Table 2 The baseline characteristics of the study subjects categorized by TyG-BMI index
Characteristics | TyG-BMI | P | ||||
|---|---|---|---|---|---|---|
Overall(N = 921) | Q1(N = 230) | Q2(N = 230) | Q3(N = 230) | Q4(N = 231) | ||
Age, years | 102(101,104) | 102(101,104) | 102(101,104) | 102(101,104) | 102(101,104) | 0.286 |
Follow-up time, months | 29.70 (14.50,52.60) | 26.10 (14.05,41.88) | 28.65 (12.65,48.85) | 30.95 (14.72,55.65) | 38.90 (17.40,59.60) | 0.001 |
Body mass index, kg/m2 | 18.09 (16.12,20.00) | 14.81 (13.44,15.72) | 17.23 (16.56,17.86) | 18.90 (18.25,19.71) | 21.36 (20.23,23.00) | <0.001 |
Waistline, cm | 75.00 (69.00,80.00) | 71.00 (66.00,76.00) | 73.00 (67.00,78.00) | 76.00 (71.00,80.00) | 80.00 (76.00,86.00) | <0.001 |
Female, % | 751 (81.5%) | 204 (88.7%) | 192 (83.5%) | 178(77.4%) | 177(76.6%) | 0.002 |
Ethnicity | ||||||
Han, % | 812 (88.2%) | 193 (83.9%) | 207 (90.0%) | 207(90.0%) | 205(88.7%) | 0.136 |
Other, % | 109(11.8%) | 37 (16.1%) | 23 (10.0%) | 23 (10.0%) | 26(11.3%) | |
Marital status | ||||||
Married, % | 90 (9.8%) | 20(8.7%) | 24 (10.4%) | 24 (10.4%) | 22(9.5%) | 0.908 |
Separation/Divorce/Widowhood, % | 831 (90.2%) | 210(91.3%) | 206(89.6%) | 206(89.6%) | 209(90.5%) | |
Education | ||||||
Illiterate, % | 840 (91.2%) | 219 (95.2%) | 209 (90.9%) | 204 (88.7%) | 208(90.0%) | 0.166 |
Elementary school, % | 62 (6.7%) | 10(4.3%) | 16(7.0%) | 20 (8.7%) | 16 (6.9%) | |
Junior high school and above, % | 19 (2.1%) | 1(0.4%) | 5 (2.2%) | 6 (2.6%) | 7 (3.0%) | |
Smoking | ||||||
Never, % | 827 (89.8%) | 205 (89.1%) | 210 (91.3%) | 204(88.7%) | 208(90.0%) | 0.751 |
Smoking in the past or quit, % | 64 (6.9%) | 17(7.4%) | 14(6.1%) | 20 (8.7%) | 13 (5.6%) | |
Now, % | 30 (3.3%) | 8(3.5%) | 6(2.6%) | 6(2.6%) | 10(4.3%) | |
Alcohol use | ||||||
Never, % | 755 (82.0%) | 184 (80.0%) | 194 (84.3%) | 191 (83.0%) | 186(80.5%) | 0.917 |
Drinking in the past or quit, % | 72 (7.8%) | 20(8.7%) | 16(7.0%) | 17(7.4%) | 19 (8.2%) | |
Now, % | 94 (10.2%) | 26(11.3%) | 20(8.7%) | 22(9.6%) | 26(11.3%) | |
Hypertension, % | 680 (73.8%) | 165(71.7%) | 163 (70.9%) | 167 (72.6%) | 185 (80.1%) | 0.093 |
Diabetes mellitus, % | 89 (9.7%) | 11(4.8%) | 25 (10.9%) | 24 (10.4%) | 29 (12.6%) | 0.029 |
Coronary heart disease, % | 36 (3.9%) | 10(4.3%) | 8(3.5%) | 8(3.5%) | 10 (4.3%) | 0.929 |
TG, mmol/ L | 1.04 (0.80,1.40) | 0.85 (0.67, 1.08) | 0.93 (0.77,1.23) | 1.11 (0.86,1.43) | 1.40 (1.08,1.83) | <0.001 |
TC, mmol/L | 4.58 (4.02,5.28) | 4.36 (3.73,5.01) | 4.62 (3.98,5.30) | 4.58 (4.11,5.31) | 4.75 (4.24,5.42) | <0.001 |
HDL-C, mmol/L | 1.39 (1.17,1.66) | 1.48 (1.25,1.76) | 1.44 (1.19, 1.79) | 1.38 (1.17,1.62) | 1.30 (1.04, 1.54) | <0.001 |
LDL-C, mmol/L | 2.72 (2.28,3.26) | 2.45 (2.07,2.95) | 2.78 (2.32,3.20) | 2.73 (2.29,3.32) | 2.90 (2.46,3.42) | <0.001 |
Glucose, mmol/L | 4.83 (4.21,5.75) | 4.62 (4.10,5.32) | 4.61 (4.00, 5.64) | 4.86 (4.24,5.79) | 5.18 (4.50,6.14) | <0.001 |
Death, % | 852(92.5%) | 222(96.5%) | 210(91.3%) | 213(92.6%) | 207(89.6%) | 0.035 |