TABLE 1.
Baseline characteristics of study participants according to quartiles of triglyceride glucose‐body mass index.
| Q1 | Q2 | Q3 | Q4 | p‐Value | |
|---|---|---|---|---|---|
| Number | 23137 | 23134 | 23138 | 23136 | |
| Age, years | 52.5 (44.3‐62.4) | 53.6 (45.9‐62.5) | 54.2 (47.0‐62.6) | 54.2 (47.0‐62.3) | <.001 |
| SBP, mmHg | 120.5 (110.0‐133.0) | 125.5 (114.5‐137.5) | 129.0 (118.0‐142.0) | 134.0 (123.0‐147.5) | <.001 |
| DBP, mmHg | 74.0 (68.0‐81.5) | 77.0 (70.5‐84.5) | 79.5 (72.5‐87.0) | 82.5 (75.5‐90.5) | <.001 |
| BMI, kg/m2 | 20.4 (19.3‐21.4) | 22.9 (22.1‐23.8) | 24.8 (23.9‐25.8) | 27.6 (26.3‐29.3) | <.001 |
| WC, cm | 74.0 (70.0‐78.0) | 80.1 (76.0‐85.0) | 85.0 (81.0‐90.0) | 92.0 (87.0‐97.0) | <.001 |
| TC, mg/dl | 179.0 (151.9‐209.9) | 185.2 (157.7‐215.3) | 188.7 (160.1‐220.0) | 193.3 (163.9‐226.5) | <.001 |
| TG, mg/dl | 84.2 (68.2‐106.3) | 106.3 (83.3‐137.3) | 132.0 (100.1‐177.2) | 179.9 (131.1‐254.3) | <.001 |
| LDL‐C, mg/dl | 99.0 (75.8‐117.5) | 105.5 (82.0‐126.8) | 105.6 (82.7‐130.7) | 105.6 (82.7‐129.5) | <.001 |
| HDL‐C, mg/dl | 64.2 (53.4‐77.3) | 56.8 (47.2‐68.8) | 52.2 (43.3‐63.4) | 48.3 (39.8‐58.8) | <.001 |
| FBG, mg/dl | 93.6 (84.6‐102.6) | 97.2 (88.2‐106.2) | 100.8 (91.8‐111.6) | 106.2 (95.4‐120.6) | <.001 |
| TyG index | 8.3 (8.1‐8.5) | 8.5 (8.3‐8.8) | 8.8 (8.5‐9.1) | 9.2 (8.8‐9.6) | <.001 |
| TyG‐BMI | 171.0 (160.6‐178.5) | 196.6 (191.0‐201.9) | 219.0 (213.1‐225.4) | 251.5 (240.9‐268.0) | <.001 |
| Gender, n% | <.001 | ||||
| Male | 7695 (33.3) | 8437 (36.5) | 9587 (41.4) | 10312 (44.6) | |
| Female | 15442 (66.7) | 14697 (63.5) | 13551 (58.6) | 12824 (55.4) | |
| Education level, n% | <.001 | ||||
| Less than high school | 15749 (68.1) | 15937 (68.9) | 16365 (70.7) | 16920 (73.1) | |
| High school or above | 7388 (31.9) | 7197 (31.1) | 6773 (29.3) | 6216 (26.9) | |
| Marital status, n% | .015 | ||||
| Married | 20849 (90.1) | 21002 (90.8) | 21028 (90.9) | 21006 (90.8) | |
| Other | 2288 (9.9) | 2132 (9.2) | 2110 (9.1) | 2130 (9.2) | |
| Annual household income, n% | <.001 | ||||
| <50,000 yuan | 12987 (56.1) | 12734 (55.0) | 12593 (54.4) | 12260 (53.0) | |
| >50,000 yuan | 10150 (43.9) | 10400 (45.0) | 10545 (45.6) | 10876 (47.0) | |
| Farmer, n% | <.001 | ||||
| No | 19981 (86.4) | 20397 (88.2) | 20494 (88.6) | 20644 (89.2) | |
| Yes | 3156 (13.6) | 2737 (11.8) | 2644 (11.4) | 2492 (10.8) | |
| Having medical insurance, n% | .042 | ||||
| No | 1556 (6.7) | 1637 (7.1) | 1559 (6.7) | 1483 (6.4) | |
| Yes | 21581 (93.3) | 21497 (92.9) | 21579 (93.3) | 21653 (93.6) | |
| Smoking, n% | <.001 | ||||
| No | 19393 (83.8) | 19573 (84.6) | 19171 (82.9) | 18620 (80.5) | |
| Yes | 3744 (16.2) | 3561 (15.4) | 3967 (17.1) | 4516 (19.5) | |
| Alcohol drinking, n% | <.001 | ||||
| No | 22079 (95.4) | 22073 (95.4) | 21856 (94.5) | 21657 (93.6) | |
| Yes | 1058 (4.6) | 1061 (4.6) | 1282 (5.5) | 1479 (6.4) | |
| Diabetes, n% | <.001 | ||||
| No | 22436 (97.0) | 21767 (94.1) | 20818 (90.0) | 18491 (79.9) | |
| Yes | 701 (3.0) | 1367 (5.9) | 2320 (10.0) | 4645 (20.1) | |
| Dyslipidemia, n% | <.001 | ||||
| No | 20456 (88.4) | 19855 (85.8) | 19350 (83.6) | 18675 (80.7) | |
| Yes | 2681 (11.6) | 3279 (14.2) | 3788 (16.4) | 4461 (19.3) | |
| History of CVD, n% | <.001 | ||||
| No | 22968 (99.3) | 22923 (99.1) | 22893 (98.9) | 22859 (98.8) | |
| Yes | 169 (0.7) | 211 (0.9) | 245 (1.1) | 277 (1.2) | |
| Hypertension, n% | <.001 | ||||
| No | 17974 (77.7) | 15764 (68.1) | 13567 (58.6) | 10843 (46.9) | |
| Yes | 5163 (22.3) | 7370 (31.9) | 9571 (41.4) | 12293 (53.1) |
Note: Data are presented as medians (inter quartile range) or number (%).
Abbreviations: BMI, body mass index; CVD, cardiovascular disease.; DBP, diastolic blood pressure; FBG, fasting blood glucose; HDL‐C, high‐density lipoprotein cholesterol; LDL‐C, low‐density lipoprotein cholesterol;Q, quartiles; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride; TyG, triglyceride glucose; TyG‐BMI, triglyceride glucose‐body mass index; WC, waist circumference.