Table 1.
Baseline characteristics in 2015 of these 1774 participants according to quartiles of the TyG index.
| Characteristic | Total | TyG Index | p Value | |||
|---|---|---|---|---|---|---|
| Q1 (<7.87) | Q2 (7.87–8.25) | Q3 (8.25–8.68) | Q4 (≥8.68) | |||
| N, (%) | 1774 | 437 | 450 | 444 | 443 | |
| Age, year, (mean ± SD) | 53.48 ± 8.47 | 51.91 ± 8.58 | 53.59 ± 8.57 | 54.48 ± 8.47 | 53.92 ± 8.09 | <0.001 |
| Sex, n (%) | <0.001 | |||||
| Male | 851(47.97) | 148(33.87) | 198(44.00) | 250(56.31) | 255(57.56) | |
| Female | 923(52.03) | 289(66.13) | 252(56.00) | 194(43.69) | 188(42.44) | |
| Educational level, n (%) | 0.601 | |||||
| Illiterate | 65(3.66) | 12(2.75) | 17(3.78) | 22(4.95) | 14(3.16) | |
| Primary | 95(5.36) | 21(4.81) | 28(6.22) | 22(4.95) | 24(5.42) | |
| Junior or above | 1614(90.98) | 404(92.45) | 405(90.00) | 400(90.09) | 405(91.42) | |
| Body mass index, kg/m2, (mean ± SD) | 25.02 ± 5.39 | 23.55 ± 9.22 | 24.52 ± 3.03 | 25.57 ± 2.99 | 26.43 ± 3.18 | <0.001 |
| Current smoking, n (%) | 394(22.21) | 66(15.10) | 81(18.00) | 114(25.68) | 133(30.02) | <0.001 |
| Current drinking, n (%) | 553(31.78) | 101(23.54) | 121(27.38) | 151(34.55) | 180(41.67) | <0.001 |
| Regular physical activity, n (%) | 883(60.90) | 210(57.69) | 222(61.16) | 239(66.02) | 212(58.73) | 0.489 |
| Medical history, n (%) | ||||||
| Hypertension | 632(35.63) | 87(19.91) | 135(30.00) | 179(40.32) | 231(52.14) | <0.001 |
| Diabetes mellitus | 226(12.74) | 10(2.29) | 25(5.56) | 56(12.61) | 135(30.47) | <0.001 |
| Dyslipidemia | 1012(57.05) | 60(13.73) | 132(29.33) | 382(86.04) | 438(98.87) | <0.001 |
| Laboratory test, (mean ± SD) | ||||||
| TyG index | 8.31 ± 0.62 | 7.60 ± 0.21 | 8.06 ± 0.11 | 8.45 ± 0.12 | 9.14 ± 0.44 | <0.001 |
| FBG, mg/dL | 6.21 ± 1.42 | 5.67 ± 0.49 | 5.90 ± 0.72 | 6.17 ± 0.96 | 7.08 ± 2.29 | <0.001 |
| LDL, mg/dL | 3.42 ± 0.82 | 3.01 ± 0.63 | 3.38 ± 0.79 | 3.61 ± 0.82 | 3.66 ± 0.86 | <0.001 |
| HDL, mg/dL | 1.27 ± 0.27 | 1.43 ± 0.27 | 1.32 ± 0.25 | 1.21 ± 0.24 | 1.12 ± 0.23 | <0.001 |
| TC, mg/dL | 5.15 ± 0.98 | 4.71 ± 0.78 | 5.09 ± 0.91 | 5.29 ± 0.95 | 5.51 ± 1.06 | <0.001 |
| TG, mg/dL | 2.00 ± 1.53 | 0.91 ± 0.17 | 1.36 ± 0.19 | 1.94 ± 0.31 | 3.79 ± 2.09 | <0.001 |
Abbreviations: Q, quartile; TyG, triglyceride-glucose; FBG, fasting blood glucose; TC, total cholesterol; TG, triglycerides; HDL, high-density lipoprotein; LDL, low-density lipoprotein levels.