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Table 2 The distribution of body mass index and waist circumference among Chinese adults from the CHNS: 1989–2011

From: The prevalence and increasing trends of overweight, general obesity, and abdominal obesity among Chinese adults: a repeated cross-sectional study

Indicators

1989

1991

1993

1997

2000

2003

2006

2009

2011

Z

P

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

n

M (Q)

BMI (kg/m2)

 Total

5080

21.20(3.06)

8382

21.20(3.58)

8017

21.40(3.62)

8473

21.80(4.04)

9374

22.40(4.36)

9100

22.60(4.53)

9039

22.80(4.47)

9426

23.04(4.63)

12,543

23.50(4.74)

61.74

<.0001

 Men

  Overall

2401

21.01(2.83)

4052

21.05(3.26)

3867

21.30(3.26)

4171

21.73(3.77)

4520

22.31(4.26)

4348

22.67(4.36)

4255

22.84(4.43)

4485

23.09(4.53)

5890

23.66(4.59)

47.09

<.0001

 Age (years)

  18–39

1969

20.91(2.73)

2150

20.87(2.90)

1918

21.05(2.93)

1888

21.47(3.34)

1878

21.97(3.90)

1413

22.27(4.13)

1219

22.50(4.19)

1189

22.57(4.86)

1354

23.39(5.15)

33.19

<.0001

  40–59

431

21.55(3.28)

1304

21.46(3.54)

1335

21.72(3.50)

1559

22.10(3.93)

1809

22.71(4.21)

1955

23.05(4.21)

1987

23.18(4.18)

2068

23.53(4.35)

2782

24.00(4.33)

26.43

<.0001

  60–100

1

22.96(0.00)

598

21.09(4.09)

614

21.21(4.08)

724

21.77(4.74)

833

22.23(4.86)

980

22.44(4.91)

1049

22.49(4.89)

1228

22.80(4.64)

1754

23.24(4.72)

11.12

<.0001

 Women

  Overall

2679

21.48(3.30)

4330

21.44(3.93)

4150

21.58(4.07)

4302

22.02(4.23)

4854

22.61(4.45)

4752

22.74(4.72)

4784

22.82(4.52)

4941

22.99(4.72)

6653

23.38(4.86)

40.47

<.0001

Age (years)

  18–39

2237

21.37(3.17)

2245

21.14(3.26)

2027

21.19(3.44)

1801

21.47(3.47)

1895

21.76(3.78)

1477

21.69(3.82)

1336

21.64(3.88)

1236

21.55(4.29)

1603

21.72(4.07)

15.49

<.0001

  40–59

435

22.07(3.88)

1414

22.04(4.52)

1451

22.31(4.42)

1686

22.73(4.41)

1998

23.48(4.30)

2170

23.42(4.45)

2234

23.41(4.40)

2323

23.61(4.38)

3114

24.03(4.56)

21.03

<.0001

  60–100

7

20.08(3.63)

671

21.27(5.05)

672

21.62(5.09)

815

22.03(5.33)

961

22.48(5.22)

1105

22.83(5.22)

1214

23.10(5.08)

1382

23.20(5.15)

1936

23.57(4.98)

11.12

<.0001

WC (cm)

 Total

–

–

–

–

8017

75.00(11.00)

8473

76.00(12.00)

9374

78.00(14.00)

9100

80.00(14.00)

9039

80.30(14.00)

9426

82.00(15.00)

12,543

83.50(14.80)

70.59

<.0001

 Men

 Overall

–

–

–

–

3867

75.00(12.00)

4171

78.00(13.00)

4520

80.00(13.00)

4348

82.00(14.00)

4255

82.40(14.00)

4485

84.00(14.00)

5890

86.00(13.80)

55.64

<.0001

 Age (years)

  18–39

–

–

–

–

1918

74.00(9.50)

1888

76.00(11.00)

1888

78.00(12.00)

1413

80.00(13.00)

1219

80.50(13.00)

1189

81.50(15.10)

1354

84.00(15.60)

34.70

<.0001

  40–59

–

–

–

–

1335

77.00(11.00)

1559

79.00(13.00)

1559

81.00(13.00)

1955

83.00(13.00)

1987

83.60(13.00)

2068

85.00(13.20)

2782

87.00(13.00)

33.55

<.0001

  60–100

–

–

–

–

614

78.00(13.00)

724

80.00(16.00)

724

82.00(15.00)

980

82.50(14.90)

1049

83.00(15.00)

1228

84.50(14.60)

1754

86.00(13.90)

15.56

<.0001

 Women

  Overall

–

–

–

–

4150

74.00(12.00)

4302

75.00(12.00)

4854

77.00(14.00)

4752

78.50(14.00)

4784

79.00(13.00)

4941

80.00(14.00)

6653

81.00(14.60)

45.51

<.0001

 Age (years)

  18–39

–

–

–

–

2027

72.00(9.00)

1801

72.00(10.00)

1895

74.00(11.00)

1477

74.00(11.00)

1477

74.00(10.50)

1477

75.00(13.00)

1603

76.00(12.80)

20.57

<.0001

  40–59

–

–

–

–

1451

76.00(13.00)

1686

77.00(12.00)

1998

80.00(13.00)

2170

80.00(13.00)

2170

80.00(13.00)

2170

81.00(12.80)

3114

82.00(13.30)

23.96

<.0001

  60–100

–

–

–

–

672

78.00(15.00)

815

79.00(16.00)

961

81.00(15.00)

1105

82.00(16.00)

1105

82.00(15.00)

1105

84.00(14.20)

1936

84.50(14.30)

14.42

<.0001

  1. CHNS China Health and Nutrition Survey; BMI body mass index; WC waist circumference