Table 1 Demographic and systemic factors among the three ethnic groups
Han ethnicity | Bai ethnicity | Yi ethnicity | P value | |
|---|---|---|---|---|
Age (years) | 65.4 (9.5) | 64.6 (9.0) | 65.0 (9.2) | 0.017 |
Female gender | 1321 (59.9) | 1364 (63.9) | 1258 (57.0) | < 0.001 |
No formal education | 1188 (53.9) | 759 (35.6) | 1142 (51.7) | < 0.001 |
Weight (kg) | 52.1 (9.1) | 54.8 (9.9) | 49.2 (9.5) | < 0.001 |
Height (cm) | 156.2 (8.3) | 158.2 (11.5) | 155.3 (8.5) | < 0.001 |
Body mass index (kg/m2) | 21.3 (3.2) | 22.0 (5.2) | 20.3 (3.2) | < 0.001 |
Systolic blood pressure (mmHg) | 139.8 (24.8) | 145.6 (25.6) | 143.0 (26.0) | < 0.001 |
Diastolic blood pressure (mmHg) | 78.1 (13.3) | 80.2 (14.6) | 78.6 (13.9) | < 0.001 |
Diabetes | 57 (2.6) | 44 (2.1) | 24 (1.1) | 0.001 |
Smoking | 583 (26.4) | 502 (23.5) | 583 (26.4) | < 0.001 |
Alcohol intake | 454 (20.6) | 284 (13.7) | 593 (26.9) | < 0.001 |