Skip to main content

Table 5 Joint classification of nutrient intakes from three week-12 diet recalls and three week-28 diet recalls a

From: Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study

  Percentage in same quartile of intake for phase 1 and phase 2 recalls b
Nutrient Quartile 1 (low) Quartile 2 Quartile 3 Quartile 4 (high)
Carbohydrates (g) 44 32 30 36
Protein (g) 31 29 22 34
Dietary fiber (g) 31 34 27 53
Total fat (g) 37 27 38 31
Saturated fat (g) 39 29 32 46
Mono unsaturated fat (g) 39 22 38 36
Poly unsaturated fat (g) 27 29 30 25
Omega 3 fatty acids (g) 27 29 32 27
Cholesterol 29 29 35 44
Sucrose 47 29 27 41
Calcium 49 24 33 44
Iron (mg) 51 34 40 41
Magnesium (mg) 42 32 38 51
Phosphorus (mg) 39 25 27 44
Zinc (mg) 51 31 43 42
Vitamin A (IU) 41 25 38 37
Vitamin E (mg) 42 25 33 37
Vitamin C (mg) 51 32 25 42
Vitamin B1 (mg) 53 29 38 39
Vitamin B2 (mg) 54 29 30 44
Niacin (mg) 46 32 37 36
Folate (mcg) 54 32 42 41
Vitamin B6 (mg) 51 32 37 32
Vitamin B12 (mcg) 41 20 23 31
  1. a Excluded if calories > 4500 (n = 5) or age < 16 (n = 3) on the HSFFQ2 or HSFFQ3 (n = 237)
  2. b Nutrient intakes adjusted for total energy intake before quartile classification