Table 2.
Baseline characteristics of the NCRCHS participants according to TyG-BMI levels
| Characteristics | Level of TyG-BMI | |||
|---|---|---|---|---|
| Low (N = 3695) | Intermediated (N = 3708) | High (N = 3695) | p value for liner trend | |
| Age (years) | 53.79 ± 11.18 | 53.81 ± 10.49 | 53.89 ± 9.99 | 0.677 |
| Male [n (%)] | 1738 (47.0) | 1669 (45.0) | 1654 (44.8) | 0.050 |
| Education [n (%)] | 0.522 | |||
| Primary school or below | 1802 (48.8) | 1869 (50.4) | 1876 (50.8) | |
| Middle school | 1578 (42.7) | 1476 (39.8) | 1466 (39.7) | |
| High school or higher | 315 (8.5) | 362 (9.8) | 353 (9.5) | |
| Current smoking [n (%)] | 1532 (41.5) | 1229 (33.2) | 1134 (30.7) | < 0.001 |
| Current drinking [n (%)] | 833 (22.5) | 831 (22.4) | 806 (21.8) | 0.450 |
| Regular exercise [n (%)] | 2676 (72.4) | 2668 (72.0) | 2471 (66.9) | < 0.001 |
| SBP (mmHg) | 134.54 ± 21.50 | 141.71 ± 23.01 | 148.81 ± 23.57 | < 0.001 |
| DBP (mmHg) | 78.09 ± 10.80 | 81.94 ± 11.31 | 85.98 ± 11.82 | < 0.001 |
| FBG (mmol/L) | 5.49 ± 0.93 | 5.77 ± 1.32 | 6.45 ± 2.20 | < 0.001 |
| TG (mmol/L) | 0.97 ± 0.44 | 1.40 ± 0.80 | 2.55 ± 2.15 | < 0.001 |
| TC (mmol/L) | 4.93 ± 0.97 | 5.22 ± 1.03 | 5.55 ± 1.16 | < 0.001 |
| LDL-C (mmol/L) | 2.64 ± 0.71 | 2.95 ± 0.78 | 3.18 ± 0.88 | < 0.001 |
| HDL-C (mmol/L) | 1.55 ± 0.41 | 1.42 ± 0.37 | 1.26 ± 0.29 | < 0.001 |
| Obesity/overweight [n (%)] | 26 (0.7) | 1470 (39.7) | 3471 (93.9) | < 0.001 |
| Hypertension [n (%)] | 1325 (35.9) | 1884 (50.8) | 2449 (66.3) | < 0.001 |
| Diabetes [n (%)] | 128 (3.5) | 272 (7.3) | 752 (20.4) | < 0.001 |
| Dyslipidemia [n (%)] | 674 (18.2) | 1315 (35.5) | 2406 (65.1) | < 0.001 |
| Atrial fibrillation [n (%)] | 42 (1.1) | 43 (1.2) | 53 (1.4) | 0.248 |
| CHD [n (%)] | 144 (3.9) | 171 (4.6) | 258 (7.0) | < 0.001 |
| Ischemic stroke [n (%)] | 68 (1.8) | 99 (2.7) | 180 (4.9) | < 0.001 |
Abbreviations as in Table 1; NCRCHS Northeast China Rural Cardiovascular Health Study