Table 1 Characteristics of Chinese adults aged 18–65 years by survey year and urban and rural areas in 1993–2011

All participants

6782

7288

8227

7243

7236

6668

10,192

 Males n (%)

3235 (47.7)

3561 (48.9)

3936 (47.8)

3466 (47.9)

3418 (47.2)

3173 (47.6)

4777 (46.9)

 Age (year)

38.8 (12.87)

39.8 (12.68)

41.3 (12.37)

43.7 (12.01)

44.7 (11.80)

45.6 (12.08)

46.5 (11.99)

 BMI (kg/m2)

21.9 (2.81)

22.3 (3.04)

22.8 (3.16)

23.1 (3.28)

23.3 (3.50)

23.4 (3.40)

24 (4.18)

 WC (cm)

75.6 (8.93)

77.3 (9.22)

79.1 (9.69)

80.5 (9.74)

81 (9.78)

82.4 (10.25)

83.7 (11.09)

 SBP (mmHg)

113.9 (16.30)

116.8 (16.31)

117.7 (16.35)

119.9 (16.83)

119.5 (16.35)

121.9 (17.23)

122.5 (16.53)

 DBP (mmHg)

75 (10.78)

76.5 (10.60)

77.1 (10.73)

78.3 (11.01)

78.5 (10.65)

79.8 (10.91)

79.2 (10.54)

Urban

2047

2457

2717

2435

2367

2108

4085

 Males n (%)

972 (47.5)

1178 (47.9)

1291 (47.5)

1156 (47.5)

1121 (47.4)

995 (47.2)

1907 (46.7)

 Age (year)

40 (13.10) ^**

40.1 (12.74)

41.9 (12.46) ^*

43.6 (12.36)

44.9 (12.12)

46 (12.25)

46.5 (12.22)

 BMI (kg/m2)

22.3 (2.95) ^**

22.8 (3.21) ^**

23.1 (3.21) ^**

23.4 (3.35) ^**

23.4 (3.28) ^*

23.5 (3.45)

24.1 (4.13)

 WC (cm)

77.5 (9.80) ^**

78.4 (9.82) ^**

79.9 (10.15) ^*

81.3 (10.01) ^*

81.6 (9.73) ^**

82.6 (10.26)

83.6 (10.94)

 SBP (mmHg)

115.3 (17.26)

116.9 (16.91)

118 (16.42)

120.3 (16.95)

119.8 (15.99)

121.3 (16.68)

122.1 (15.58)

 DBP (mmHg)

76.2 (11.36) ^*

77 (10.76) ^**

77.4 (10.96)

78.6 (10.68)

78.9 (10.27) ^*

79.9 (10.50)

78.8 (9.54) ^**

Rural

4735

4831

5510

4808

4869

4560

6107

 Males n (%)

2263 (47.8)

2383 (49.3)

2645 (48.0)

2310 (48.0)

2297 (47.2)

2178 (47.8)

2870 (47.0)

 Age (year)

38.3 (12.73)

39.7 (12.65)

41 (12.32)

43.7 (11.83)

44.7 (11.65)

45.5 (11.99)

46.4 (11.83)

 BMI (kg/m2)

21.7 (2.73)

22.1 (2.92)

22.7 (3.13)

23 (3.23)

23.2 (3.59)

23.3 (3.37)

24 (4.22)

 WC (cm)

74.8 (8.39)

76.7 (8.85)

78.8 (9.43)

80.2 (9.58)

80.7 (9.79)

82.2 (10.25)

83.7 (11.19)

 SBP (mmHg)

113.2 (15.82)

116.7 (15.99)

117.5 (16.31)

119.6 (16.76)

119.4 (16.53)

122.2 (17.47)

122.7 (17.13)

 DBP (mmHg)

74.5 (10.47)

76.2 (10.52)

76.9 (10.60)

78.2 (11.17)

78.2 (10.82)

79.7 (11.10)

79.5 (11.16)