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Table 2 Dietary intakes and physical activity in the Zinc and Placebo groups

From: Zinc supplementation improves body weight management, inflammatory biomarkers and insulin resistance in individuals with obesity: a randomized, placebo-controlled, double-blind trial

VariablesZinc groupPlacebo groupp-value
BaselineWeek 15Mean changeBaselineWeek 15Mean changeP1P2P3
Energy (kcal/d)1727.12 ± 378.761463.49  ±  424.07− 263.62 ± 514.361643.97 ± 476.191542.96 ± 500.29− 101.01 ±  481. 080.4980.5470.254
P40.0170.304
Protein (g/d)64.34  ± 11.4260.64 ± 7.16− 9.63 ± 6.9869.73 ± 11.7861.44 ± 19.38− 7.52 ± 18.990.1560.6880.453
P40.2090.057
Carbohydrate (g/d)237.99 ± 60.18201.79 ± 65.89− 36.27 ± 82.69223.19 ± 55.26208.57 ± 69.33− 14.62 ± 57.370.3700.7220.288
P40.0380.215
Fat (g/d)58.83 ± 15.4350.64 ± 15.36− 8.18 ± 22.2855.31 ± 19.7649.23 ± 15.93− 6.07 ± 20.930.4860.7520.731
P40.0790.160
SFA (g/d)14.01 ± 4.5512.64 ± 3.91− 1.37 ± 5.2516.34 ± 15.0614.84 ± 4.95− 1.50 ± 14.450.4830.0890.965
P40.2050.607
MUFA (g/d)18.41 ± 5.7817.69 ± 5.48− .71 ± 4.1017.79 ± 6.5218.98 ± 5.250.53 ± 8.000.7220.6830.491
P40.3910.742
PUFA (g/d)23.70 ± 8.8418.95 ± 8.68− 4.75 ± 10.6820.57 ± 8.9216.23 ± 8.58− 4.34  ± 10.040.2190.2720.88
P40.0360.041
Cholesterol (mg/d)179.86 ± 87.60184.76 ± 92.004.89 ± 110.06189.21 ± 67.111999.92 ± 86.2110.71  ± 77.500.6740.5500.830
P40.8260.496
Zinc (mg/d)14.01 ± 1.1414.02 ± 0.740.19 ± 0.9413.5 ± 1.1813.80 ± 1.340.30 ± 0.700.1270.2040.624
P40.3170.04
Physical activity (MET/day)32.87 ± 3.4032.77 ± 3.62− 0.09 ± 0.6732.23 ± 4.3832.44 ± 4.330.21 ± 0.650.5670.7700.107
P40.4810.119
  1. All values are mean ± SD
  2. SFA saturated fatty acids, MUFA monounsaturated fatty acid, PUFA polyunsaturated fatty acid
  3. P1: p-values for comparison of variables between two group by independent T-test at baseline
  4. P2: p-values for comparison of variables between two group by independent T-test at week 15
  5. P3: p-values for comparison of mean change of variables between two group by independent T-test
  6. P4: p-values for comparison of variables within groups by Paired T-test