Table 1.
Demographic characteristics and mean value of BP, FBG, and anthropometric measurements among the study population
| Characteristics | Han ethnic majority (n = 1495) | Na Xi ethnic minority (n = 1402) | Li Shu ethnic minority (n = 1366) | Dai ethnic minority (n = 1397) | Jing Po ethnic minority (n = 1367) | All (n = 7027) |
|---|---|---|---|---|---|---|
| Sex (n, %) | ||||||
| Male | 757 (50.6) | 644 (45.9) | 675 (49.4) | 686 (49.1) | 672 (49.2) | 3434 (48.9) |
| Female | 738 (49.4) | 758 (54.1) | 691 (50.6) | 711 (50.9) | 695 (50.8) | 3593 (51.1) |
| Age (years, mean ± SD) | 54.2 ± 12.2 | 53.9 ± 13.1 | 50.8 ± 12.0 | 54.9 ± 12.4 | 50.9 ± 11.5 | 53.2 ± 12.5 |
| Level of education (n, %) | ||||||
| Primary (grade 1–6) or lower | 499 (33.4)** | 551 (39.3) | 944 (69.1) | 974 (69.7) | 903 (66.1) | 3871 (55.1) |
| Middle (grade 7–9) or higher | 996 (66.6) | 851 (60.7) | 422 (30.9) | 423 (30.3) | 464 (33.9) | 3156 (44.9) |
| Approximate annual household income (n, %) | ||||||
| Low (<$800 US) | 204 (13.6)** | 291 (20.8) | 959 (70.2) | 1036 (74.2) | 903 (66.1) | 3393 (48.3) |
| High (≥$800 US) | 1291 (86.4) | 1111 (79.2) | 407 (29.8) | 361 (25.8) | 464 (33.9) | 3634 (51.7) |
| Height (cm, mean ± SD) | 160.1 ± 8.0 | 160.4 ± 8.1 | 160.2 ± 7.7 | 158.2 ± 8.2 | 156.4* ± 7.7 | 159.1 ± 8.1 |
| Weight (kg, mean ± SD) | 59.5 ± 10.8 | 59.4 ± 10.3 | 54.5** ± 8.5 | 60.7 ± 10.8 | 55.2 ± 9.0 | 57.9 ± 10.2 |
| BMI (kg/m2, mean ± SD) | 23.2 ± 3.6 | 23.1 ± 3.5 | 21.2** ± 2.6 | 24.2 ± 3.8 | 22.5 ± 3.1 | 22.8 ± 3.5 |
| Waist circumference (cm, mean ± SD) | 77.6 ± 9.2 | 83.0 ± 10.4 | 76.9 ± 8.7 | 85.4 ± 9.4 | 79.9 ± 8.3 | 80.5 ± 9.8 |
| Systolic BP (mm Hg, mean ± SD) | 122.3 ± 18.2 | 123.8 ± 19.9 | 121.2 ± 16.3 | 139.2** ± 21.6 | 129.6 ± 21.51 | 127.2 ± 20.7 |
| Diastolic BP (mm Hg, mean ± SD) | 80.0 ± 11.5 | 79.8 ± 11.5 | 78.9 ± 10.3 | 87.7** ± 12.7 | 84.0 ± 13.0 | 82.1 ± 12.3 |
| FBG (mmol/l, mean ± SD) | 6.2 ± 1.8 | 5.5 ± 1.1 | 5.8 ± 1.6 | 5.3** ± 1.6 | 5.4 ± 1.4 | 5.8 ± 1.7 |
BMI body mass index, BP blood pressure, FBG fasting blood glucose, SD standard deviation
* P < 0.05, ** P < 0.01