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. 2013 Feb 19;12:26. doi: 10.1186/1475-2891-12-26

Table 3.

Mean daily nutrient and food intakes and Pearson correlation coefficients among pregnant women of the INMA-Valencia Study, 2004–2006

  FFQ1a
 FFQ2 a
 P b
 Pearson coefficient correlations between FFQ1 and FFQ2
 Percent of agreement e
Mean (SD) Mean (SD)     Unadjusted c Adjusted d  
Nutrients (units/day)
            
Energy (kcals)
 2304 (587)
 2212 (633)
 <0.001
   0.58
  
 75.4
Protein (g)
 102 (25)
 99 (27)
 <0.001
   0.53
 0.49
 75.8
Total carbohydrates (g)
 261 (81)
 253 (86)
 0.005
   0.57
 0.36
 73.8
Dietary fiber (g)
 24 (8)
 22 (8)
 <0.001
   0.48
 0.43
 68.8
Cholesterol (mg)
 340 (109)
 332 (113)
 0.070
   0.48
 0.35
 72.0
Total fat (g)
 99 (29)
 93 (31)
 <0.001
   0.50
 0.35
 74.2
SFA (g/)
 31 (11)
 30 (11)
 0.026
   0.51
 0.38
 72.7
MUFA (g)
 46 (14)
 43 (14)
 <0.001
   0.46
 0.35
 69.6
PUFA (g)
 15 (6)
 14 (7)
 0.001
   0.49
 0.35
 73.0
Omega 3 (g)
 1.6 (0.5)
 1.5 (0.5)
 <0.001
   0.53
 0.50
 71.9
Omega 6 (g)
 13 (6)
 12 (6)
 0.001
   0.49
 0.35
 73.0
Retinol (μg)
 812 (819)
 844 (781)
 0.335
   0.51
 0.53
 76.2
α- carotene (μg)
 536 (468)
 532 (525)
 0.859
   0.50
 0.51
 71.6
β- carotene (μg)
 4499 (2438)
 4553 (2665)
 0.583
   0.55
 0.56
 72.7
Lutein+Zeaxanthin (μg)
 3157 (2455)
 3091 (2381)
 0.453
   0.59
 0.59
 75.7
Lycopene (μg)
 4410 (2727)
 5004 (3763)
 <0.001
   0.14
 0.06*
 57.7
β- Cryptoxanthin (μg)
 360 (253)
 362 (263)
 0.851
   0.38
 0.36
 67.0
Vitamin B6 (mg)
 2.1 (0.7)
 2.1 (0.8)
 0.684
   0.53
 0.50
 73.4
Folate (μg)
 305 (99)
 297 (106)
 0.034
   0.52
 0.48
 71.5
Vitamin B12 (μg)
 9.9 (5.7)
 9.7 (5.5)
 0.335
   0.46
 0.43
 70.8
Vitamin C (mg)
 144 (83)
 143 (86)
 0.720
   0.45
 0.44
 71.7
Vitamin D (μg)
 3.1 (1.9)
 3.3 (2.1))
 0.009
   0.55
 0.52
 71.5
Vitamin E (mg)
 11.4. (4.1)
 10.8 (4.5)
 0.001
   0.45
 0.37
 70.1
Calcium (mg)
 1289 (429)
 1320 (455)
 0.060
   0.51
 0.49
 71.4
Iron (mg)
 21 (6)
 20 (6)
 <0.001
   0.53
 0.40
 75.0
Magnesium (mg)
 387 (105)
 383 (107)
 0.215
   0.69
 0.57
 72.7
Sodium(mg)
 3411 (996)
 3171 (1043)
 <0.001
   0.49
 0.33
 72.8
Zinc (mg)
 28 (7)
 26 (7)
 <0.001
   0.52
 0.40
 74.1
Iodine f (μg)
 222 (88)
 226 (84)
 0.151
   0.70
 0.72
 80.5
Food groups (g/day)
              
Dairy Products
 468 (245)
 520 (262)
 <0.001
   0.55
 0.44
 72.8
Eggs
 20 (10)
 21 (11)
 0.288
   0.39
 0.36
 96.2
White meat
 33 (18)
 32 (23)
 0.129
   0.38
 0.37
 78.4
Red meat
 60 (32)
 54 (29)
 <0.001
   0.40
 0.36
 68.4
Processed meat
 42 (33)
 39 (33)
 0.034
   0.36
 0.33
 66.8
Lean fish
 25 (20)
 25 (20)
 0.264
   0.36
 0.36
 70.9
Fatty fish
 28 (23)
 28 (24)
 0.857
   0.41
 0.41
 68.6
Seafood
 11 (11)
 10 (9)
 <0.001
   0.43
 0.40
 70.8
Fruits
 293 (204)
 320 (217)
 0.004
   0.41
 0.38
 59.3
Vegetables
 216 (121)
 213 (126)
 0.554
   0.61
 0.62
 59.5
Nuts
 6 (11)
 5 (7)
 0.003
   0.23
 0.17
 79.1
Legumes
 31 (25)
 28 (23)
 0.005
   0.39
 0.38
 93.0
Cereals and Pasta
 119 (51)
 114 (49)
 0.015
   0.48
 0.43
 71.5
Bread
 103 (72)
 86 (65)
 <0.001
   0.38
 0.35
 64.3
Potatoes
 60 (38)
 55 (37)
 0.001
   0.39
 0.33
 66.9
Sweets and sugar
 53 (44)
 54 (48)
 0.438
   0.44
 0.37
 69.5
Vegetable fat 24 (14) 22 (14) <0.001   0.30 0.30 64.3

a FFQ1 administered between weeks 10–13th and FFQ2 between weeks 28–32nd of gestation; b P-value from paired t-test; c Nutrient crude intakes were log-transformed; d Adjusted for total energy intake; e Overall percentage categorized in the same or an adjacent quintile; f Iodine intake from diet and use of iodized salt; *P>0.05, all other coefficients, P<0.01; SFA, Saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, Polyunsaturated fatty acids.

(n=740).