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Table 1 General and Clinical characteristics of the participants at the baseline

From: Curcumin and zinc co-supplementation along with a loss-weight diet can improve lipid profiles in subjects with prediabetes: a multi-arm, parallel-group, randomized, double-blind placebo-controlled phase 2 clinical trial

Variables Groups P-value
Placebo
N = 20
Curcumin
N = 21
Zinc
N = 21
Curcumin and Zinc
N = 20
Qualitative variables
 Age (year) 34.19 ± 7.03 36.95 ± 7.23 38.19 ± 4.87 34.48 ± 6.45 0.14
 Weight (kg) 84.67 ± 9.78 82.6 ± 8.03 81.81 ± 13.08 80.57 ± 10.17 0.65*
 Body mass index (kg/m2) 30.97 ± 2.33 30.46 ± 2.75 29.5 ± 2.82 29.95 ± 2.56 0.32*
 Waist circumstance (cm) 108.01 ± 10.18 107.44 ± 9.9 103.39 ± 11.75 106.77 ± 10.19 0.493*
 Hip circumstance (cm) 111.76 ± 7.16 112.47 ± 6.84 109.79 ± 6.04 108.88 ± 5.15 0.242*
 Physical activity 445 (396–853.88) 990 (495–1860) 396 (396–1440) 396 (396–982) 0.03#
 Systolic blood pressure (mmHg) 110.56 ± 9 117.7 ± 6.9 115.7 ± 7.8 114.5 ± 8.2 0.437
 Diastolic blood pressure (mmHg) 70.43 ± 4.3 75 ± 3.6 73 ± 5.1 73.3 ± 4.2 0.644
 Fat (gr) 30.47 ± 3.85 32.03 ± 3.42 32.03 ± 3.6 30.25 ± 4.1 0.26*
Quantitative variables
 Gender (female) 12 (60) 16 (76.2) 15 (71.5) 13 (65) 0.837#
 Education levels
  University education 10 (50) 14 (66.7) 12 (57.1) 12 (60) 0.585#
  Diploma 6 (30) 6 (28.6) 4 (19.1) 6 (30)
  Under diploma 4 (20) 1 (4.8) 5 (23.8) 2 (10)
  1. Data are presented as mean ± standard deviation (SD) for quantitative variables and frequency (%) for qualitative variables
  2. *P-value was calculated for the comparison variables between four groups using one-way analysis of variance (one-way ANOVA)
  3. #P-value was calculated for the comparison variables between four groups using Kruskal–Wallis
  4. P-value < 0.05 was considered significant