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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.