Table 1 Baseline characteristics of the gallstones group versus the non-gallstones.

From: Body Mass Index mediates the relationship between estimated glucose disposal rate and gallstones

Characteristic

Nonstone formers

(n = 5,061)

Stone formers

(n = 595)

P-value

Age (years)

47.08 ± 16.85

56.69 ± 15.14

<0.001

Gender

  

<0.001

Men

52.55

26.17

 

Women

47.45

73.83

 

Race

   

Mexican American

8.06

7.11

0.003

White

66.39

72.38

 

Black

10.46

6.10

 

Other race

15.09

14.40

 

Education level

  

0.005

Less than high school

8.93

9.76

 

High school

25.98

31.71

 

More than high school

65.09

58.54

 

Smoked

  

<0.001

Yes

44.43

54.51

 

No

55.57

45.49

 

Alcohol

  

0.247

Yes

13.98

15.70

 

No

86.02

84.30

 

Moderate activities

  

0.125

Yes

51.34

48.06

 

No

48.66

51.94

 

Asthma

  

0.094

Yes

15.15

17.74

 

No

84.85

82.26

 

CHD

  

0.005

Yes

3.97

6.38

 

No

96.03

93.62

 

Cancers

  

<0.001

Yes

10.45

18.06

 

No

89.55

81.94

 

PIR

3.24 ± 1.63

3.02 ± 1.55

0.002

ALT(U/L)

22.90 ± 17.38

22.39 ± 16.75

0.488

AST(U/L)

21.94 ± 12.83

21.55 ± 12.93

0.479

TC (mmol/L)

4.85 ± 1.05

4.89 ± 1.08

0.381

HDL (mmol/L)

1.39 ± 0.41

1.38 ± 0.41

0.540

BMI (kg/m2)

29.49 ± 6.86

33.13 ± 8.42

<0.001

eGDR (mg/kg/min)

7.79 ± 2.70

6.13 ± 2.83

<0.001

  1. *CHD: coronary heart disease; PIR: the ratio of income to poverty; ALT: alanine aminotransferase; AST: aspartate aminotransferase; TC: total cholesterol; HDL: direct HDL-Cholesterol; BMI: body mass index; eGDR: estimated glucose disposal rate.