Table 1 Characteristics of the study population by gender

Age (years)

41.4 ± 14.2

41.4 ± 13.6

41.4 ± 14.0

0.76

Current smoking,%

47.4

2.7

26.1

<0.001

BMI (kg/m²)

24.5 ± 3.9

24.5 ± 3.9

24.5 ± 3.9

0.94

Waist circumference (cm)

85.5 ± 11.4

81.6 ± 10.8

83.7 ± 11.3

<0.001

Blood pressure

SBP (mmHg)

124.7 ± 17.9

118 ± 19.2

121.5 ± 18.8

<0.0001

DBP (mmHg)

80.5 ± 11.5

77.1 ± 11.2

78.9 ± 11.5

<0.0001

Serum FBG (mmol)

5.5 ± 1.2

5.5 ± 1.1

5.5 ± 1.1

0.50

Dyslipidemia,%

28.0

18.8

23.6

<0.0001

TC (mmol)

4.4 ± 0.9

4.4 ± 1.0

4.4 ± 0.9

0.74

High TC,%

3.8

4.1

3.9

0.60

HDLC (mmol)

1.4 ± 0.4

1.5 ± 0.3

1.4 ± 0.3

0.10

Low HDL,%

14.6

8.3

11.3

<0.0001

LDLC (mmol)

2.2 ± 0.6

2.2 ± 0.6

2.2 ± 0.6

0.30

High LDL,%

0.6

1.0

0.8

0.33

TG (mmol)

1.6 ± 1.9

1.2 ± 1.1

1.4 ± 1.6

<0.001

High TG,%

15.8

10.7

13.4

0.0008

Hypertension,%

25.0

22.2

23.7

0.15

Diabetes,%

5.8

6.7

6.2

0.40

Obese,%

17.6

18.0

17.8

0.81

Urinary excretion

Volume (ml/d)

1582 ± 660

1501 ± 587

1544 ± 627

0.004

Creatinine (mmol/d)

9.8 ± 3.3

7.5 ± 2.2

8.7 ± 3.1

<0.001