Table 1 Baseline characteristics according to the TyG index quartiles
Characteristics | Quartiles of TyG index | P value | ||||
|---|---|---|---|---|---|---|
overall | Q1(6.80–8.56) | Q2(8.56–8.96) | Q3(8.96–9.40) | Q4(9.40-12.55) | ||
N(%) | 1072 | 268(25.00) | 267(24.90) | 269(25.10) | 268(25.00) | |
Age, years, mean(SD) | 66.54(0.45) | 69.03(0.74) | 66.89(0.83) | 67.09(0.81) | 63.49(0.86) | <0.001 |
Gender, n(%) | ||||||
Male | 436(40.78) | 104(43.45) | 108(42.98) | 113(40.67) | 111(36.38) | 0.53 |
Female | 636(59.22) | 164(56.55) | 159(57.02) | 156(59.33) | 157(63.62) | |
BMI, kg/m2, n(%) | <0.001 | |||||
<24 | 119(10.93) | 48(19.17) | 30(11.91) | 23( 7.91) | 18( 5.95) | |
≥24 | 953(89.07) | 220(80.83) | 237(88.09) | 246(92.09) | 250(94.05) | |
Race, n(%) | 0.002 | |||||
Black | 218(11.88) | 83(18.95) | 53(11.90) | 43( 8.84) | 39( 8.92) | |
Mexican | 126( 4.83) | 18(3.08) | 30(4.66) | 33(4.51) | 45(6.81) | |
White | 590(74.22) | 132(67.29) | 142(71.72) | 165(80.88) | 151(75.92) | |
Other | 138( 9.07) | 35(10.68) | 42(11.72) | 28( 5.76) | 33( 8.35) | |
Education, n(%) | 0.48 | |||||
High school grad or equivalent | 275(28.83) | 62(25.48) | 65(28.50) | 76(29.15) | 72(31.71) | |
Less than high school | 363(24.97) | 79(22.68) | 88(23.27) | 90(25.53) | 106(28.08) | |
Some college or above | 434(46.20) | 127(51.84) | 114(48.24) | 103(45.31) | 90(40.21) | |
Alcohol, n(%) | 0.70 | |||||
Former | 344(30.12) | 85(28.23) | 86(30.26) | 86(29.61) | 87(32.12) | |
Heavy | 105( 9.27) | 21( 7.88) | 30(11.77) | 23( 6.78) | 31(10.41) | |
Mild | 365(39.04) | 101(39.71) | 88(37.73) | 90(41.26) | 86(37.57) | |
Moderate | 85( 7.39) | 22(10.43) | 20( 6.72) | 16( 5.08) | 27( 7.85) | |
Never | 173(14.17) | 39(13.75) | 43(13.51) | 54(17.27) | 37(12.05) | |
Smoking status, n(%) | 0.52 | |||||
Former | 434(42.60) | 109(42.28) | 103(42.82) | 111(40.44) | 111(44.82) | |
Never | 446(39.11) | 122(44.39) | 110(35.84) | 110(41.33) | 104(35.69) | |
Now | 192(18.30) | 37(13.32) | 54(21.34) | 48(18.23) | 53(19.49) | |
Family poverty income ratio, mean (SD) | 2.54(0.06) | 2.50(0.13) | 2.46(0.14) | 2.60(0.12) | 2.61(0.14) | 0.86 |
Hypertension, n(%) | 0.80 | |||||
No | 181(17.34) | 38(14.73) | 54(19.07) | 41(17.22) | 48(17.92) | |
Yes | 891(82.66) | 230(85.27) | 213(80.93) | 228(82.78) | 220(82.08) | |
COPD, n(%) | 0.17 | |||||
No | 941(86.90) | 235(87.84) | 228(83.20) | 231(84.57) | 247(92.23) | |
Yes | 131(13.10) | 33(12.16) | 39(16.80) | 38(15.43) | 21( 7.77) | |
DM, n(%) | 744(66.16) | 161(55.56) | 168(57.13) | 189(66.52) | 226(84.09) | <0.001 |
Pre-DM, n(%) | 328(33.84) | 107(44.44) | 99(42.87) | 80(33.48) | 42(15.91) | <0.001 |