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Table 5 The prevalence of grade 1, grade 2, and grade 2 and grade 3 combined among the 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

2004

2006

2009

2011

Z

P

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

n

%(CI)

Grade 1

 Total

97

1.91 (1.30–2.90)

308

3.67 (3.27–4.08)

308

3.84 (3.42–4.26)

516

6.09 (5.58–6.60)

739

7.88 (7.34–8.43)

825

9.07 (8.48–9.66)

858

9.49 (8.89–10.10)

1009

10.70 (10.08–11.33)

1599

12.75 (12.16–13.33)

29.02

<.0001

 Adjusteda

97

2.08 (1.69–2.47)

308

3.93 (3.51–4.34)

308

3.94 (3.51–4.36)

516

5.99 (5.48–6.49)

739

7.66 (7.13–8.20)

825

8.40 (7.83–8.97)

858

8.81 (8.23–9.40)

1009

10.09 (9.48–10.70)

1599

12.01 (11.44–12.58)

  

 Men

  Overall

29

1.21 (0.77–1.64)

123

3.04 (2.51–3.56)

114

2.95 (2.41–3.48)

226

5.42 (4.73–6.11)

310

6.86 (6.12–7.60)

368

8.46 (7.64–9.29)

377

8.86 (8.01–9.71)

456

10.17 (9.28–11.05)

751

12.75 (11.90–13.60)

22.09

<.0001

  Adjusteda

29

1.38 (0.91–1.84)

123

3.24 (2.70–3.79)

114

3.01 (2.47–3.55)

226

5.37 (4.69–6.06)

310

6.81 (6.08–7.55)

368

8.10 (7.29–8.91)

377

8.90 (8.04–9.75)

456

10.58 (9.68–11.48)

751

13.25 (12.38–14.11)

  

 Age (years)

  18–39

18

0.91 (0.49–1.33)

33

1.53 (1.02–2.05)

35

1.82 (1.23–2.42)

76

4.03 (3.14–4.91)

119

6.34 (5.23–7.44)

93

6.58 (5.29–7.87)

108

8.86 (7.26–10.45)

132

11.10 (9.32–12.89)

189

13.96 (12.11–15.80)

19.17

<.0001

  40–59

11

2.55 (1.06–4.04)

55

4.22 (3.13–5.31)

46

3.45 (2.47–4.42)

90

5.77 (4.62–6.93)

127

7.02 (5.84–8.20)

191

9.77 (8.45–11.09)

188

9.46 (8.17–10.75)

237

11.46 (10.09–12.83)

377

13.55 (12.28–14.82)

11.87

<.0001

  60–100

0

0.00

35

5.85 (3.97–7.73)

33

5.37 (3.59–7.16)

60

8.29 (6.28–10.30)

64

7.68 (5.87–9.49)

84

8.57 (6.82–10.32)

81

7.72 (6.11–9.34)

87

7.08 (5.65–8.52)

185

10.55 (9.11–11.98)

3.340

0.0008

 Women

  Overall

68

2.54 (1.94–3.13)

185

4.27 (3.67–4.87)

194

4.67 (4.03–5.32)

290

6.74 (5.99–7.49)

429

8.84 (8.04–9.64)

457

9.62 (8.78–10.46)

481

10.05 (9.20–10.91)

553

11.19 (10.31–12.07)

848

12.75 (11.94–13.55)

19.00

<.0001

  Adjusteda

68

2.74 (2.12–3.36)

185

4.56 (3.94–5.18)

194

4.79 (4.14–5.44)

290

6.55 (5.81–7.28)

429

8.41 (7.63–9.19)

457

8.67 (7.87–9.47)

481

8.73 (7.93–9.53)

553

9.60 (8.78–10.42)

848

11.03 (10.27–11.78)

  

 Age (years)

  18–39

47

2.10 (1.51–2.70)

44

1.96 (1.39–2.53)

55

2.71 (2.01–3.42)

71

3.94 (3.04–4.84)

95

5.01 (4.03–6.00)

78

5.28 (4.14–6.42)

64

4.79 (3.65–5.94)

69

5.58 (4.30–6.86)

108

6.74 (5.51–7.96)

9.24

<.0001

  40–59

21

4.83 (2.81–6.84)

98

6.93 (5.61–8.25)

93

6.41 (5.15–7.67)

144

8.54 (7.21–9.88)

223

11.16 (9.78–12.54)

242

11.15 (9.83–12.48)

265

11.86 (10.52–13.20)

295

12.70 (11.35–14.05)

458

14.71 (13.46–15.95)

9.60

<.0001

  60–100

0

0.00

43

6.41 (4.56–8.26)

46

6.85 (4.94–8.75)

75

9.2 (7.22–11.19)

111

11.55 (9.53–13.57)

137

12.40 (10.46–14.34)

152

12.52 (10.66–14.38)

189

13.68 (11.86–15.49)

282

14.57 (12.99–16.14)

6.52

<.0001

Grade 2

 Total

3

0.06 (0.00–0.13)

21

0.25 (0. 14–0.36)

23

0.29 (0. 17–0.40)

34

0.40 (0. 27–0.54)

60

0.64 (0. 48–0.80)

69

0.76 (0. 58–0.94)

75

0.83 (0. 64–1.02)

88

0.93 (0. 74–1.13)

163

1.30 (1.10–1.50)

10.07

<.0001

 Adjusteda

3

0.06 (0.01–0.13)

21

0.28 (0.17–0.40)

23

0.30 (0.18–0.42)

34

0.39 (0.26–0.52)

60

0.61 (0.45–0.77)

69

0.72 (0.54–0.89)

75

0.81 (0.62–0.99)

88

0.88 (0.69–1.07)

163

1.24 (1.05–1.43)

  

 Men

  Overall

1

0.04 (0.00–0.12)

1

0.02 (0.00–0.07)

4

0.10 (0.00–0.20)

12

0.29 (0.13–0.45)

23

0.51 (0.30–0.72)

21

0.48 (0.28–0.69)

22

0.52 (0.30–0.73)

38

0.85 (0.58–1.12)

58

0.98 (0.73–1.24)

7.40

<.0001

  Adjusteda

1

0.09 (0.00–0.20)

1

0.03 (0.00–0.08)

4

0.11 (0.00–0.21)

12

0.28 (0.12–0.44)

23

0.49 (0.28–0.69)

21

0.50 (0.29–0.71)

22

0.57 (0.35–0.80)

38

0.84 (0.58–1.11)

58

1.03 (0.77–1.29)

  

 Age (years)

  18–39

0

0.00

0

0.00

1

0.05 (0.00–0.15)

1

0.05 (0.00–0.16)

5

0.27 (0.03–0.50)

8

0.57 (0.17–0.96)

9

0.74 (0.26–1.22)

10

0.84 (0.32–1.36)

15

1.11 (0.55–1.67)

6.10

<.0001

  40–59

1

0.23 (0.00–0.69)

0

0.00

3

0.22 (0.00–0.48)

4

0.26 (0.01–0.51)

11

0.61 (0.25–0.97)

8

0.41 (0.13–0.69)

9

0.45 (0.16–0.75)

17

0.82 (0.43–1.21)

29

1.04 (0.67–1.42)

4.51

<.0001

  60–100

0

0.00

1

0.17 (0.00–0.49)

0

0.00

7

0.97 (0.25–1.68)

7

0.84 (0.22–1.46)

5

0.51 (0.06–0.96)

4

0.38 (0.01–0.75)

11

0.90 (0.37–1.42)

14

0.80 (0.38–1.21)

1.86

0.0629

 Women

  Overall

2

0.07 (0.00–0.18)

20

0.46 (0.26–0.66)

19

0.46 (0.25–0.66)

22

0.51 (0.30–0.72)

37

0.76 (0.52–1.01)

48

1.01 (0.73–1.29)

53

1.11 (0.81–1.40)

50

1.01 (0.73–1.29)

105

1.58 (1.28–1.88)

6.94

<.0001

  Adjusteda

2

0.04 (0.00–0.12)

20

0.52 (0.30–0.73)

19

0.49 (0.27–0.70)

22

0.50 (0.29–0.71)

37

0.72 (0.48–0.96)

48

0.92 (0.65–1.19)

53

1.02 (0.73–1.30)

50

0.92 (0.65–1.19)

105

1.43 (1.14–1.71)

  

 Age (years)

  18–39

2

0.09 (0.00–0.21)

0

0.00

0

0.00

6

0.33 (0.07–0.6)

8

0.42 (0.13–0.71)

9

0.61 (0.21–1.01)

11

0.82 (0.34–1.31)

9

0.73 (0.25–1.20)

17

1.06 (0.56–1.56)

6.22

<.0001

  40–59

0

0.00

12

0.85 (0.37–1.33)

11

0.76 (0.31–1.20)

7

0.42 (0.11–0.72)

15

0.75 (0.37–1.13)

20

0.92 (0.52–1.32)

18

0.81 (0.44–1.18)

22

0.95 (0.55–1.34)

54

1.73 (1.28–2.19)

3.33

0.0009

  60–100

0

0.00

8

1.19 (0.37–2.01)

8

1.19 (0.37–2.01)

9

1.10 (0.39–1.82)

14

1.46 (0.70–2.21)

19

1.72 (0.95–2.49)

24

1.98 (1.19–2.76)

19

1.37 (0.76–1.99)

34

1.76 (1.17–2.34)

1.25

0.2130

Grade 2 and 3

 Total

3

0.06 (0.00–0.13)

23

0.27 (0.16–0.39)

25

0.31 (0.19–0.43)

37

0.44 (0.30–0.58)

64

0.68 (0.52–0.85)

76

0.84 (0.65–1.02)

82

0.91 (0.71–1.10)

93

0.99 (0.79–1.19)

256

2.04 (1.79–2.29)

12.59

<.0001

 Adjusteda

3

0.06 (0.00–0.13)

23

0.31 (0.19–0.43)

25

0.33 (0.20–0.45)

37

0.42 (0.28–0.56)

64

0.65 (0.49–0.81)

76

0.80 (0.61–0.98)

82

0.87 (0.68–1.06)

93

0.93 (0.74–1.12)

256

1.98 (1.73–2.22)

  

 Men

  Overall

1

0.04 (0.00–0.12)

2

0.05 (0.00–0.12)

5

0.13 (0.02–0.24)

12

0.29 (0.13–0.45)

24

0.53 (0.32–0.74)

21

0.48 (0.28–0.69)

24

0.56 (0.34–0.79)

39

0.87 (0.60–1.14)

102

1.73 (1.40–2.06)

9.63

<.0001

  Adjusteda

1

0.09 (0.00–0.20)

2

0.05 (0.00–0.13)

5

0.13 (0.02–0.25)

12

0.28 (0.12–0.44)

24

0.51 (0.30–0.71)

21

0.50 (0.29–0.71)

24

0.63 (0.39–0.86)

39

0.86 (0.59–1.13)

102

1.74 (1.41–2.07)

  

 Ag e (years)

  18–39

0

0.00

0

0.00

1

0.05 (0.00–0.15)

1

0.05 (0.00–0.16)

5

0.27 (0.03–0.50)

8

0.57 (0.17–0.96)

10

0.82 (0.31–1.33)

10

0.84 (0.32–1.36)

23

1.70 (1.01–2.39)

6.45

<.0001

  40–59

1

0.23 (0.00–0.69)

0

0.00

3

0.22 (0.00–0.48)

4

0.26 (0.01–0.51)

11

0.61 (0.25–0.97)

8

0.41 (0.13–0.69)

9

0.45 (0.16–0.75)

18

0.87 (0.47–1.27)

53

1.91 (1.40–2.41)

5.80

<.0001

  60–100

0

0.00

2

0.33 (0.00–0.80)

1

0.16 (0.00–0.48)

7

0.97 (0.25–1.68)

8

0.96 (0.30–1.62)

5

0.51 (0.06–0.96)

5

0.48 (0.06–0.89)

11

0.90 (0.37–1.42)

26

1.48 (0.92–2.05)

2.46

0.0139

 Women

  Overall

2

0.07 (0.00–0.18)

21

0.48 (0.28–0.69)

20

0.48 (0.27–0.69)

25

0.58 (0.35–0.81)

40

0.82 (0.57–1.08)

55

1.16 (0.85–1.46)

58

1.21 (0.90–1.52)

54

1.09 (0.80–1.38)

154

2.31 (1.95–2.68)

8.84

<.0001

  Adjusteda

2

0.04 (0.00–0.12)

21

0.54 (0.33–0.76)

20

0.51 (0.29–0.73)

25

0.56 (0.34–0.78)

40

0.78 (0.53–1.03)

55

1.07 (0.78–1.37)

58

1.10 (0.80–1.39)

54

1.00 (0.72–1.27)

154

2.19 (1.84–2.54)

  

 Age (years)

  18–39

2

0.09 (0.00–0.21)

0

0.00

0

0.00

6

0.33 (0.07–0.60)

9

0.47 (0.17–0.78)

12

0.81 (0.35–1.27)

11

0.82 (0.34–1.31)

10

0.81 (0.31–1.31)

30

1.87 (1.21–2.53)

7.35

<.0001

  40–59

0

0.00

13

0.92 (0.42–1.42)

12

0.83 (0.36–1.29)

8

0.47 (0.15–0.80)

15

0.75 (0.37–1.13)

21

0.97 (0.56–1.38)

21

0.94 (0.54–1.34)

22

0.95 (0.55–1.34)

78

2.50 (1.96–3.05)

4.51

<.0001

  60–100

0

0.00

8

1.19 (0.37–2.01)

8

1.19 (0.37–2.01)

11

1.35 (0.56–2.14)

16

1.66 (0.86–2.47)

22

1.99 (1.17–2.81)

26

2.14 (1.33–2.96)

22

1.59 (0.93–2.25)

46

2.38 (1.70–3.05)

2.18

0.0296

  1. aAdjusted by the direct method to the year 2010 Census population using the age groups 18–39 years, 40–59 years, and 60–100 years
  2. CHNS China Health and Nutrition Survey