and quiche^b

12.7 (19.0)

−0.5 (20.2)

0.55

0.44

56

Sandwich, burgers and kebab^b

4.2* (11.5)

−2.8 (19.6)

0.70

0.35

82

Fish fingers/breaded meat^b

5.9 (13.4)

−2.6 (28.5)

0.47

0.02

64

Sausages and other processed meat^b

23.5 (39.0)

3.3 (37.7)

0.63

0.36

63

Poultry/rabbit

30.8 (50.8)

−1.6 (41.0)

0.50

0.69

51

74

2

Meat

39.2 (40.2)

−6.1 (49.6)

0.50

0.37

61

75

5

Offal^b

3.5* (12.3)

−0.7 (13.7)

0.47

0.13

69

Eggs

16.5* (17.9)

−4.5 (24.5)

0.55

0.41

49

75

1

Fish

16.6 (17.8)

0.1 (18.4)

0.49

0.39

50

73

1

Seafood (excluding fish)^b

3.2 (5.3)

−1.9 (11.7)

0.57

0.18

64

Milk^b

96.3 (248.8)

−2.8 (196.4)

0.77

0.57

81

Yoghurt, fromage blanc, cottage cheese

84.0 (82.1)

−9.8 (88.0)

0.63

0.53

70

84

1

Cream dessert^b

20.2 (42.9)

3.5 (40.7)

0.72

0.46

72

Cheese

26.6 (40.0)

0.5 (40.4)

0.54

0.27

60

77

3

Butter, crème fraîche^b

11.6 (18.7)

−0.4 (18.9)

0.58

0.42

56

Margarine, mayonnaise^b

4.7 (10.3)

−0.6 (8.0)

0.62

0.73

63

Olive oil^b

5.6 (7.2)

−1.4 (8.6)

0.63

0.51

66

Rapeseed oil, walnut oil, mixed oil^b

3.5 (6.5)

−0.4 (7.9)

0.61

0.32

64

Sunflower oil, groundnut oil^b

1.8 (4.5)

−0.4 (3.5)

0.53

0.73

66

Salty snacks^b

2.8 (5.2)

−0.3 (6.4)

0.54

0.38

61

Sweet snacks, chocolate and viennoiseries^b

19.5 (38.6)

−8.4 (75.3)

0.53

0.32

55

Fruit

292.7* (283.1)

−21.1 (319.4)

0.51

0.34

59

75

2

Water

971.1 (672.8)

36.4 (670.8)

0.46

0.47

55

75

3

Coffee

366.6 (428.5)

−15.1 (406.1)

0.71

0.57

64

83

1

Tea and herb teas^b

113.0 (250.7)

−24.2 (260.4)

0.79

0.58

76

Fruit juice^b

103.4 (246.3)

10.2 (256.6)

0.59

0.28

63

Sweet beverages^b

98.1 (441.1)

21.0 (404.4)

0.51

0.35

75

Artificially-sweetened beverages^b

71.7* (363.3)

−18.5 (427.1)

0.59

0.34

81

Wine^b

81.4 (143.2)

−12.9 (127.5)

0.86

0.73

84

Other alcoholic beverages^b

30.4 (78.5)

-14.8 (155.3)

0.71

0.38

71