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Table 3 Differences between mean dietary intakes reported by the R24W and the FR in the 2nd trimester

From: Validation of a self-administered web-based 24-hour dietary recall among pregnant women

 

R24W (SD)

FR (SD)

% difference

Pearson correlation

Energy (kcal)

2357 (489)

2239 (506)

5.3*

0.68*

Carbohydrates (g)

286.7 (67.7)

279.1 (76.2)

2.7

0.76*

Fat (g)

94.3 (26.1)

84.9 (22.6)

11.1*

0.60*

Proteins (g)

99.6 (20.1)

98.5 (22.6)

1.1

0.37*

% Carbohydrates

48.7 (5.4)

49.7 (6.0)

−2.0

0.53*

% Fat

35.8 (4.9)

34.1 (4.8)

5.0*

0.48*

% Proteins

17.2 (3.0)

17.8 (3.1)

−3.4

0.58*

SFA (g)

34.7 (11.7)

30.3 (10.4)

14.5*

0.48*

Cholesterol (mg)

289.4 (95.2)

322.6 (134.4)

−10.3

0.29*

Vitamin A (μg)

943.6 (412.4)

932.0 (630.3)

1.2

0.31*

Thiamin (mg)

2.0 (0.6)

1.9 (0.6)

5.3

0.68*

Riboflavin (mg)

2.4 (0.6)

2.3 (0.7)

4.3

0.46*

Niacin (mg)

26.7 (5.7)

27.2 (9.3)

−1.8

0.48*

Vitamin B6 (mg)

1.9 (0.5)

1.9 (0.6)

0

0.44*

Folic Acid (μg)

400.5 (100.8)

405.9 (144.1)

−1.3

0.54*

Vitamin B12 (μg)

5.5 (2.6)

5.1 (2.6)

7.8

0.03

Vitamin C (mg)

139.9 (85.6)

162.0 (83.9)

−13.6*

0.69*

Vitamin D (IU)

272.0 (132.6)

225.6 (131.4)

20.6*

0.27*

Magnesium (mg)

398.9 (100.4)

359.3 (113.9)

11.0*

0.57*

Phosphorus (mg)

1678.1 (370.8)

1557.1 (384.4)

7.8*

0.43*

Zinc (mg)

13.3 (3.1)

11.9 (3.0)

11.8*

0.28*

Iron (mg)

15.9 (4.7)

15.9 (4.9)

0

0.58*

Calcium (mg)

1372.3 (500.0)

1128.3 (447.0)

21.6*

0.51*

Potassium (mg)

3302.9 (826.4)

3326.1 (848.5)

−0.7

0.62*

Sodium (mg)

3322.0 (891.3)

3088.9 (1038.3)

7.5

0.51*

Dietary fibers (g)

24.8 (8.2)

24.2 (6.8)

2.5

0.71*

Average

  

6.7

0.50

  1. *T-test and Pearson correlation coefficients with a P value < 0.05