Table 1 Characteristics of study population categorized by TyG-BMI.

From: Association between TyG-BMI and gout in US adults: evidence from NHANES 2007–2018

 

Overall

[142,217]

(217,270]

(270,460]

P value

n

13,307

4436

4435

4436

 

N

205,973,740.4

71,178,387.46

67,073,278.77

67,722,074.16

 

Age (median [IQR])

47.00 [33.00, 60.00]

41.00 [28.00, 57.00]

48.00 [36.00, 62.00]

49.00 [36.00, 60.00]

< 0.001

Sex (%)

 

< 0.001

 Male

48.2

42.4

55

47.6

 

 Female

51.8

57.6

45

52.4

 

Race (%)

 

< 0.001

 Mexican American

8.3

5.3

9.3

10.4

 

 Other Hispanic

5.4

4.8

5.8

5.7

 

 Non-Hispanic White

67.6

68.2

67.9

66.6

 

 Non-Hispanic Black

10.8

10.2

10.5

11.9

 

 Other race

7.9

11.5

6.5

5.4

 

Education (%)

 

< 0.001

 Less than 9th grade

5.1

3.8

5.6

6

 

 9–11th grade

10.5

9.6

10

11.8

 

 High school graduate or equivalent

22.5

19.9

23.6

24.2

 

 Some college or AA degree

31.1

28

30.5

34.9

 

 College graduate or above

30.8

38.7

30.2

23.1

 

Marital status (%)

 

< 0.001

 Married

55.7

51.6

58.6

57

 

 Separated

5.3

4.6

5.7

5.7

 

 Divorced

10.3

8.6

11.4

11

 

 Widowed

2.3

2.3

2.1

2.5

 

 Never married

18.1

23.4

14.9

15.7

 

 Living with partner

8.3

9.5

7.4

8

 

PIR level (%)

 

< 0.001

 <=1.3

22.2

21.3

21

24.3

 

 > 1.3, <=3.5

36.4

33.9

36.9

38.6

 

 > 3.5

41.4

44.8

42.1

37.1

 

TyG (median [IQR])

8.54 [8.12, 8.97]

8.12 [7.81, 8.46]

8.58 [8.27, 8.94]

8.95 [8.57, 9.36]

< 0.001

BMI (median [IQR])

27.90 [24.14, 32.60]

23.00 [21.19, 24.50]

28.02 [26.70, 29.60]

35.00 [32.31, 39.20]

< 0.001

FBG (median [IQR])

100.00 [93.00, 109.00]

95.00 [90.00, 101.00]

100.00 [94.00, 108.00]

106.00 [98.00, 120.00]

< 0.001

FTG (median [IQR])

100.00 [68.82, 147.00]

71.00 [53.00, 95.00]

104.55 [78.00, 147.00]

140.00 [98.00, 197.00]

< 0.001

CHD (%)

 

0.002

 Yes

3.4

2.5

3.5

4.3

 

 No

96.6

97.5

96.5

95.7

 

Alcohol exposure (%)

 

0.011

 Yes

60.4

61.3

61.9

57.8

 

 No

29.9

29.1

28

32.5

 

 Refused/unknown

9.7

9.5

10.1

9.6

 

Smoking exposure (%)

  

 Yes

44.1

41.5

45.4

45.7

0.005

 No

55.9

58.5

54.6

54.3

 

Hypertension (%)

 

< 0.001

 Yes

32.6

17.7

33.9

46.9

 

 No

67.4

82.3

66.1

53.1

 

Diabetes (%)

< 0.001

 Yes

9.4

2.9

7.5

18.3

 

 No

88.3

96

90.4

78.1

 

 Subclinical diabetes

2.3

1.2

2.1

3.6

 

Gout (%)

 

< 0.001

 Yes

3.9

1.7

3.8

6.4

 

 No

96.1

98.3

96.2

93.6

 
  1. For continuous variables, survey-weighted medians [IQR] are reported. For categorical variables, survey-weighted percentages are provided. P value was assessed using survey-weighted Kruskal–Wallis rank sum test for continuous variables, and Chi-squared test for categorical variables.
  2. PIR level ratio of family income to poverty level, FBG fasting blood glucose, FTG fasting triglycerides, TyG Triglyceride-glucose index, BMI body mass index, TyG-BMI triglyceride glucose-body mass index, CHD coronary heart disease.