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Table 2 Median daily nutritional intake of male prisoners and guards based on 24-hour dietary recall data and gift recall data

From: Cross-sectional dietary deficiencies among a prison population in Papua New Guinea

  Prisoners n=148 Guards n=9 P 1
Median (P25, P75) Median (P25, P75)
Energy (kJ) 7430 (6170, 8600) 8360 (6990, 9150) NA2
Protein (g) 50.5 (41.2, 59.6) 73.3 (46.2, 78.2) NA2
Total fat (% energy) 13.0 (11.6, 15.0) 30.1 (26.8, 42.0) 0.002*
Saturated fat (% energy) 7.15 (6.07, 8.34) 13.6 (10.2, 16.9) 0.015*
Cholesterol (mg) 45.9 (29.9, 57.9) 109.0 (47.0, 158.0) 0.083
Carbohydrates (% energy) 76.4 (73.7, 82.0) 57.7 (47.1, 62.8) 0.002*
Total dietary fibre (g) 9.80 (8.08, 11.8) 16.9 (15.5, 17.4) 0.083
Total vitamin A (μg) 54.1 (14.8, 104) 666 (248, 857) 0.014*
 ß-carotene equiv (μg) 556 (27.6, 1100) 6620 (1035, 7710) 0.069
 Retinol (μg) 12.4 (7.66, 16.6) 129 (52, 159) 0.083
Thiamin (mg) 1.09 (0.875, 1.30) 0.97 (0.75, 1.10) 0.372
Riboflavin (mg) 0.308 (0.242, 0.383) 0.812 (0.614, 1.09) 0.001*
Niacin equiv. (mg) 23.7 (19.5, 28.2) 22.8 (21.5, 27.1) 0.746
Vitamin B6 (mg) 1.57 (1.02, 1.85) 1.58 (1.13, 1.87) 0.717
Vitamin B12 (μg) 2.83 (1.49, 3.11) 3.06 (2.11, 4.59) 0.495
Folate (μg) 76.4 (61.3, 93.1) 238 (108, 263) 0.015*
Vitamin C (mg) 5.7 (1.3, 10.2) 85.1 (29.5, 105.0) 0.012*
Vitamin E (mg) 1.68 (1.15, 2.30) 7.69 (4.55, 9.84) 0.015*
Sodium (mg) 1560 (1230, 1920) 1710 (1350, 2340) 0.717
Magnesium (mg) 182 (150, 223) 290 (233, 328) 0.083
Potassium (mg) 677 (512, 870) 1970 (1560, 2844) 0.002*
Calcium (mg) 137 (107, 202) 382 (287, 496) 0.015*
Iron (mg) 12.7 (10.3, 15.3) 13.7 (10.3, 16.3) 0.717
Zinc (mg) 8.71 (6.78, 10.4) 7.92 (4.90, 9.72) 0.746
  1. 1 Generated from Median test.
  2. 2 NA – Not Applicable; Prisoners and guards have different requirements based on body mass.
  3. * Significant P-value p<0.05.