Table 1.
Baseline characteristics of the included participants according to the level of FPG
| Total | NFG | IFG | T2DM | ||
|---|---|---|---|---|---|
| Variable | N = 59,874 | N = 49,057 (81.9) | N = 5898 (9.9) | N = 4919 (8.2) | P values |
| Age, years | 65 (62–72) | 65 (62–72) | 65 (62–72) | 66 (62–72) | 0.001 |
| SBP, mmHg | 130 (120–145) | 130 (120–142) | 135 (121–150) | 138 (125–150) | < 0.001 |
| TG, mmol/L | 1.26 (0.92–1.63) | 1.23 (0.90–1.60) | 1.34 (1.00–1.83) | 1.48 (1.09–2.13) | < 0.001 |
| TC, mmol/L | 4.76 (4.18–5.36) | 4.71 (4.16–5.31) | 4.86 (4.23–5.53) | 4.97 (4.31–5.62) | < 0.001 |
| BMI, kg/m2 | 23.94 (22.09–26.35) | 23.81 (21.99–26.08) | 24.73 (22.76–27.21) | 25.11 (22.99–27.55) | < 0.001 |
| Sex | < 0.001 | ||||
| Male | 28,367 (47.4) | 23,654 (48.2) | 2587 (43.9) | 2126 (43.2) | |
| Female | 31,507 (52.6) | 25,403 (51.8) | 3311 (56.1) | 2793 (56.8) | |
| Smoking | < 0.001 | ||||
| Never | 51,437 (85.9) | 41,973 (85.6) | 5155 (87.4) | 4309 (87.6) | |
| Former | 1300 (2.2) | 1043 (2.1) | 142 (2.4) | 115 (2.3) | |
| Current | 7137 (11.9) | 6041 (12.3) | 601 (10.2) | 495 (10.1) | |
| Alcohol consumption | 0.001 | ||||
| Never | 55,915 (93.4) | 45,863 (93.5) | 5506 (93.4) | 4546 (92.4) | |
| Once in a while | 2365 (3.9) | 1938 (4.0) | 218 (3.7) | 209 (4.2) | |
| More than once a week | 504 (0.8) | 416 (0.8) | 50 (0.8) | 38 (0.8) | |
| Every day | 1090 (1.8) | 840 (1.7) | 124 (2.1) | 126 (2.6) | |
| Physical exercise | < 0.001 | ||||
| Never | 45,161 (75.4) | 37,447 (76.3) | 4246 (72.0) | 3468 (70.5) | |
| Once in a while | 3008 (5.0) | 2514 (5.1) | 265 (4.5) | 229 (4.7) | |
| More than once a week | 2013 (3.4) | 1647 (3.4) | 200 (3.4) | 166 (3.4) | |
| Every day | 9692 (16.2) | 7449 (15.2) | 1187 (20.1) | 1056 (21.5) | |
| BMI (kg/m2) categories | < 0.001 | ||||
| BMI < 18.5 | 1288 (2.2) | 1152 (2.3) | 91 (1.5) | 45 (0.9) | |
| 18.5 ≤ BMI < 24 | 28,982 (48.4) | 24,798 (50.5) | 2390 (40.5) | 1794 (36.5) | |
| 24 ≤ BMI < 28 | 21,615 (36.1) | 17,261 (35.2) | 2305 (39.1) | 2049 (41.7) | |
| BMI ≥ 28 | 7989 (13.3) | 5846 (11.9) | 1112(18.9) | 1031 (21.0) | |
| Self-reported comorbidity | < 0.001 | ||||
| CHD, COPD, cancer, stroke | 14,888 (24.9) | 11,830 (24.1) | 1597 (27.1) | 1461 (29.7) | |
| Death | 7928 (13.2) | 6457 (13.2) | 712 (12.1) | 759 (15.4) | < 0.001 |
SBP Systolic blood pressure, CHD Coronary heart disease, COPD Chronic obstructive pulmonary disease