Table 2.
Baseline characteristic of the study population according to TyG quartiles
| Total (n = 4418) |
Q1 (n = 1105) |
Q2 (n = 1104) |
Q3 (n = 1104) |
Q4 (n = 1105) |
P | |
|---|---|---|---|---|---|---|
| Age, Median (P25, P75) | 57 (50, 63) | 57 (49, 64) | 56 (50, 64) | 57 (51, 63) | 57 (50, 63) | 0.97 |
| Gender, n (%) | < 0.01 | |||||
| Female | 2184 (49.43) | 470 (42.53) | 539 (48.82) | 574 (51.99) | 601 (54.39) | |
| Male | 2234 (50.57) | 635 (57.47) | 565 (51.18) | 530 (48.01) | 504 (45.61) | |
| Marital, n (%) | 0.27 | |||||
| Married | 4005 (90.65) | 989 (89.5) | 1000 (90.58) | 1015 (91.94) | 1001 (90.59) | |
| Non-Married | 413 (9.35) | 116 (10.5) | 104 (9.42) | 89 (8.06) | 104 (9.41) | |
| Education, n (%) | 0.95 | |||||
| Elementary school and below | 694 (62.81) | 697 (63.13) | 697 (63.13) | 698 (63.17) | ||
| High school | 1069 (24.2) | 273 (24.71) | 258 (23.37) | 274 (24.82) | 264 (23.89) | |
| College and higher | 563 (12.74) | 138 (12.49) | 149 (13.5) | 133 (12.05) | 143 (12.94) | |
| Location, n (%) | 0.02 | |||||
| Urban | 4038 (91.4) | 1031 (93.3) | 1004 (90.94) | 1013 (91.76) | 990 (89.59) | |
| Rural | 380 (8.6) | 74 (6.7) | 100 (9.06) | 91 (8.24) | 115 (10.41) | |
| Smoking, n (%) | < 0.01 | |||||
| Never | 614 (55.57) | 655 (59.33) | 663 (60.05) | 689 (62.35) | ||
| Former smoker | 75 (6.79) | 81 (7.34) | 90 (8.15) | 89 (8.05) | ||
| Current smoker | 1462 (33.09) | 416 (37.65) | 368 (33.33) | 351 (31.79) | 327 (29.59) | |
| Drinking, n (%) | 0.04 | |||||
| None of these | 2829 (64.03) | 675 (61.09) | 701 (63.5) | 751 (68.03) | 702 (63.53) | |
| Drink but less than once a month | 377 (8.53) | 97 (8.78) | 101 (9.15) | 87 (7.88) | 92 (8.33) | |
| Drink more than once a month | 1212 (27.43) | 333 (30.14) | 302 (27.36) | 266 (24.09) | 311 (28.14) | |
| Sleep time, Median (P25, P75) | 7 (6, 8) | 7 (6, 8) | 7 (5, 8) | 7 (6, 8) | 7 (6, 8) | 0.07 |
| Diabetes, n (%) | 524 (11.86) | 33 (2.99) | 49 (4.44) | 123 (11.14) | 319 (28.87) | < 0.01 |
| Hypertension, n (%) | 1725 (39.04) | 335 (30.32) | 390 (35.33) | 455 (41.21) | 545 (49.32) | < 0.01 |
| BMI, Median (P25, P75) | 23.07 (20.92, 25.36) | 21.94 (20.19, 23.88) | 22.89 (20.83, 24.84) | 23.18 (21.16, 25.62) | 24.28 (21.95, 26.59) | < 0.01 |
| Glucose(mg/dl), Median (P25, P75) | 101.88(94.14,111.24) | 95.58(88.74,102.78) | 99.81 (93.78, 106.24) | 102.78 (96.12, 111.06) | 112.5 (102.24, 129.24) | < 0.01 |
| TG (mg/dl), Median (P25, P75) | 101.78(73.46, 152) | 60.18 (51.33, 68.14) | 86.73 (77.88, 96.46) | 124.34 (108.86, 140.71) | 200.9 (169.92, 252.23) | < 0.01 |
| HDL-C(mg/dl), Median (P25, P75) | 49.10 (40.21, 59.92) | 58.38 (49.48, 68.04) | 52.19 (44.85, 61.47) | 46.78 (39.43, 55.28) | 39.82 (33.63, 47.55) | < 0.01 |
| LDL-C(mg/dl), Median (P25, P75) | 114.05 (93.56, 135.7) | 107.09 (88.92,126.42) | 115.98 (98.58, 136.47) | 119.46 (99.65, 140.34) | 112.5 (89.3, 140.34) | < 0.01 |
| CRP (mg/dl), Median (P25, P75) | 0.92 (0.5, 1.82) | 0.74 (0.44, 1.54) | 0.78 (0.46, 1.59) | 1.00 (0.55, 1.95) | 1.22 (0.66, 2.18) | < 0.01 |
| Arthritis, n (%) | 396 (8.96) | 84 (7.6) | 99 (8.97) | 98 (8.88) | 115 (10.41) | 0.15 |
Note: p-Values were calculated from chi-square tests (categorical variables) or rank-sum tests (continuous variables without normal distribution), or anova (continuous variables with normal distribution)