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Table 2 Characteristics of participants in the cohort study by level of SUA levels (N = 9368)

From: Individual and combined association analysis of famine exposure and serum uric acid with hypertension in the mid-aged and older adult: a population-based cross-sectional study

Variables

SUA levels in male

N = 4366

χ2/t

P

SUA levels in female

N = 5002

χ2/t

P

Normal

High

Normal

High

N

4076

290

  

4768

234

  

Age (years)

60.11 ± 9.17

61.90 ± 9.81

− 3.202

0.001

58.61 ± 9.27

62.65 ± 9.75

− 6.488

< 0.001

BMI (kg/m2)

22.64 ± 3.59

23.77 ± 3.74

− 4.937

0.000

23.66 ± 3.9

24.81 ± 4.45

− 5.112

< 0.001

Education

        

 Illiterate

531 (13.03)

36 (12.41)

2.741

0.433

2028 (42.53)

99 (42.31)

3.326

0.344

 Less than elementary school

3019 (74.07)

207 (71.38)

  

2406 (50.46)

120 (51.28)

  

 High school

338 (8.29)

29 (10)

  

250 (5.24)

8 (3.42)

  

 Above vocational school

188 (4.61)

18 (6.21)

  

84 (1.76)

7 (2.99)

  

Marital status

        

 Single

381 (9.35)

23 (7.93)

0.647

0.421

684 (14.35)

59 (25.21)

20.831

< 0.001

 Married

3695 (90.65)

267 (92.07)

  

4084 (85.65)

175 (74.79)

  

Living place

        

 Rural

2706 (66.39)

175 (60.34)

4.406

0.036

3054 (64.05)

128 (54.7)

8.427

0.004

 Urban

1370 (33.61)

115 (39.66)

  

1714 (35.95)

106 (45.3)

  

Smoking status

        

 No

997 (24.46)

80 (27.59)

8.849

0.012

4387 (92.01)

211 (90.17)

6.186

0.045

 Former smoke

683 (16.76)

64 (22.07)

  

92 (1.93)

10 (4.27)

  

 Current smoke

2396 (58.78)

146 (50.34)

  

289 (6.06)

13 (5.56)

  

Alcohol habit

        

 No

1792 (43.96)

118 (40.69)

12.946

0.002

4178 (87.63)

207 (88.46)

0.677

0.713

 Less than once a month

466 (11.43)

17 (5.86)

  

241 (5.05)

13 (5.56)

  

 More than once a month

1818 (44.6)

155 (53.45)

  

349 (7.32)

14 (5.98)

  

Eating habit

        

 ≤ 2 meals per day

544 (13.35)

36 (12.41)

0.205

0.903

632 (13.26)

29 (12.39)

3.013

0.222

 3 meals per day

3476 (85.28)

250 (86.21)

  

4076 (85.49)

199 (85.04)

  

 ≥ 4 meals per day

56 (1.37)

4 (1.38)

  

60 (1.26)

6 (2.56)

  

Social events

        

 No

2010 (49.31)

136 (46.9)

0.633

0.426

2380 (49.92)

116 (49.57)

0.011

0.918

 Yes

2066 (50.69)

154 (53.1)

  

2388 (50.08)

118 (50.43)

  

Experience of a traumatic event

        

 No

3550 (87.1)

250 (86.21)

0.189

0.663

4437 (93.06)

217 (92.74)

0.036

0.850

 Yes

526 (12.9)

40 (13.79)

  

331 (6.94)

17 (7.26)

  

Physical exercises habit

        

 No physical exercise

2517 (61.75)

197 (67.93)

6.367

0.041

2912 (61.07)

145 (61.97)

0.118

0.943

 Less than regular physical exercises

780 (19.14)

39 (13.45)

  

918 (19.25)

43 (18.38)

  

 Regular physical exercises

779 (19.11)

54 (18.62)

  

938 (19.67)

46 (19.66)

  

Famine exposure

        

 No-exposed

474 (11.63)

28 (9.66)

12.438

0.006

792 (16.61)

18 (7.69)

36.492

< 0.001

 Fetal exposed

426 (10.45)

33 (11.38)

  

615 (12.9)

20 (8.55)

  

 Childhood-exposed

1666 (40.87)

94 (32.41)

  

1904 (39.93)

84 (35.90)

  

 Adolescence/adult-exposed

1510 (37.05)

135 (46.55)

  

1457 (30.56)

112 (47.86)

  

Hypertension

        

 No

2851 (69.95)

158 (54.48)

30.222

0.000

3268 (68.54)

115 (49.15)

38.329

< 0.001

 Yes

1225 (30.05)

132 (45.52)

  

1500 (31.46)

119 (50.85)

  
  1. BMI, body mass index; SUA, serum uric acid