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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