Table 4

Food intake assessed by the food frequency questionnaire and two 24-hour dietary recalls and differences between both methods: mean and standard deviation (SD)

Food intake (g/d)


Food frequency questionnaire

24-hour dietary recalls

Differences FFQ - 24-hour dietary recalls


Food group

N

Mean

SD

Mean

SD

Mean

SD

P*


Coffee

159

403.5

343.2

509.4

406.3

-105.8

313.3

< 0.001

Alcoholic beverages

155

126.8

183.8

174.6

277.4

-47.8

180.6

0.059

Tea

159

324.6

479.2

350.9

493.4

-26.3

374.2

0.161

Meat products

161

29.7

28.0

44.3

45.7

-14.6

43.3

< 0.001

Sweets

159

50.9

52.0

65.4

62.9

-14.5

63.2

0.008

Pasta, noodles

161

23.8

21.6

34.1

61.8

-10.3

58.2

0.896

Butter and margarine

161

8.3

9.4

17.7

17.8

-9.4

14.7

< 0.001

Sweet spreads

159

9.8

10.2

18.8

22.4

-8.9

18.7

< 0.001

Fast food

159

10.5

15.7

18.3

41.2

-7.9

38.1

0.626

Fish

161

16.9

19.0

21.5

49.9

-4.7

49.2

0.026

Breakfast cereals

161

3.6

7.2

7.2

19.9

-3.6

16.6

0.857

Processed fruits

160

6.6

11.9

10.1

32.0

-3.5

31.0

0.029

Pizza

160

14.6

19.4

16.9

62.5

-2.2

63.1

< 0.001

Salty snacks

161

4.6

9.0

6.2

15.4

-1.6

14.0

0.099

Bread

153

143.6

98.5

144.7

76.6

-1.1

94.8

0.401

Eggs

161

12.5

10.9

13.5

23.3

-0.9

23.5

0.419

Cream cheese

161

4.3

8.0

4.7

14.8

-0.4

13.0

0.002

Legumes

158

14.3

21.9

13.8

36.9

0.5

40.5

0.003

Meat

160

52.7

46.4

52.1

58.6

0.6

66.0

0.501

Cooked vegetables

158

54.6

51.5

50.9

51.7

3.7

68.7

0.474

Cheese

161

26.2

25.9

16.2

18.2

9.8

25.5

< 0.001

Rice

161

19.2

21.6

9.1

27.4

10.1

30.3

< 0.001

Potatoes

160

85.8

57.1

70.6

82.7

15.2

81.8

< 0.001

Raw vegetables

158

72.9

81.8

39.4

48.8

33.5

77.3

< 0.001

Curd cheese, soured milk, yoghurt

160

95.1

107.3

57.6

86.7

37.5

111.4

< 0.001

Non alcoholic beverages

149

357.8

473.0

288.2

378.4

69.6

394.3

0.003

Fresh fruits

161

247.7

81.8

174.9

174.2

72.8

280.0

< 0.001

Water

138

842.3

608.7

743.3

514.1

99.0

594.6

0.292

Milk

158

220.2

244.7

111.5

170.3

108.7

249.6

< 0.001


* Sign rank test

Haftenberger et al. Nutrition Journal 2010 9:36   doi:10.1186/1475-2891-9-36

Open Data