Table 2 Relationship between characteristics, laboratory tests and serum uric (N = 231,386)

No. of participants

6.3 ± 1.5

158,765 (68.6)

72,621 (31.4)

Sex

< 0.001^a

< 0.001^c

 Male

6.5 ± 1.5

137,167 (66.4)

69,569 (33.7)

 Female

4.8 ± 1.1

21,598 (87.6)

3052 (12.4)

Age (years)

< 0.001^b

< 0.001^c

 35–39

6.5 ± 1.6

30,951 (65.0)

16,690 (35.0)

 40–44

6.4 ± 1.6

29,152 (67.0)

14,386 (33.8)

 45–49

6.3 ± 1.5

26,096 (69.6)

11,385 (30.4)

 50–54

6.3 ± 1.5

32,749 (70.1)

13,997 (29.9)

 55–60

6.2 ± 1.5

39,817 (71.1)

16,163 (28.9)

Regions

< 0.001^b

< 0.001^c

 Central

6.3 ± 1.5

92,925 (69.7)

40,391 (30.3)

 Northeast

6.3 ± 1.6

27,772 (69.2)

12,344 (30.8)

 North

6.5 ± 1.6

23,217 (65.6)

12,161 (34.4)

 South

6.5 ± 1.5

14,851 (65.8)

7725 (34.2)

Health Scheme

< 0.001^b

< 0.001^c

 Civil servant medical benefits

6.4 ± 1.5

154,629 (68.3)

71,777 (31.7)

 Social Security

5.6 ± 1.5

2633 (81.3)

606 (19.7)

 Universal Coverage

5.2 ± 1.6

1503 (86.3)

238 (13.7)

Current smoking

< 0.001^a

< 0.001^c

 No

6.3 ± 1.5

114,325 (69.2)

50,899 (30.8)

 Yes

6.5 ± 1.5

41,240 (67.4)

19,967 (32.6)

Current alcohol drinking

< 0.001^a

< 0.001^c

 No

6.1 ± 1.6

59,279 (73.0)

21,924 (27.0)

 Yes

6.5 ± 1.5

97,047 (66.3)

49,411 (33.7)

Regular exercise

0.031^a

< 0.001^c

 No

6.3 ± 1.6

65,758 (68.2)

30,656 (31.8)

 Yes

6.3 ± 1.5

90,185 (69.0)

40,600 (31.0)

Body mass index (kg/m²)

< 0.001^b

< 0.001^c

 18.5–22.9

5.9 ± 1.5

47,228 (79.3)

12,321 (20.7)

 < 18.5

5.5 ± 1.6

2765 (83.6)

541 (16.4)

 23.0-24.9

6.3 ± 1.5

41,145 (70.6)

17,165 (29.4)

 25.0-29.9

6.6 ± 1.5

54,506 (62.6)

32,587 (37.4)

 ≥ 30

6.8 ± 1.6

13,121 (56.7)

10,007 (43.3)

Systolic blood pressure (mmHg)

< 0.001^a

< 0.001^c

 < 140

6.2 ± 1.5

121,420 (71.0)

49,719 (29.1)

 ≥ 140

6.6 ± 1.5

37,345 (62.0)

22,902 (38.0)

Diastolic blood pressure (mmHg)

< 0.001^a

< 0.001^c

 < 90

6.2 ± 1.5

128,238 (71.1)

52,146 (28.9)

 ≥ 90

6.7 ± 1.6

30,527 (59.9)

20,475 (40.2)

Aspartate aminotransferase (U/L)

< 0.001^a

< 0.001^c

 < 40 in male or < 35 in female

6.3 ± 1.5

141,220 (70.2)

59,848 (29.8)

 ≥ 40 in male or ≥ 35 in female

6.8 ± 1.7

17,545 (57.9)

12,773 (42.1)

Alanine aminotransferase (U/L)

< 0.001^a

< 0.001^c

 < 40 in male or < 35 in female

6.2 ± 1.5

124,021 (71.7)

48,849 (28.3)

 ≥ 40 in male or ≥ 35 in female

6.7 ± 1.6

34,744 (59.4)

23,772 (40.6)

Fasting plasma glucose (mg/dL)

< 0.001^a

< 0.001^c

 < 126

6.4 ± 1.5

141,510 (68.0)

66,465 (32.0)

 ≥ 126

6.1 ± 1.6

17,255 (73.7)

6156 (26.3)

Fasting triglyceride (mg/dL)

< 0.001^a

< 0.001^c

 < 150

6.0 ± 1.4

102,904 (76.3)

31,983 (23.7)

 ≥ 150

6.8 ± 1.5

55,861 (57.9)

40,638 (42.1)

Triglyceride-glucose index

< 0.001^b

< 0.001^c

 Quartile 1 (< 8.37)

5.8 ± 1.4

47,333 (81.8)

10,537 (18.2)

 Quartile 2 (8.37–8.78)

6.2 ± 1.4

41,871 (72.4)

15,952 (27.6)

 Quartile 3 (8.79–9.23)

6.5 ± 1.5

37,261 (64.4)

20,593 (35.6)

 Quartile 4 (> 9.23)

6.8 ± 1.6

32,300 (55.8)

25,539 (44.2)