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Table 4 Percentage of subjects into different levels of dietary intake according to RDAs for males (n = 42) and female (n = 69)

From: A preliminary investigation into diet adequacy in senior residents of Newfoundland and Labrador, Canada: a cross-sectional study

Nutrients Level of intake for males n (%) Level of intake for females n (%)
Recommendation RDA b <33% RDA 33%-65% RDA 66%-99% RDA ≥100% RDA Recommendation RDA b <33% RDA 33%-65% RDA 66%-99% RDA ≥100% RDA
Dietary fibre (g)a 30 2(4.8%) 15(35.7%) 17(40.5%) 8(19.0%) 21 1(1.5%) 4(5.8%) 12(17.4%) 52(75.4%)
Vitamin A (RAE) 900 1(2.4%) 5(11.9%) 8(19.0%) 28(66.7%) 700 0 2(2.9%) 5(7.2%) 62(89.9%)
Vitamin B6 (mg) 1.7 0 3(7.1%) 11(26.2%) 28(66.7%) 1.5 0 2(2.9%) 3(4.3%) 64(92.8%)
Vitamin B12 (mcg) 2.4   1(2.4%) 3(7.1%) 38(90.5%) 2.4 0 1(1.5%) 2(2.9%) 66(95.6%)
Vitamin C (mg) 90 1(2.4%) 2(4.8%) 3(7.1%) 36(85.7%) 75 0 1(1.5%) 1(1.5%) 67(97.0%)
Vitamin D (IU) 51-70y:600 > 70y:800 12(28.6%) 20(47.6%) 8(19.0%) 2(4.8%) 51-70y:600 > 70y:800 25(36.2%) 29(42.0%) 13(18.9%) 2(2.9%)
Vitamin E (mg) 15 7(16.7%) 21(50.0%) 11(26.2%) 3(7.1%) 15 10(14.5%) 38(55.1%) 16(23.2%) 5(7.2%)
Folate (DFE) 400 1(2.4%) 8(19.0%) 15(35.7%) 18(42.9%) 400 0 4(5.8%) 25(36.2%) 40(58.0%)
Vitamin K (mcg)a 120 4(9.5%) 2(4.8%) 17(40.5%) 19(45.2%) 90 0 6(8.7%) 13(18.8%) 50(72.5%)
Calcium (mg) 51-70y:1000 > 70y:1200 2(4.8%) 7(16.7%) 11(26.2%) 22(52.4%) 1200 2(2.9%) 13(18.8%) 22(31.9%) 32(46.4%)
Copper (mg) 0.9 0 0 5(11.9%) 37(88.1%) 0.9 0 0 3(4.3%) 66(95.7%)
Iron (mg) 8 0 0 4(9.5%) 38(90.5%) 8 0 0 4(5.8%) 65(94.2%)
Magnesium (mg) 420 0 12(28.6%) 20(47.6%) 10(23.8%) 320 0 2(2.9%) 19(27.5%) 47(68.1%)
Manganese (mg)a 2.3 0 0 4(9.5%) 38(90.5%) 1.8 0 0 2(2.9%) 67(97.1%)
Phosphorus (mg) 700 0 0 2(4.8%) 40(95.2%) 700 0 0 1(1.5%) 68(98.5%)
Selenium (mcg) 55 0 0 3(7.1%) 39(92.9%) 55 0 1(1.5%) 3(4.3%) 65(94.2%)
Sodium (mg)a 51-70y:1300 > 70y:1200 0 0 2(4.8%) 40(95.2%) 51-70y:1300 > 70y:1200 0 0 1(1.4%) 68(98.6%)
Zinc (mg) 11 0 6(14.3%) 14(33.3%) 22(52.4%) 8 0 1(1.5%) 7(10.1%) 61(88.4%)
  1. aadequate intake (AI) used.
  2. brecommended dietary allowance (RDA).