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Table 1 Demographics and characteristics of participants from NHANES 1999–2000 and 2009-2010

From: Associations between trans fatty acids and systemic immune-inflammation index: a cross-sectional study

Variable

Sum TFAS (µmol/L)

    

Overall

T1

T2

T3

P value

Age (years)

47.40 ± 0.53

45.90 ± 0.81

48.49 ± 0.65

48.29 ± 0.99

0.022

Gender (%)

    

0.764

Male

46.09

46.69

46.39

44.79

 

Female

53.91

53.31

53.61

55.21

 

Race (%)

    

<0.001

Mexican American

8.16

7.59

9.60

7.21

 

Non-Hispanic Black

9.37

11.47

8.98

6.70

 

Non-Hispanic White

72.02

66.76

72.50

79.31

 

Other Hispanic

5.21

5.29

5.95

4.17

 

Other Race

5.24

8.89

2.97

2.61

 

Education Level (%)

    

<0.001

Less Than High School

18.07

14.28

18.69

22.99

 

High School Graduate

23.55

18.46

24.91

29.48

 

More Than High School

58.38

67.26

56.40

47.53

 

Marital Status (%)

    

<0.001

Married/Living with a partner

66.41

64.51

66.27

69.42

 

Widowed/Divorced/Separated

17.80

15.23

20.89

17.81

 

Never Married

15.79

20.27

12.84

12.76

 

Smoking Status (%)

    

0.043

Never

54.42

58.40

54.84

47.91

 

Former

26.86

26.16

26.48

28.40

 

Current

18.72

15.44

18.68

23.69

 

Alcohol consumption (g/d)

7.74 ± 0.49

10.78 ± 0.75

7.40 ± 0.90

3.58 ± 0.34

<0.001

PIR

3.01 ± 0.05

3.12 ± 0.05

2.99 ± 0.07

2.89 ± 0.11

0.092

BMI (kg/m2)

28.56 ± 0.19

27.98 ± 0.31

29.24 ± 0.26

28.58 ±0.31

0.023

Uric acid (mg/dl)

0.43 ± 0.04

5.35 ± 0.06

5.52 ± 0.07

5.44 ± 0.05

0.075

eGFR (ml/min/1.73 m2)

94.27 ± 0.65

97.31 ± 0.99

92.61 ± 0.83

91.77 ± 1.04

<0.001

HDL (mg/dl)

53.70 ± 0.49

57.49 ± 0.57

53.39 ± 0.60

48.37 ± 0.59

<0.001

LDL (mg/dl)

119.24 ± 1.18

109.68 ± 1.85

121.99 ± 1.88

130.14 ± 1.43

<0.001

CVD (%)

    

0.174

Yes

8.41

7.34

8.93

9.35

 

No

91.59

92.66

91.07

90.65

 

Hypertension (%)

    

0.325

Yes

29.58

27.49

31.52

30.30

 

No

70.42

72.51

68.48

69.70

 

DM (%)

    

0.431

Yes

7.15

7.12

8.10

6.02

 

No

92.85

92.88

91.90

93.98

 

Cancer (%)

    

0.061

Yes

9.90

8.27

11.37

10.52

 

No

90.10

91.73

88.63

89.48

 

Palmitelaidic acid (µmol/L)

5.05 ± 0.11

3.11 ± 0.04

4.94 ± 0.05

8.12 ± 0.15

<0.001

Vaccenic acid (µmol/L)

25.87 ± 0.72

13.49 ± 0.14

24.03 ± 0.16

46.74 ± 1.02

<0.001

Elaidic acid (µmol/L)

20.99 ± 0.72

9.82 ± 0.15

18.73 ± 0.14

40.55 ± 1.16

<0.001

Linolelaidic acid (µmol/L)

2.07 ± 0.06

1.30 ± 0.02

1.97 ± 0.04

3.35 ± 0.10

<0.001

SII

539.57 ± 7.48

504.15 ± 10.48

533.91 ± 13.62

599.82 ± 16.27

<0.001

  1. Mean ± SD for continuous variables: the P value was calculated by the weighted linear regression model
  2. (%) for categorical variables: the P value was calculated by the weighted chi-square test
  3. Abbreviations: TFAs, trans fatty acids, BMI, Body mass index, PIR, Poverty income ratio, eGFR, Estimated glomerular filtration rate, CVD, Cardiovascular disease, DM, Diabetes mellitus, SII, Systemic immune-inflammation index, HDL, high-density lipoprotein, LDL, low-density lipoprotein
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Lipids in Health and Disease

ISSN: 1476-511X