Table 2.
Description of study participants
| Characteristic | Fifths of TyG-BMI index (N = 114,957) | ||||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | Q5 | |
| 22,991 | 22,991 | 22,993 | 22,991 | 22,991 | |
| Age, years, mean (SE) | 50.9 (0.1) | 52.5 (0.1) | 53.6 (0.1) | 54.4 (0.1) | 54.4 (0.1) |
| BMI, kg/m2, mean (SE) | 20.5 (0.0) | 22.5 (0.0) | 23.7 (0.0) | 25.1 (0.0) | 27.7 (0.0) |
| Male, n (%) | 4,207 (18.3) | 5,104 (22.2) | 5,909 (25.7) | 6,644 (28.9) | 6,782 (29.5) |
| Elementary education, n (%) | 2,028 (8.8) | 2,656 (11.6) | 3,312 (14.4) | 4,215 (18.3) | 5,053 (22.0) |
| Income, < 1000USD, n (%) | 1,748 (7.6) | 1,859 (8.1) | 2,154 (9.4) | 2,537 (11.0) | 2,913 (12.7) |
| Single/others, n (%) | 2,527 (11.0) | 2,180 (9.5) | 2,274 (9.9) | 2,354 (10.2) | 2,726 (11.9) |
| Rural residents, n (%) | 7,195 (31.3) | 7,146 (31.1) | 7,115 (30.9) | 7,379 (32.1) | 7,764 (33.8) |
| Current smokers, n (%) | 3,196 (13.9) | 3,487 (15.2) | 3,555 (15.5) | 3,612 (15.7) | 3,514 (15.3) |
| Current drinkers, n (%) | 10,587 (46.1) | 10,534 (45.8) | 10,503 (45.7) | 10,028 (43.6) | 10,101 (43.9) |
| Regular exercise, n (%) | 7,984 (34.7) | 8,472 (36.9) | 8,727 (38.0) | 8,433 (36.7) | 7,634 (33.2) |
| Elevated hs-CRP, n (%) | 1,071 (4.7) | 1,176 (5.1) | 1,418 (6.2) | 1,621 (7.1) | 2,454 (10.7) |
| History of Cancer, n (%) | 854 (3.7) | 731 (3.2) | 766 (3.3) | 752 (3.3) | 712 (3.1) |
| History of CVD, n (%) | 328 (1.4) | 443 (1.9) | 555 (2.4) | 651 (2.8) | 750 (3.3) |
| Disease score, ≥ 1, n (%) | 1,372 (6.0) | 1,691 (7.4) | 2,005 (8.7) | 2,134 (9.3) | 2,495 (10.9) |
| TyG, median (IQR) | 7.9 (7.6–8.2) | 8.3 (7.9–8.5) | 8.5 (8.2–8.8) | 8.7 (8.4-9.0) | 9.1 (8.7–9.4) |
| TyG-BMI, median (IQR) | 164 (164 − 155) | 184 (178–191) | 199 (193–208) | 218 (210–224) | 247 (236–261) |
| TyG-WC, median (IQR) | 572 (533–620) | 634 (593–685) | 678 (636–731) | 727 (684–777) | 808 (755–865) |
| METS-IR, median (IQR) | 27.0 (25.9–29.4) | 31.3 (29.7–33.2) | 34.0 (32.4–36.0) | 37.1 (35.4–39.2) | 42.6 (40.0-45.6) |
| VAI, median (IQR) | 1.8 (1.3–2.3) | 2.2 (1.6–2.9) | 2.6 (1.9–3.4) | 3.0 (2.3–3.9) | 3.8 (2.8–5.2) |
| LAP, median (IQR) | 8.5 (5.6–12.3) | 15.9 (11.7–21.5) | 23.2 (17.4–31.2) | 33.4 (25.2–44.6) | 54.5 (39.9–77.2) |
SE, standard error; IQR, interquartile range; BMI, body mass index; TyG, triglyceride-glucose index; WC, waist circumference; VAI, visceral adiposity index; LAP, lipid accumulation product; METS-IR, metabolic score for insulin resistance; CVD, cardiovascular disease; hs-CRP, high sensitivity C-reactive protein