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Table 3 Mineral intakes in the studied 6-year-old children

From: Dietary intake in 6-year-old children from southern Poland: part 2 – vitamin and mineral intakes

Nutrient Reference values Girls ( n  = 64) Boys ( n  = 56) All children ( n  = 120) P Girls ( n  = 64) Boys ( n  = 56) All children ( n  = 120)
Mean SD Mean SD Mean SD   Median SE Median SE Median SE
Calcium               
  (mg) 8001 673 201 712 227 691 213 0.327 640 25 663 30 652 19
  (mg/1000 kcal) NA 378 96 374 99 376 97 0.799 371 12 374 13 371 9
Phosphorus               
  (mg) 4101 992 199 1050 227 1019 213 0.201 971 25 1021 30 994 19
  (mg/1000 kcal) NA 560 84 553 86 557 84 0.866 553 10 548 11 551 8
Magnesium               
  (mg) 1101 218 42 228 47 223 45 0.468 217 5 217 6 217 4
  (mg/1000 kcal) NA 123 18 120 19 122 18 0.386 124 2 123 3 123 2
Sodium               
  (mg) 10002 2876 557 3194 650 3024 620 0.023 2960 70 3125 87 2989 57
  (mg/1000 kcal) NA 1634 299 1685 265 1658 284 0.326 1630 37 1656 35 1645 26
Potassium               
  (mg) 31002 2450 471 2511 498 2478 482 0.493 2491 59 2453 66 2468 44
  (mg/1000 kcal) NA 1383 199 1326 212 1356 206 0.128 1377 25 1342 28 1366 19
Iron               
  (mg) 41 9.0 2.0 9.4 2.3 9.2 2.1 0.315 8.8 0.2 9.0 0.3 8.9 0.2
  (mg/1000 kcal) NA 5.1 1.0 5.0 1.0 5.0 1.0 0.446 4.8 0.1 4.7 0.1 4.8 0.1
Zinc               
  (mg) 41 6.7 1.3 7.2 1.3 6.9 1.3 0.041 6.6 0.2 7.1 0.2 6.8 0.1
  (mg/1000 kcal) NA 3.8 0.5 3.8 0.5 3.8 0.5 0.290 3.7 0.1 3.9 0.1 3.8 0.0
Copper               
  (mg) 0.31 0.88 0.18 0.93 0.19 0.90 0.19 0.134 0.86 0.02 0.91 0.03 0.87 0.02
  (mg/1000 kcal) NA 0.50 0.08 0.49 0.08 0.49 0.08 0.704 0.49 0.01 0.48 0.01 0.49 0.01
Manganese               
  (mg) 1.52 3.00 0.79 3.23 0.77 3.11 0.79 0.106 2.90 0.10 3.17 0.10 3.09 0.07
  (mg/1000 kcal) NA 1.70 0.41 1.71 0.38 1.70 0.40 0.829 1.69 0.05 1.62 0.05 1.66 0.04
Iodine               
  (μg) 651 129.3 31.9 138.4 35.7 133.5 33.9 0.144 130.5 4.0 136.0 4.8 132.3 3.1
  (μg/1000 kcal) NA 73.8 19.6 73.4 18.4 73.6 19.0 0.925 71.5 2.4 72.2 2.5 71.7 1.7
  1. NA – not available; P – significance.
  2. 1EAR; 2AI.