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Table 1 Baseline characteristics of study population according to weight categories

From: An update on overweight and obesity in rural Northeast China: from lifestyle risk factors to cardiometabolic comorbidities

Variables

BMI (kg/m2)

WC (cm)

Normal weight

Overweight

Obesity

P-value

Non-obesity

Abdominal obesity

P-value

Age (year)

54.3 ± 10.9

53.5 ± 10.2

52.3 ± 9.9

<0.001

53.6 ± 10.6

54.9 ± 10.1

<0.001

Male gender

3010 (47.3)

1997 (46.3)

354 (39.4)

<0.001

5151 (52.4)

210 (12.0)

<0.001

Ethnicity

       

Han

6069 (95.3)

4072 (94.5)

833 (92.7)

 

9330 (94.9)

1644 (94.0)

 

Othersa

300 (4.7)

239 (5.5)

66 (7.3)

0.002

500 (5.1)

105 (6.0)

0.112

Education

       

Primary school or below

3183 (50.0)

2162 (50.2)

422 (46.9)

 

4719 (48.0)

1048 (59.9)

 

Middle school

2612 (41.0)

1730 (40.1)

377 (41.9)

 

4147 (42.2)

572 (32.7)

 

High school or above

574 (9.0)

419 (9.7)

100 (11.1)

0.151

964 (9.8)

129 (7.4)

<0.001

Physical activity

       

Low

1814 (28.5)

1353 (31.4)

276 (30.7)

 

2789 (28.4)

654 (37.4)

 

Moderate

4213 (66.1)

2700 (62.6)

570 (63.4)

 

6507 (66.2)

976 (55.8)

 

High

342 (5.4)

258 (6.0)

53 (5.9)

0.006

534 (5.4)

119 (6.8)

<0.001

Family income (CNY/year)

       

≤5000

871 (13.7)

484 (11.2)

87 (9.7)

 

1213 (12.3)

229 (13.1)

 

5000-20000

3430 (53.9)

2371 (55.0)

509 (56.6)

 

5319 (54.1)

991 (56.7)

 

>20000

2068 (32.5)

1456 (33.8)

303 (33.7)

<0.001

3298 (33.6)

529 (30.2)

0.025

Current smoking status

2525 (39.6)

1342 (31.1)

222 (24.7)

<0.001

3765 (38.3)

324 (18.5)

<0.001

Current drinking status

1490 (23.4)

958 (22.2)

170 (18.9)

0.008

2480 (25.2)

138 (7.9)

<0.001

Diet score

2.3 ± 1.1

2.4 ± 1.1

2.3 ± 1.1

<0.001

2.4 ± 1.1

2.2 ± 1.2

<0.001

Sleep duration (h/d)

7.2 ± 1.7

7.3 ± 1.7

7.4 ± 1.6

<0.001

7.3 ± 1.7

7.2 ± 1.7

0.437

SBP (mmHg)

137.7 ± 22.6

145.9 ± 23.4

150.8 ± 23.5

<0.001

140.4 ± 22.9

149.3 ± 25.1

<0.001

DBP (mmHg)

79.8 ± 11.3

84.4 ± 11.6

87.2 ± 12.0

<0.001

81.5 ± 11.6

85.0 ± 12.0

<0.001

BMI (kg/m 2 )

22.2 ± 1.9

27.1 ± 1.4

32.4 ± 2.9

<0.001

24.0 ± 3.1

29.2 ± 3.4

<0.001

WC (cm)

76.7 ± 7.1

87.6 ± 6.6

98.3 ± 8.3

<0.001

80.1 ± 8.4

95.3 ± 7.0

<0.001

TC (mmol/L)

5.1 ± 1.1

5.3 ± 1.1

5.4 ± 1.2

<0.001

5.2 ± 1.1

5.5 ± 1.2

<0.001

TG (mmol/L)

1.4 ± 1.3

1.9 ± 1.6

2.2 ± 2.0

<0.001

1.5 ± 1.4

2.1 ± 1.6

<0.001

LDL-C (mmol/L)

2.8 ± 0.8

3.1 ± 0.8

3.2 ± 0.9

<0.001

2.9 ± 0.8

3.2 ± 0.9

<0.001

HDL-C (mmol/L)

1.5 ± 0.4

1.3 ± 0.3

1.3 ± 0.3

<0.001

1.4 ± 0.4

1.3 ± 0.3

<0.001

FPG (mmol/L)

5.7 ± 1.5

6.1 ± 1.8

6.3 ± 1.8

<0.001

5.8 ± 1.6

6.3 ± 2.0

<0.001

  1. Data are expressed as the mean ± SD or as n (%).
  2. Abbreviations: BMI body mass index, WC waist circumference, CNY China Yuan (1CNY = 0.161 USD), SBP systolic blood pressure, DBP diastolic blood pressure, TC total cholesterol, TG triglyceride, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, FPG fasting plasma glucose.
  3. aIncluding some ethnic minorities in China, such as Mongol and Manchu.
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BMC Public Health

ISSN: 1471-2458

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