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Table 3 Characteristics of the four groups classified by BMI and WHtR in women (N = 34,676)

From: Associations between normal weight central obesity and cardiovascular disease risk factors in Japanese middle-aged adults: a cross-sectional study

 

NW

(n = 16,513)

NWCO

(n = 10,483)

OB

(n = 117)

OBCO

(n = 7563)

p value

Age (y)

48.0

(44.0, 54.0)

54.0

(47.0, 59.0)

46.0

(43.0, 50.0)

51.0

(45.0, 57.0)

< 0.001

Height (cm)

158.5

(154.7, 162.3)

155.7

(152.2, 159.5)

164.2

(158.3, 170.2)

156.7

(152.7, 160.9)

< 0.001

Weight (kg)

51.4

(48.1, 55.2)

55.2

(51.7, 59.0)

69.0

(65.0, 73.9)

67.9

(63.0, 74.7)

< 0.001

BMI (kg/m2)

20.4

(19.5, 21.5)

22.8

(21.7, 23.8)

25.4

(25.1, 25.9)

27.2

(25.9, 29.5)

< 0.001

WC (cm)

74.0

(70.5, 76.5)

82.2

(79.9, 85.0)

80.0

(78.0, 83.5)

91.2

(87.0, 97.0)

< 0.001

WHtR

0.467

(0.447, 0.483)

0.524

(0.511, 0.543)

0.491

(0.484, 0.497)

0.581

(0.553, 0.617)

< 0.001

Hypertension

3678

(22.3)

3254

(31.0)

36

(30.8)

3314

(43.8)

< 0.001

Dyslipidemia

5235

(31.7)

5071

(48.4)

55

(47.0)

4359

(57.6)

< 0.001

Diabetes

229

(1.4)

380

(3.6)

5

(4.3)

829

(11.0)

< 0.001

Smoking status

         

 Current smoker

3149

(19.1)

1603

(15.3)

31

(26.5)

1381

(18.3)

< 0.001

 Ex-smoker

1128

(6.8)

722

(6.9)

15

(12.8)

563

(7.4)

 

 Non-smoker

12,236

(74.1)

8158

(77.8)

71

(60.7)

5619

(74.3)

 

Alcohol intake

         

 Daily

2921

(17.7)

1569

(15.0)

28

(23.9)

890

(11.8)

< 0.001

 Sometimes

5093

(30.8)

3077

(29.4)

34

(29.1)

2178

(28.8)

 

 None

8499

(51.5)

5837

(55.7)

55

(47.0)

4495

(59.4)

 

Physical activity

         

 Yes

5226

(31.7)

3197

(30.5)

30

(25.6)

2114

(28.0)

< 0.001

 No

11,287

(68.4)

7286

(69.5)

87

(74.4)

5449

(72.1)

 
  1. Data are expressed as medians (25th percentile, 75th percentile) or n (%)
  2. *Kruskal-Wallis test or chi-squared test
  3. NW, normal weight no central obesity; NWCO, normal weight central obesity; OB, obesity no central obesity; OBCO, obesity central obesity; BMI, body mass index; WC, waist circumference; WHtR, waist-to-height ratio