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Table 2 General demographic characteristics of study participants by tertiles of DPI

From: Dietary polyphenol intake, body composition and components of metabolic syndrome in a sample overweight and obese adults: a cross-sectional study

Variable

Tertiles of DPI

1st

(N=162)

2nd

(N=163)

3rd

(N=162)

P*  value

P*** value

596.16-643.43 (mg/d)

1103.12-1152.88 (mg/d)

1944.41-2305.54 (mg/d)

Mean

SD

Mean

SD

Mean

SD

Age (y)

39.65

9.21

40.76

8.74

41.53

9.55

0.30

-

Education [n (%) ≤ 12 y)]

29

25.7

21

18.2

30

25.8

0.72**

-

Marital status [n (%) Single]

13

11.5

14

12.3

18

15.9

0.99**

-

Gender [n (%) Male]

58

51.3

65

57

73

64.5

0.044**

-

Weight (kg)

91.49

14.11

91.13

14.13

93.70

15.22

0.35

-

Height (cm)

167.46

9.58

168.3684

10.11

168.05

9.99

0.78

-

BMI (kg/m2)

32.70

4.99

32.17

4.65

33.10

4.87

0.35

-

WC (cm)

105.93

9.44

106.56

9.69

107.65

9.83

0.40

-

FM (%)

35.48

7.83

32.58

10.09

33.19

9.39

0.17

-

FFM (%)

59.04

11.36

63.31

12.81

64.58

12.42

0.03

-

WHR

0.92

0.09

0.93

0.07

0.95

0.07

0.16

-

BMR (Kcal)

7474.01

1507.42

8032.14

1487.34

8089.51

1776.50

0.06

-

PA (met. min/week)

1339.94

2237.17

2769.06

3079.09

2468.53

3963.13

0.03

-

SBP (mmHg)

122.19

15.08

122.27

17.18

124.11

17.05

0.61

0.93

DBP (mmHg)

80.46

11.53

82.75

12.54

81.80

11.01

0.34

0.26

FBS (mg/dl)

93.54

15.73

91.27

14.86

93.46

25.70

0.61

0.76

TC (mg/dl)

193.31

37.92

195.69

40.15

186.37

30.98

0.14

0.24

TG (mg/dl)

147.92

94.24

168.66

113.24

136.20

62.55

0.03

0.92

HDL (mg/dl)

43.87

10.15

43.25

9.70

43.39

8.67

0.88

0.93

LDL (mg/dl)

126.65

33.51

124.66

34.75

119.63

26.78

0.24

0.15

Insulin (mIU/l)

16.37

10.23

17.21

17.93

14.54

11.06

0.44

0.50

HOMA-IR

3.88

2.63

3.92

4.06

3.41

2.85

0.53

0.57

QUICKI

0.33

0.03

0.33

0.04

0.33

0.03

0.39

0.41

  1. All data are mean (± SD) except for education, marital status and gender, that are presented as the number and percent
  2. BMI Body mass index, WC Waist Circumference, FM Fat Mass, FFM Fat Free Mass, WHR Waist-to-hip ratio, BMR Basal Metabolic Rate, PA Physical Activity, SES Socio-economic status, SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure, TC Total Cholesterol, TG Triglyceride, HDL-C High Density Lipoprotein Cholesterol, LDL-C Low Density Lipoprotein Cholesterol, HOMA-IR Homeostatic Model Assessment for Insulin Resistance, QUICKI Quantitative Insulin sensitivity Check Index
  3. P* values derived from One-Way ANOVA with Tukey’s post-hoc comparisons
  4. ** P values derived from chi-squared test
  5. P*** values derived from One-Way ANOVA with Tukey’s post-hoc comparisons after adjustment for confounders (age, gender, BMI, PA and energy intake)