Demographic characteristic of the study population among optimal BP, prehypertension and hypertension groups in Mongolian and Han adults
| Variables | Han (n=2308) | p value | Mongolian(n=919) | p Value | ||||
| Optimal BP (n=1009) | Prehypertension (n=664) | Hypertension (n=635) | Optimal BP (n=398) | Prehypertension (n=232) | Hypertension (n=289) | |||
| Age, years (mean±SD) | 39.10±12.08 | 45.92±13.43* | 53.47±11.37†‡ | <0.0001 | 38.02±11.91 | 43.98±11.74* | 53.59±11.16†‡ | <0.0001 |
| Male % (95% CI) | 24.68 (22.02 to 27.34) | 51.51 (47.70 to 55.31)* | 48.03 (44.15 to 51.92)† | <0.0001 | 22.36 (18.27 to 26.46) | 53.02 (46.60 to 59.44)* | 50.17 (44.41 to 55.94)† | <0.0001 |
| BMI, kg/m2 (mean±SD) | 22.93±3.23 | 24.91±3.76* | 26.46±3.64†‡ | <0.0001 | 23.19±3.38 | 25.43±3.64* | 27.18±4.18†‡ | <0.0001 |
| SBP, mmHg (mean±SD) | 108.20±7.21 | 126.10±6.49* | 140.90±15.02†‡ | <0.0001 | 107.50±7.98 | 125.20±6.33* | 141.30±15.30†‡ | <0.0001 |
| DBP, mmHg (mean±SD) | 69.06±5.98 | 79.54±6.01* | 88.07±10.31†‡ | <0.0001 | 68.62±6.24 | 79.61±5.38* | 90.34±11.56†‡ | <0.0001 |
| FPG, mmol/L (mean±SD) | 5.09±1.12 | 5.34±1.04* | 5.75±1.53†‡ | <0.0001 | 4.98±0.85 | 5.34±1.26* | 5.73±1.56†‡ | <0.0001 |
| TC, mmol/L (mean±SD) | 4.57±0.98 | 4.92±0.98* | 5.07±1.02†‡ | <0.0001 | 4.65±0.90 | 5.07±0.92* | 5.37±1.04†‡ | <0.0001 |
| TG, mmol/L (geometric mean, 95% CI) | 1.23 (1.19 to 1.27) | 1.57 (1.51 to 1.64)* | 1.86 (1.78 to 1.94)†‡ | <0.0001 | 1.08 (1.03 to 1.13) | 1.48 (1.37 to 1.60)* | 1.83 (1.72 to 1.95)†‡ | <0.0001 |
| LDL-C, mmol/L (mean±SD) | 2.69±0.78 | 2.94±0.87* | 3.00±0.91† | <0.0001 | 2.78±0.76 | 3.04±0.84* | 3.32±0.93†‡ | <0.0001 |
| HDL-C, mmol/L (mean±SD) | 1.37±0.34 | 1.30±0.34* | 1.25±0.34† | <0.0001 | 1.46±0.36 | 1.36±0.38* | 1.31±0.35† | <0.0001 |
| Current smoker, % (95% CI) | 17.24 (14.91 to 19.58) | 29.67 (26.19 to 33.14)* | 25.35 (21.97 to 28.74)† | <0.0001 | 17.09 (13.39 to 20.78) | 30.60 (24.67 to 36.53)* | 20.76 (16.09 to 25.44)‡ | 0.0003 |
| Alcohol drinking, % (95% CI) | 33.20 (30.30 to 36.11) | 46.84 (43.04 to 50.63)* | 46.77 (42.89 to 50.65)† | <0.0001 | 40.70 (35.88 to 45.53) | 59.48 (53.17 to 65.80)* | 56.06 (50.33 to 61.78)† | <0.0001 |
| Overweight or obesity, % (95% CI) | 25.17 (22.50 to 27.85) | 46.99 (43.19 to 50.78)* | 63.46 (59.72 to 67.21)†‡ | <0.0001 | 29.90 (25.40 to 34.40) | 57.76 (51.40 to 64.11)* | 71.97 (66.79 to 77.15)†‡ | <0.0001 |
| Dyslipidaemia, % (95% CI) | 25.57 (22.88 to 28.26) | 41.11 (37.37 to 44.86)* | 49.92 (46.03 to 53.81)†‡ | <0.0001 | 19.10 (15.23 to 22.96) | 37.50 (31.27 to 43.73)* | 52.94 (47.19 to 58.70)†‡ | <0.0001 |
| Diabetes, % (95% CI) | 2.58 (1.60 to 3.55) | 6.78 (4.87 to 8.69)* | 14.80 (12.04 to 17.57)†‡ | <0.0001 | 1.26 (0.16 to 2.35) | 5.17 (2.32 to 8.02)* | 12.46 (8.65 to 16.26)†‡ | <0.0001 |
Data are expressed as the mean±SD, % (95% CI) or geometric mean (95% CI).
*Statistical significance between optimal BP and prehypertension (the Bonferroni method was used for multiple comparisons).
†Statistical significance between optimal BP and hypertension (the Bonferroni method was used for multiple comparisons).
‡Statistical significance between prehypertension and hypertension (the Bonferroni method was used for multiple comparisons).
BMI, body mass index; BP, blood pressure; DBP, diastolic blood pressure; FPG, fasting blood glucose; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride.