| Han | Mongolian | P value |  |
---|---|---|---|---|
N = 1910 | N = 741 |  |  | |
Age, y | 49.06 ± 11.15 | 48.59 ± 10.84 | 0.324 |  |
Sex, n% | Â | Â | 0.967 | Â |
 Male | 751(39.3) | 292(39.4) |  |  |
 Female | 1159(60.7) | 499(60.6) |  |  |
Height, cm | 162.51 ± 8.08 | 162.80 ± 8.32 | 0.396 |  |
Weight, kg | 65.84 ± 12.02 | 67.97 ± 12.90 | <0.001 | *** |
BMI level | Â | Â | <0.001 | *** |
 <24 | 815(43.2%) | 243(33.2%) |  |  |
 24–27.9 | 725(38.5%) | 306(41.9%) |  |  |
  ≥ 28 | 345(18.3%) | 182(24.9%) |  |  |
Body fat percentage, n% | 29.58 ± 7.70 | 30.99 ± 7.78 | <0.001 | *** |
Serum total cholesterol, mmol/L | ||||
  < 2.26 | 1(0.1%) | 1(0.1%) | 0.487 |  |
  ≥ 2.26 | 1907(99.9%) | 739(99.9%) |  |  |
Triglycerides, mmol/L | ||||
  < 6.22 | 1450(76.0%) | 583(78.8) | 0.127 |  |
  ≥ 6.22 | 458(24.0%) | 157(21.2%) |  |  |
Low-density lipoprotein cholesterol, mmol/L | Â | Â | 0.009 | ** |
  < 4.14 | 383(20.1%) | 116(15.7%) |  |  |
  ≥ 4.14 | 1525(79.9%) | 624(84.3%) |  |  |
High-density lipoprotein cholesterol, mmol/L | Â | Â | 0.228 | Â |
  ≤ 1.04 | 18(0.9%) | 11(1.5%) |  |  |
  > 1.04 | 1890(99.1%) | 729(98.5%) |  |  |
Birthplace, n% | Â | Â | <0.001 | *** |
 Urban | 853(44.7) | 182(24.6) |  |  |
 Rural | 1057(55.3) | 559(75.4) |  |  |
Residence, n% | Â | Â | <0.001 | *** |
 Urban | 1772(92.8) | 651(87.9) |  |  |
 Rural | 138(7.2) | 90(12.1) |  |  |
Education, n% | Â | Â | <0.001 | *** |
 Elementary or lower | 304(15.9) | 93(12.6) |  |  |
 Middle and high school | 1106(57.9) | 296(39.9) |  |  |
 University or higher | 500(26.2) | 352(47.5) |  |  |
Occupation, n% | Â | Â | <0.001 | *** |
 Indoor | 1767(92.5) | 652(88.0) |  |  |
 Outdoor | 143(7.5) | 89(12.0) |  |  |
Exercise level, n% | Â | Â | 0.464 | Â |
 Light | 377(19.7) | 112(15.1) |  |  |
 Moderate | 278(14.6) | 67(9.0) |  |  |
 Heavy | 21(1.1) | 5(0.7) |  |  |
Hypertension, n% | 597(31.3) | 268(36.2) | 0.024 | * |
Systolic pressure, n% | 352(18.4) | 149(20.1) | 0.322 | Â |
Diastolic pressure, n% | 305(16.0) | 151(20.4) | 0.007 | ** |
Diabetes, n% | 98(5.1) | 37(5.0) | 0.136 | Â |
Alcohol, n% | Â | Â | <0.001 | *** |
 Never | 1154(60.4) | 369(49.8) |  |  |
 Ever | 756(39.6) | 372(50.2) |  |  |
Smoking status, n% | Â | Â | 0.8 | Â |
 Never | 1310(68.6) | 512(69.1) |  |  |
 Ever | 600(31.4) | 229(30.9) |  |  |
Survey sites | Â | Â | <0.001 | *** |
 Wuyuan | 593(31.0) | 199(26.9) |  |  |
 Hohhot | 393(20.6) | 89(12.0) |  |  |
 Tsining District | 680(35.6) | 31(4.2) |  |  |
 Xilingol League | 244(12.8) | 422(57.0) |  |  |
Time in rural, d | 4452.76 ± 5643.96 | 5954.18 ± 5974.69 | <0.001 | *** |