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Table 3 Intake of energy, micro- and macronutrients (mean (SD) and median) by SFFQ-2007 and SFFQ-1999, mean % difference, within person difference (SD) between the SFFQs and Spearman’s correlation (r) (n = 93)

From: Effect of changes in a food frequency questionnaire: comparing data from two national dietary survey instruments among 12-month-old infants

 

SFFQ-2007

SFFQ-1999

Mean % difference

Within person difference

Spearman’s correlation

 

Mean (SD)

Median

Mean (SD)

Median

%

SD

r

Energy (kJ)

4541.8 (1574.0)

4468.0

4565.1 (1542.2)

4393.0

−0.5

1618.1

0.46

Fat (g)

40.9 (15.8)

40.1

37.0 (15.6)

33.7

10.5*

16.4

0.47

Protein (g)

35.9 (13.7)

34.4

36.5 (13.5)

34.5

−1.6

15.1

0.40

Carbohydrates (g)

142.3 (51.6)

137.2

151.5 (52.8)

143.8

−6.1

54.1

0.49

Added sugar (g)

12.0 (12.0)

8.0

29.7 (22.6)

25.4

−59.6**

19.7

0.42

Calcium (mg)

681.4 (387.4)

585.0

615.1 (265.4)

600.0

10.8

367.4

0.49

Iron (mg)

10.1 (5.4)

8.9

10.0 (4.5)

10.1

1.0

5.3

0.50

Vitamin D (μg)

9.4 (5.6)

8.8

6.0 (4.7)

5.0

56.7**

5.4

0.42

% Energy from fats

33.5 (5.9)

33.7

29.7 (5.7)

29.3

12.5**

5.7

0.52

% Energy from proteins

13.5 (2.2)

13.5

13.7 (2.5)

13.3

−1.5

2.7

0.30

% Energy from carbohydrates

53.2 (5.9)

53.1

56.6 (6.5)

55.8

−6.0**

6.5

0.36

% Energy from sugar

4.7 (5.1)

3.4

11.1 (6.8)

10.0

−57.7**

7.0

0.26

  1. Mean % difference between the SFFQs = (mean difference (SFFQ-2007 minus SFFQ-1999)/mean SFFQ-1999)*100.
  2. *P < 0.05, **P < 0.01 (P is based on Wilcoxon’s signed rank test).