| Characteristics | IFG (n = 1452) | IGT (n = 2243) | CGI (n = 1215) | NGR (n = 3842) |
| BMI | Obesity, n (%) | 1027 (16.6) | 1666 (26.9) | 934 (15.1) | 2577 (41.5) | Overweight, n (%) | 425 (16.7) | 577 (22.6) | 281 (11.0) | 1265 (49.6) |
| Age | Middle age, n (%) | 938 (18.5) | 1335 (26.3) | 867 (17.1) | 1929 (38.1) | Young, n (%) | 514 (14.0) | 908 (24.7) | 348 (9.4) | 1913 (51.9) |
| Gender | Male, n (%) | 497 (21.1) | 454 (19.2) | 300 (12.7) | 1109 (47.0) | Female, n (%) | 955 (14.9) | 1789 (28.0) | 915 (14.3) | 2733 (42.8) |
| Living area | Urban, n (%) | 772 (16.8) | 1063 (23.1) | 648 (14.1) | 2124 (46.1) | Rural, n (%) | 680 (16.4) | 1180 (28.5) | 567 (13.7) | 1718 (41.4) |
| Sweet foods | Frequent, n (%) | 509 (17.3) | 682 (23.2) | 446 (15.2) | 1303 (44.3) | Rare, n (%) | 943 (16.2) | 1561 (26.9) | 769 (13.2) | 2539 (43.7) |
| Salty foods | Frequent, n (%) | 476 (16.3) | 723 (24.8) | 405 (13.9) | 1317 (45.1) | Rare, n (%) | 976 (16.7) | 1520 (26.1) | 810 (13.9) | 2525 (43.3) |
| High-fat foods | Frequent, n (%) | 693 (16.2) | 1136 (26.6) | 614 (14.4) | 1831 (42.8) | Rare, n (%) | 759 (16.9) | 1107 (24.7) | 601 (13.4) | 2011 (44.9) |
| Grilled foods | Frequent, n (%) | 60 (21.1) | 63 (22.1) | 45 (15.8) | 117 (41.1) | Rare, n (%) | 1392 (16.4) | 2180 (25.7) | 1170 (13.8) | 3725 (44.0) |
| Processed foods | Frequent, n (%) | 48 (22.0) | 45 (20.6) | 43 (19.7) | 82 (37.6) | Rare, n (%) | 1404 (16.5) | 2198 (25.8) | 1172 (13.7) | 3760 (44.1) |
| Fruits and vegetables | Deficient, n (%) | 1340 (16.8) | 2025 (25.4) | 1113 (13.9) | 3504 (43.9) | Sufficient, n (%) | 112 (14.5) | 218 (28.3) | 102 (13.2) | 338 (43.9) |
| Physical activities | Deficient, n (%) | 207 (19.9) | 232 (22.3) | 133 (12.8) | 470 (45.1) | Sufficient, n (%) | 1245 (16.1) | 2011 (26.1) | 1082 (14.0) | 3372 (43.7) |
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IFG, impaired fasting glucose; IGT, impaired glucose tolerance; CGI, combined glucose impairment; NGR, normal glucose regulation; BMI, body mass index; MET, metabolic equivalent of task; frequent, ≥1x/day; rare, <1x/day; deficient, <5 potion/day or <150 minutes/week; sufficient, ≥5 portion/day or >150 minutes/week.
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