Table 2.
Clinical and laboratory characteristics based on TyG index quartiles, weighted.
| Quartile I | Quartile II | Quartile III | Quartile IV | P value | |
|---|---|---|---|---|---|
| Age (year) | 40.19 ± 0.57 | 46.12 ± 0.50 | 49.33 ± 0.49 | 51.93 ± 0.45 | <0.001 |
| Male gender, % (SE) | 39.59 (1.32) | 46.99 (1.26) | 51.80 (1.28) | 57.95 (1.42) | <0.001 |
| Race, % (SE) | <0.001 | ||||
| Mexican American | 6.90 (0.95) | 8.13 (0.98) | 10.05 (1.06) | 11.02 (1.16) | |
| Other Hispanic | 18.50 (1.63) | 12.32 (1.09) | 8.05 (0.78) | 6.00 (0.68) | |
| Non-Hispanic White | 59.65 (2.19) | 64.53 (1.97) | 65.90 (1.96) | 67.77 (1.76) | |
| Non-Hispanic Black | 6.06 (0.86) | 6.30 (0.69) | 6.90 (0.70) | 6.32 (0.85) | |
| Other Races | 8.89 (0.87) | 8.73 (0.71) | 9.10 (0.76) | 8.88 (0.76) | |
| Smoking status, % (SE) | <0.001 | ||||
| Never | 65.40 (1.56) | 60.26 (1.85) | 54.11 (1.39) | 48.95 (1.44) | |
| Former | 20.39 (1.32) | 21.91 (1.35) | 26.58 (1.30) | 29.35 (1.28) | |
| Current | 14.20 (1.00) | 17.84 (1.40) | 19.31 (1.23) | 21.70 (1.15) | |
| Physical activity, % (SE) | 0.683 | ||||
| Vigorous | 23.68 (1.45) | 22.65 (1.40) | 22.01 (1.14) | 23.05 (1.20) | |
| Moderate | 24.13 (1.24) | 23.60 (1.24) | 23.28 (1.15) | 24.17 (1.29) | |
| Less than moderate | 52.19 (1.51) | 53.75 (1.69) | 54.72 (1.36) | 52.78 (1.46) | |
| Hypertension, % (SE) | 18.90 (1.08) | 27.48 (1.37) | 37.24 (1.36) | 47.49 (1.81) | <0.001 |
| Diabetes, % (SE) | 1.96 (0.35) | 4.52 (0.50) | 8.13 (0.69) | 25.83 (1.43) | <0.001 |
| Cardiovascular disease, % (SE) | 4.69 (0.52) | 7.71 (0.68) | 10.09 (0.77) | 13.40 (0.94) | <0.001 |
| Metabolic syndrome, % (SE) | 7.10 (0.76) | 17.57 (1.00) | 33.60 (1.24) | 82.87 (1.31) | <0.001 |
| BMI (kg/m2) | 26.33 ± 0.21 | 28.25 ± 0.20 | 30.17 ± 0.22 | 32.08 ± 0.21 | <0.001 |
| WC (cm2) | 90.76 ± 0.52 | 96.95 ± 0.51 | 102.54 ± 0.48 | 108.18 ± 0.52 | <0.001 |
| FPG (mg/dL) | 94.82 ± 0.32 | 100.23 ± 0.33 | 105.18 ± 0.46 | 129.93 ± 1.34 | <0.001 |
| FIns (µIU/ml) | 7.66 ± 0.22 | 10.49 ± 0.28 | 13.74 ± 0.35 | 20.03 ± 0.57 | <0.001 |
| TG (mg/dL) | 49.94 ± 0.39 | 81.01 ± 0.38 | 118.78 ± 0.70 | 226.33 ± 4.23 | <0.001 |
| TC (mg/dL) | 171.65 ± 1.00 | 185.28 ± 1.05 | 195.27 ± 0.97 | 205.95 ± 1.20 | <0.001 |
| LDL-c (mg/dL) | 97.90 ± 0.90 | 111.53 ± 0.87 | 119.85 ± 0.81 | 118.99 ± 0.92 | <0.001 |
| HDL-c (mg/dL) | 63.79 ± 0.55 | 57.54 ± 0.50 | 51.66 ± 0.32 | 43.28 ± 0.31 | <0.001 |
| Scr (mg/dl) | 0.83 ± 0.01 | 0.88 ± 0.01 | 0.88 ± 0.01 | 0.90 ± 0.01 | <0.001 |
| eGFR (ml/min/1.73 m2) | 96.04 ± 0.78 | 89.96 ± 0.71 | 88.79 ± 0.66 | 87.65 ± 0.73 | <0.001 |
| Urinary albumin (mg/L) | 22.97 ± 3.69 | 23.89 ± 2.70 | 28.57 ± 3.29 | 75.17 ± 11.03 | <0.001 |
| Urinary creatinine (mg/dl) | 128.70 ± 2.65 | 125.85 ± 2.56 | 128.33 ± 2.32 | 128.89 ± 2.18 | 0.5275 |
| UACR (mg/g) | 19.34 ± 2.44 | 21.88 ± 2.94 | 25.75 ± 2.59 | 72.46 ± 10.90 | <0.001 |
| Albuminuria, % (SE) | 7.13 (0.64) | 7.66 (0.64) | 8.27 (0.71) | 16.58 (1.08) | <0.001 |
| HOMA-IR | 1.83 ± 0.06 | 2.69 ± 0.11 | 3.67 ± 0.11 | 6.86 ± 0.25 | <0.001 |