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Table 1 Characteristics of participants by NC in quintiles

From: Synergistic effects of neck circumference and metabolic risk factors on insulin resistance: the Cardiometabolic Risk in Chinese (CRC) study

Variables

NC (in quintiles, cm)

 
 

Q1(≤33)

Q2(34–35)

Q3(36–37)

Q4(38–39)

Q5(≥40)

P for trend

N

801

455

427

517

388

 

Age, years

43.1 ± 11.3

45.3 ± 12.1

43.3 ± 12.9

44.5 ± 11.3

43.4 ± 9.5

<0.0001

BMI, kg/m2

21.9 ± 2.4

23.1 ± 2.9

24.3 ± 2.1

25.8 ± 2.1

27.8 ± 2.6

<0.0001

BF, %

28.8 ± 4.8

26.7 ± 6.5

25.1 ± 4.6

26.1 ± 4.2

27.4 ± 3.9

<0.0001

WC, cm

75.5 ± 6.7

81.5 ± 6.3

86.4 ± 5.5

91.3 ± 5.9

97.0 ± 6.9

<0.0001

HC, cm

92.5 ± 5.1

95.0 ± 5.2

96.9 ± 4.3

99.9 ± 4.6

104.4 ± 5.2

<0.0001

WHR, %

0.82 ± 0.06

0.86 ± 0.05

0.89 ± 0.04

0.91 ± 0.05

0.93 ± 0.05

<0.0001

  1. The values are presented as mean ± standard deviation.
  2. Abbreviations: BMI Body mass index, BF Percent, body fat rate, WC Waist circumference, HC Hip circumference, WHR Waist/hip ratio.