Table 4

Mean of food intake assessed by the FFQ and mean of difference between both methods

Food group

n

FFQ

Mean difference*

Mean difference%**

P2.5-P97.5 of mean difference

Mean

SD


Milk

1205

230.2

355.8

3.1

1.4

-406.1-738.5

Soda

1205

383.9

698.6

-44.8

-11.0

-1518.8-1608.4

Sport/energy drinks

1201

26.0

110.7

11.5

56.8

-85.5-200

Juice

1200

306.3

526.9

-172.6

-44.0

-1456.8-964.1

Tap water

1204

246.3

622.4

142.3

81.2

-599.1-2090

Mineral water

1206

636.2

922.0

-60.3

-9.0

-1845-2248.8

Fruit/herbal tea

1203

75.1

206.1

-23.7

-27.2

-522.9-277.9

Green/black tea

1207

33.4

182.2

8.1

27.6

-116.8-150

Coffee

1208

24.3

87.7

-6.4

-23.2

-159.5-113

Breakfast cereals

1207

21.5

33.8

-3.7

-15.8

-89.8-66.6

Brown bread1

1206

64.0

95.1

9.5

16.0

-190-250

White bread2

1210

66.6

86.8

-30.1

-36.9

-197.3-187.2

Butter

1193

5.2

9.4

-4.7

-62.3

-43.1-18.4

Margarine

1206

4.0

8.3

-5.6

-82.4

-45.3-10

Cheese

1203

24.9

40.2

5.9

26.9

-49.2-111

Curd3

1206

73.5

103.9

14.2

21.4

-137.2-200

Cream cheese

1200

6.5

19.2

1.4

24.3

-18.6-30

Eggs

1200

13.2

22.5

0.3

2.3

-32.8-40

Soup

1209

75.4

118.6

8.0

11.2

-181.4-185.7

Meat

1202

43.2

60.6

3.3

8.0

-86.4-113.6

Poultry

1199

24.1

33.1

8.9

45.3

-38-81.3

Meat products

1200

20.4

24.5

-26.3

-78.3

-119.3-30.6

Fish

1210

10.8

17.9

-0.3

-2.7

-34.4-30.9

Fruits

1207

214.7

304.1

12.9

6.2

-392.9-650.5

Vegetables

1192

137.3

158.2

-36.8

-23.6

-370.2-263.6

Pasta/rice

1208

52.4

61.2

35.0

100.3

-36.8-183.3

Potatoes

1207

79.6

79.0

18.0

25.5

-102.7-196.9

Potato products

1209

21.4

45.5

0.4

1.9

-62.1-64.3

Fast food4

1209

22.7

72.2

-11.3

-39.8

-110.4-41.8

Ketchup/mayonnaise

1205

4.2

9.9

-1.5

-30.0

-25.5-14.2

Cakes/pastries

1208

25.1

36.2

6.1

27.7

-52.9-97.5

Cookies

1203

5.8

10.5

-1.1

-17.5

-36.7-23.5

Sweets5

1201

28.8

53.5

-10.0

-29.6

-97.8-70.3

Ice cream

1205

34.2

100.2

22.0

95.0

-20.5-150

Pudding/rice pudding

1212

17.1

37.1

-6.6

-32.4

-94.9-52.4

Pancakes

1211

12.7

55.0

3.7

34.1

-30.1-35.7

Sweet spreads

1208

5.1

8.9

-3.0

-45.8

-33.1-14.1

Hazelnut spread

1205

6.0

12.4

-3.3

-43.1

-40-13.7

Salty snacks

1211

10.0

30.8

2.4

27.3

-24.4-36.8

Nuts

1210

1.3

5.3

-1.2

-64.9

-18.9-5.4


Abbreviation: FFQ (food frequency questionnaire), P (percentile), SD (standard deviation)

*Calculated according to formula: mean of difference = Mean (FFQ - DISHES);

**Calculated using the formula: <a onClick="popup('http://www.nutritionj.com/content/10/1/133/mathml/M2','MathML',630,470);return false;" target="_blank" href="http://www.nutritionj.com/content/10/1/133/mathml/M2">View MathML</a>

1Brown bread, brown bun

2White bread, white bun

3Curd, yoghurt, soured milk

4Burger, doner kebab, fried/grilled sausage, curried sausage

5Sweets, fruit chews, chocolate

Truthmann et al. Nutrition Journal 2011 10:133   doi:10.1186/1475-2891-10-133

Open Data