Table 1 Baseline characteristics of research participants
Characteristic | Total (n = 5,578) | BMI (kg/m2) | |||
|---|---|---|---|---|---|
< 18.5 (n = 232) | 18.5–23.9 (n = 2,856) | 24.0–27.9 (n = 1,770) | ≥28.0 (n = 720) | ||
Age, n (%) | |||||
18– | 2,625 (47.1) | 139 (59.9) | 1,424 (49.8) | 741 (41.9) | 321 (44.6) |
45– | 2,035 (36.5) | 48 (20.7) | 948 (33.2) | 748 (42.2) | 291 (40.4) |
60– | 918 (16.4) | 45 (19.4) | 484 (17.0) | 281 (15.9) | 108 (15.0) |
Men, n (%) | 2,391 (42.9) | 103 (44.4) | 1,266 (44.3) | 735 (41.5) | 287 (39.9) |
Education, n (%) | |||||
Illiterate | 547 (9.8) | 21 (9.1) | 274 (9.6) | 174 (9.8) | 78 (10.8) |
Primary school | 1,793 (32.2) | 76 (32.8) | 940 (32.9) | 557 (31.5) | 220 (30.6) |
Junior school | 1,926 (34.5) | 85 (36.6) | 986 (34.5) | 596 (33.7) | 259 (36.0) |
Senior high school and above | 1,312 (23.5) | 50 (21.5) | 656 (23.0) | 443 (25.0) | 163 (22.6) |
Total household incomea, n (%) | |||||
< 10,000 | 990 (19.7) | 40 (18.9) | 520 (20.0) | 300 (18.8) | 130 (20.8) |
10,000– | 1,290 (25.6) | 54 (25.5) | 655 (25.2) | 415 (26.1) | 166 (26.6) |
20,000– | 1,469 (29.2) | 59 (27.8) | 763 (29.3) | 475 (29.8) | 172 (27.5) |
36,000– | 1,282 (25.5) | 59 (27.8) | 664 (25.5) | 402 (25.3) | 157 (25.1) |
Urban, n (%) | 2,519 (45.2) | 107 (46.1) | 1,253 (43.9) | 860 (48.6) | 299 (41.5) |
Smoking, n (%) | 1,596 (28.6) | 74 (31.9) | 898 (31.4) | 449 (25.4) | 175 (24.3) |
Drinking, n (%) | 2,171 (38.9) | 90 (38.8) | 1,159 (40.6) | 662 (37.4) | 260 (36.1) |
Family history of diabetes mellitusb, n (%) | 293 (5.9) | 2 (1.0) | 132 (5.3) | 100 (6.3) | 59 (9.1) |
Hypertension, n (%) | 1,996 (35.8) | 37 (16.0) | 730 (25.6) | 797 (45.0) | 432 (60.0) |
Dyslipidemia, n (%) | 2,776 (49.8) | 84 (36.2) | 1,173 (41.1) | 1,029 (58.1) | 490 (68.1) |
Abdominal obesity, n (%) | 2,389 (42.8) | 6 (2.6) | 455 (15.9) | 1,251 (70.7) | 677 (94.0) |
Insufficient intake of fruits and vegetables, n (%) | 5,327 (95.5) | 223 (96.1) | 2,728 (95.5) | 1,687 (95.3) | 689 (95.7) |
Excessive intake of red meat, n (%) | 1,893 (33.9) | 83 (35.8) | 1,043 (36.5) | 575 (32.5) | 192 (26.7) |
Lack of physical activities, n (%) | 833 (14.9) | 37 (15.9) | 403 (14.1) | 285 (16.1) | 108 (15.0) |
FPG, mmol/L | 5.1 (4.7, 5.5) | 5.0 (4.5, 5.4) | 5.1 (4.7, 5.5) | 5.2 (4.8, 5.6) | 5.3 (4.9, 5.6) |
2-h plasma glucose, mmol/L | 5.5 (4.7, 6.3) | 5.1 (4.4, 5.8) | 5.3 (4.6, 6.1) | 5.6 (4.9, 6.4) | 5.8 (5.1, 6.6) |