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Table 2 the relationship of neck circumference with prehypertension and hypertension in Shaanxi adults aged 20–80 years in China, 2014 (n = 4279)

From: Neck circumference as an indicator of elevated blood pressure independent from body composition: implications from the China nation health survey (CNHS)

Pre-HTN Model 1 Model 2
OR 95%CI p OR 95%CI p
Overall 1.202 1.151 1.255 < 0.001 1.053 0.982 1.130 0.1475
Male 1.072 0.992 1.158 0.0792 1.052 0.972 1.140 0.2095
Female 1.150 1.052 1.256 0.0020 1.169 1.067 1.280 < 0.001
The effect of NC under different BMI categories
 Normal/under weight
  Overall 1.144 1.060 1.234 < 0.001 1.146 1.060 1.238 < 0.001
  Male 1.099 0.993 1.216 0.0692 1.075 0.968 1.194 0.1740
  Female 1.196 1.067 1.341 0.0021 1.210 1.077 1.361 0.0014
 Overweight
  Overall 1.027 0.927 1.139 0.6099 1.034 0.930 1.149 0.5367
  Male 0.985 0.863 1.124 0.8192 0.978 0.854 1.120 0.7484
  Female 1.089 0.923 1.285 0.3136 1.115 0.942 1.319 0.2045
 Obesity
  Overall 1.201 0.968 1.491 0.0960 1.224 0.960 1.561 0.1022
  Male 1.332 0.967 1.836 0.0797 1.318 0.927 1.874 0.1246
  Female 1.102 0.808 1.502 0.5399 1.196 0.830 1.724 0.3361
The effect of NC under abdominal obesity (AO) status
 AO
  Overall 1.099 0.985 1.227 0.0923 1.121 1.002 1.253 0.0462
  Male 1.040 0.855 1.265 0.6944 1.070 0.862 1.329 0.5378
  Female 1.127 0.986 1.287 0.0787 1.223 1.098 1.363 < 0.001
 No-AO
  Overall 1.165 1.099 1.233 < 0.001 1.166 1.100 1.237 < 0.001
  Male 1.138 1.063 1.219 < 0.001 1.127 1.051 1.210 < 0.001
  Female 1.221 1.099 1.357 < 0.001 1.136 0.993 1.299 0.0634
 HTN
  Overall 1.367 1.317 1.419 < 0.001 1.219 1.150 1.292 < 0.001
  Male 1.279 1.192 1.371 < 0.001 1.258 1.171 1.353 < 0.001
  Female 1.224 1.142 1.312 < 0.001 1.215 1.132 1.304 < 0.001
The effect of NC under different BMI categories
 Normal/under weight
  Overall 1.258 1.180 1.342 < 0.001 1.246 1.167 1.331 < 0.001
  Male 1.302 1.186 1.429 < 0.001 1.281 1.164 1.410 < 0.001
  Female 1.191 1.088 1.305 < 0.001 1.181 1.078 1.295 < 0.001
 Overweight
  Overall 1.264 1.162 1.376 < 0.001 1.262 1.157 1.377 < 0.001
  Male 1.233 1.098 1.384 < 0.001 1.233 1.094 1.389 < 0.001
  Female 1.287 1.137 1.457 < 0.001 1.276 1.125 1.448 < 0.001
 Obesity
  Overall 1.291 1.067 1.563 < 0.001 1.274 1.023 1.586 0.0304
  Male 1.424 1.053 1.925 0.0216 1.481 1.056 2.075 0.0227
  Female 1.203 0.936 1.546 0.1485 1.230 0.906 1.670 0.1852
The effect of NC under abdominal obesity (AO) status
 AO
  Overall 1.254 1.148 1.370 < 0.001 1.248 1.141 1.365 < 0.001
  Male 1.237 1.012 1.513 0.0378 1.270 1.016 1.587 0.0357
  Female 1.262 1.144 1.394 < 0.001 1.255 1.135 1.387 < 0.001
 No-AO
  Overall 1.356 1.289 1.425 < 0.001 1.344 1.277 1.414 < 0.001
  Male 1.372 1.289 1.460 < 0.001 1.354 1.271 1.444 < 0.001
  Female 1.286 1.179 1.401 < 0.001 1.276 1.170 1.391 < 0.001
  1. Model 1 adjusted for age, sex and BMI (categorized). Model 2: adjusted for age, sex (only in overall calculation), BMI, residential areas, education attainment, cigarette smoking (not in female), alcohol consumption (not in female), physical activity and serum lipids (TC and LDL-C). BMI Body mass index, NC Neck circumference, HTN Hypertension, pre-HTN Prehypertension, AO Abdominal obesity