| Characteristic | Male (n = 1100) | Female (n = 1199) | All (n = 2299) |
| Age |
|
|
|
| 60 - 64 years | 306 (27.8) | 382 (31.9) | 688 (29.9) |
| 65 - 69 years | 315 (28.6) | 307 (25.6) | 622 (27.1) |
| 70 - 74 years | 229 (20.8) | 241 (20.1) | 470 (20.4) |
| ≥75 years | 250 (22.7) | 269 (22.4) | 519 (22.6) |
| Ethnicity (%) |
|
|
|
| Han | 617 (56.1) | 642 (53.5) | 1259 (54.8) |
| Minority | 483 (43.9) | 557 (46.5) | 1040 (45.2) |
| Education (%) |
|
|
|
| Illiterate | 749 (68.1) | 1056 (88.1)** | 1805 (78.5) |
| Primary or higher | 351 (31.9) | 143 (11.9) | 494 (21.5) |
| Impoverished (%) (per net income < 333.3$) | 110 (10.0) | 146 (12.2) | 256 (11.1) |
| Smoker (%) | 851 (77.4) | 45 (3.8)** | 896 (39.0) |
| Drinker (%) | 321 (29.2) | 25 (2.1)** | 346 (15.1) |
| White meat | 310 (28.2) | 353 (29.4) | 663 (28.8) |
| Sleep |
|
|
|
| Good | 626 (56.9) | 468 (39.0)** | 1094 (47.6) |
| Poor | 474 (43.1) | 731 (61.0) | 1205 (52.4) |
| Family history of NCD |
|
|
|
| Hypertension | 114 (10.4) | 200 (16.7)** | 314 (13.7) |
| Stroke | 16 (1.5) | 29 (2.4) | 45 (2.0) |
| coronary heart disease | 21 (1.9) | 38 (3.2) | 59 (2.6) |
| Hyperlipemia | 13 (1.2) | 18 (1.5) | 31 (1.3) |
| Mean BMI | 22.8±3.3 | 23.2±3.7 | 23.0±3.5 |
| Overweight (%) | 268 (24.4) | 338 (28.2)** | 606 (26.4) |
| Obesity (%) | 75 (6.8) | 121 (10.1)** | 196 (8.5) |
| Mean waist circumference | 83.0±9.2 | 83.6±10.0 | 83.3±9.7 |
| Central obesity | 476 (43.3) | 794 (66.2)** | 1270 (55.2) |