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Table 2 Nutrient and food-group intake of subjects by maternal education level

From: Effects of maternal education on diet, anemia, and iron deficiency in Korean school-aged children

Nutrients Low (n= 268) High (n= 449) P-value a
  Mean SD Mean SD  
Energy intake (kcal) 1649.0 344.9 1746.7 370.5 0.0003
Fat (g) 45.1 15.0 50.3 17.2 <.0001
Carbohydrate (g) 245.5 55.5 253.6 51.9 0.0379
Protein (g) 66.6 15.7 71.3 18.9 0.0004
Plant protein (g) 33.1 8.0 33.4 8.5 0.5566
Animal protein (g) 33.5 11.7 37.9 15.7 <.0001
Vitamin A (μg RE) 736.5 352.1 712.1 308.0 0.2286
Vitamin B1 (mg) 1.2 0.4 1.3 0.4 0.0214
Vitamin B2 (mg) 1.1 0.4 1.1 0.4 0.4561
Niacin (mg) 15.2 4.9 16.2 5.4 0.0120
Vitamin B6 (mg) 1.9 0.6 1.9 0.6 0.4019
Vitamin C (mg) 85.0 43.4 75.3 35.8 0.0038
Vitamin E (mg) 12.7 4.6 12.9 4.8 0.6882
Folate (μg) 234.1 85.7 216.3 75.5 0.0068
Zinc (mg) 8.2 3.0 8.8 3.5 0.0336
Calcium (mg) 512.5 187.1 498.0 198.5 0.4101
Phosphorus (mg) 958.8 240.1 997.6 268.0 0.0425
Sodium (mg) 4051.9 1259.8 3914.6 1147.8 0.1776
Potassium (mg) 2504.3 757.1 2456.1 697.5 0.2910
Iron (mg) 11.8 3.5 12.1 3.4 0.2981
Plant iron (mg) 9.0 3.0 8.9 2.9 0.7432
Animal iron (mg) 2.9 1.1 3.2 1.5 0.0012
Fiber (g) 18.1 7.9 16.6 5.0 0.0038
Cholestrol (mg) 292.2 140.5 305.9 141.8 0.1112
% Energy      
Carbohydrate (%) 59.6 5.9 58.4 6.0 0.0101
Protein (%) 16.2 2.1 16.3 2.2 0.5912
Fat (%) 24.5 5.4 25.6 5.5 0.0067
Low iron intake ( n , %) b 56 (20.9) 69 (15.4) 0.0591
Food group (g)
Cereal & grain products 271.1 73.0 285.8 75.4 0.0051
Potatoes & starch 37.8 36.9 39.4 44.7 0.6973
Sugars & sweet 5.8 5.1 6.5 7.0 0.1781
Legumes & their products 35.6 37.7 32.6 32.5 0.4730
Seeds & nuts 3.7 8.6 3.0 7.8 0.4275
Vegetables 258.0 114.6 223.5 96.0 <.0001
Fungi and mushroom 3.3 12.4 2.9 9.9 0.6945
Fruit 128.7 147.7 134.0 138.9 0.9898
Meat, poultry, & their products 77.7 50.4 99.8 73.6 <.0001
Eggs 30.5 25.8 30.2 24.2 0.7095
Fish & shell fish 43.6 31.9 49.5 40.0 0.0362
Seaweed 3.2 5.2 2.9 5.2 0.6127
Milk & milk products 133.3 119.9 121.2 121.7 0.2809
Beverages 46.4 41.2 44.9 37.9 0.8627
Oil (plant) 8.7 4.2 8.8 4.5 0.4033
Fat (animal) 0.2 1.0 0.2 0.7 0.4738
  1. RE retinol equivalent
  2. a P-value by generalized linear model adjusted by age and sex
  3. b Iron EAR criteria: 9 mg/day