Table 1 General Characteristics in the Participants of Two Surveys at 2001 and 2010

Mean(SD)

 Age (yrs)

68.0 ± 5.6

67.9 ± 5.8

0.745

67.9 ± 5.8*

71.7(6.0)

71.0(6.8)

0.022

71.2 ± 6.6

 WC (cm)

89.8 ± 8.7

87.1 ± 9.4

<0.001

87.7 ± 9.3

90.6(8.9)

87.3(8.9)

<0.001

88.3 ± 9.1

 BMI (kg/m²)

26.1 ± 3.2

25.5 ± 3.5

<0.001

25.6 ± 3.5

25.6(3.3)

24.7(3.4)

<0.001

25.0 ± 3.4

 SBP (mm Hg)

138.7 ± 20.8

136.7 ± 21.4

0.070

137.8 ± 21.3

142.9(20.3)

137.2(19.3)

<0.001

139.0 ± 19.8

 DBP (mmHg)

76.5 ± 10.1

77.2 ± 10.5

0.191

77.1 ± 10.4

78.8(10.4)

76.7 (9.6)

<0.001

77.3 ± 9.9

 TC (mmol/L)

5.3 ± 1.0

5.3 ± 1.8

0.842

5.3 ± 1.7

52(1.1)

5.3(1.0)

0.031

5.3 ± 1.0

 TG (mmol/L)

1.9 ± 1.3

1.5 ± 0.3

<0.001

1.6 ± 1.1

1.8(1.0)

1.6(0.9)

<0.001

1.7 ± 0.9

 HDL-C (mmol/L)

1.3 ± 0.6

1.4 ± 0.3

0.002

1.4 ± 0.4

1.3(0.3)

1.4(0.4)

<0.001

1.4 ± 0.4

 LDL-C (mmol/L)

3.3 ± 0.8

3.3 ± 1.1

0.793

3.3 ± 1.0

3.3(0.9)

3.3(0.8)

0.098

3.3 ± 0.8

 FPG (mmol/L)

8.5 ± 3.0

5.5 ± 0.6

<0.001

6.1 ± 1.9

7.6 (2.9)

5.4(0.5)

<0.001

6.1 ± 1.7

Number (%)

 Female

282(57.9)

1052(58.8)

0.731

1334(58.6)

388(59.5)

866(59.7)

0.926

1254(59.7)

 Education > 7 years

277(56.9)

1037(57.9)

0.676

1314(57.7) *

458(70.2)

1064(73.4)

0.137

1522(72.4)

 Married

414(85.0)

1498(83.7)

0.480

1912(84.0)

550(84.4)

1224(84.4)

0.973

1774(84.4)

 Current smoking

66(13.6)

284(15.9)

0209

350(15.4) *

76(11.7)

155(10.7)

0.512

231(11.0)

 Current alcohol drinking

72(14.8)

278(15.5)

0.698

350(15.4) *

154(23.6)

352(24.3)

0.745

506(24.1)

 Physical exercise

353(72.5)

1327(74.1)

0.463

1380(73.8) *

549(84.2)

1255(86.6)

0.153

1804(85.8)

 Family history of diabetes

71(14.6)

91(5.1)

<0.001

162(7.1) *

193(29.6)

179(12.3)

<0.001

372(17.7)