Table 2 Comparison of characteristics among 2716 Yi people according to level of C-reactive protein among Yi farmers and Yi migrants
From: The association between high-sensitivity C-reactive protein and blood pressure in Yi people
Characteristics | Level of C-Reactive Protein, mg/L | P for Trend | ||
|---|---|---|---|---|
< 1 | 1~3 | > 3 | ||
Yi migrants | ||||
 Number | 529 | 369 | 306 |  |
 C-Reactive Protein, median(interquartile range), mg/L | 0.43(0.26–0.67) | 1.64(1.27–2.19) | 5.92(4.32–11.09) |  |
 Age, mean(SD), y | 43.22 ± 13.21 | 50.08 ± 14.10 | 52.87 ± 14.12 | < 0.0001 |
 BMI, mean(SD), kg/m2 | 23.20 ± 3.26 | 24.97 ± 3.73 | 25.27 ± 4.39 | < 0.0001 |
 Cigarette Smokers, % | 136(25.71) | 116(31.44) | 113(36.93) | 0.0006 |
 Alcohol drinkers, % | 204(38.56) | 169(45.92) | 140(46.05) | 0.021 |
 Education Level > elementary, % | 264(49.91) | 190(51.49) | 132(43.14) | 0.1 |
 Family history of hypertension, % | 54(10.21) | 36(9.76) | 30(9.80) | 0.83 |
 Total cholesterol, mmol/L | 4.93 ± 0.99 | 5.15 ± 0.99 | 5.25 ± 1.06 | < 0.0001 |
 Triglycerides, mmol/L | 1.22(0.91–1.75) | 1.53(1.11–2.17) | 1.61(1.16–2.21) | < 0.0001 |
 LDL cholesterol, mmol/L | 3.04 ± 0.88 | 3.24 ± 0.85 | 3.31 ± 0.95 | < 0.0001 |
 HDL cholesterol, mmol/L | 1.24 ± 0.30 | 1.14 ± 0.27 | 1.10 ± 0.27 | < 0.0001 |
 Dyslipidemia,% | 184(34.78) | 198(53.66) | 186(60.78) | < 0.0001 |
 Systolic blood pressure, mmHg | 117.47 ± 17.76 | 124.28 ± 19.22 | 124.66 ± 18.99 | < 0.0001 |
 Diastolic blood pressure, mmHg | 73.18 ± 11.04 | 76.21 ± 11.06 | 76.38 ± 11.04 | 0.0001 |
 Pulse pressure, mmHg | 44.29 ± 11.38 | 48.07 ± 14.02 | 48.28 ± 13.11 | < 0.0001 |
 Mean arterial pressure, mmHg | 87.94 ± 12.55 | 92.23 ± 12.69 | 92.48 ± 12.78 | < 0.0001 |
Yi farmers | ||||
 Number | 936 | 404 | 372 |  |
 C-Reactive Protein, median(interquartile range), mg/L | 0.39(0.24–0.60) | 1.70(1.35–2.23) | 6.59(4.19–11.95) |  |
 Age, mean(SD), y | 43.31 ± 12.20 | 47.33 ± 13.04 | 47.47 ± 13.03 | < 0.0001 |
 BMI, mean(SD), kg/m2 | 21.58 ± 3.02 | 22.82 ± 3.76 | 22.65 ± 4.28 | 0.0001 |
 Cigarette Smokers, % | 259(27.67) | 147(36.39) | 156(41.94) | < 0.0001 |
 Alcohol drinkers, % | 306(32.73) | 166(41.19) | 175(47.04) | < 0.0001 |
 Education Level > elementary, % | 93(9.94) | 54(13.37) | 47(12.63) | 0.09 |
 Family history of hypertension, % | 32(3.42) | 14(3.47) | 11(2.96) | 0.71 |
 Total cholesterol, mmol/L | 4.89 ± 0.94 | 5.10 ± 0.99 | 5.00 ± 1.18 | 0.0211 |
 Triglycerides, mmol/L | 1.07(0.82–1.50) | 1.21(0.89–1.77) | 1.17(0.91–1.74) | < 0.0001 |
 LDL cholesterol, mmol/L | 3.00 ± 0.80 | 3.16 ± 0.86 | 3.09 ± 0.98 | 0.0154 |
 HDL cholesterol, mmol/L | 1.27 ± 0.29 | 1.23 ± 0.31 | 1.15 ± 0.31 | < 0.0001 |
 Dyslipidemia,% | 279(29.81) | 172(42.57) | 190(51.08) | < 0.0001 |
 Systolic blood pressure, mmHg | 116.80 ± 15.75 | 120.48 ± 17.23 | 120.02 ± 16.93 | 0.0002 |
 Diastolic blood pressure, mmHg | 70.94 ± 10.49 | 72.55 ± 10.99 | 74.37 ± 11.65 | < 0.0001 |
 Pulse pressure, mmHg | 45.86 ± 10.32 | 47.93 ± 11.74 | 45.65 ± 10.85 | 0.63 |
 Mean arterial pressure, mmHg | 86.23 ± 11.50 | 88.52 ± 12.20 | 89.59 ± 12.64 | < 0.0001 |