TyG index | 2008–2011 KNHANES | ||||
---|---|---|---|---|---|
T1 | T2 | T3 | Total | p for trend | |
6.45–8.19 | 8.20–8.71 | 8.72–11.29 | |||
Unweighted number | 5229 | 5235 | 5277 | 15,741 | |
Male sex,n(%) | 1520 (29.1) | 2193 (41.9) | 2933 (55.6) | 6641 (42.2) | < 0.001 |
Age, years | 38.3 ± 0.3a | 44.3 ± 0.3b | 47.7 ± 0.3c | 43.4 ± 0.2 | < 0.001 |
Waist circumference, cm | 75.2 ± 0.2a | 80.2 ± 0.2b | 85.5 ± 0.2c | 80.3 ± 0.1 | < 0.001 |
Body weight, kg | 59.1 ± 0.2a | 63.4 ± 0.2b | 68.2 ± 0.2c | 63.6 ± 0.1 | < 0.001 |
Mean blood pressure, mmHg | 85.4 ± 0.2a | 90.3 ± 0.3b | 94.5 ± 0.3c | 90.1 ± 0.2 | < 0.001 |
Leukocyte count (*1000/μL) | 5.6 ± 0.0a | 6.0 ± 0.0b | 6.6 ± 0.0c | 6.1 ± 0.0 | < 0.001 |
Glucose, mg/dL | 88.0 ± 0.1a | 92.2 ± 0.2b | 96.9 ± 0.2c | 92.3 ± 0.1 | < 0.001 |
Log-transformed Triglyceride, mg/dL | 4.0 ± 0.0a | 4.6 ± 0.0b | 5.3 ± 0.0c | 4.7 ± 0.0 | < 0.001 |
Employment status, % (SE) | 63.6 (0.9)a | 62.9 (1.0)a | 68.1 (0.9)c | 64.8 (0.6) | < 0.001 |
Heavy alcohol use, % (SE) | 5.2 (0.5)a | 7.5 (0.5)b | 13.8 (0.7)c | 8.8 (0.3) | < 0.001 |
Current smoker, % (SE) | 18.5 (0.8)a | 25.3 (0.9)b | 38.0 (1.0)c | 27.0 (0.6) | < 0.001 |
Regular exercise, % (SE) | 25.5 (0.8)a | 25.4 (0.8)a | 24.0 (0.8)a | 25.0 (0.5) | 0.307 |
Daily calorie intake, kcal/day | 1982.3 ± 16.5a | 2010.0 ± 17.3a | 2125.7 ± 20.1c | 2039.3 ± 11.1 | < 0.001 |
Daily protein intake, % of total calorie intake | 14.6 ± 0.1a | 14.4 ± 0.1a | 14.2 ± 0.1b | 14.4 ± 0.1 | 0.001 |
SMI | |||||
Men | 1.006 ± 0.004a | 0.963 ± 0.004b | 0.921 ± 0.003c | 0.963 ± 0.002 | < 0.001 |
Women | 0.666 ± 0.002a | 0.629 ± 0.002b | 0.596 ± 0.002c | 0.631 ± 0.002 | < 0.001 |
Number of components of metabolic syndrome | < 0.001 | ||||
0 | 56.3 (0.9)a | 30.9 (0.9)b | 3.4 (0.4)c | 30.6 (0.5) | |
1 | 33.0 (0.8)a | 39.5 (0.9)b | 15.4 (0.7)c | 29.3 (0.5) | |
2 | 8.4 (0.5)a | 20.0 (0.7)b | 29.8 (0.9)c | 19.2 (0.4) | |
3 | 2.0 (0.2)a | 8.3 (0.4)b | 28.9 (0.9)c | 12.9 (0.4) | |
4 | 0.2 (0.1)a | 1.3 (0.2)b | 17.8 (0.6)c | 6.3 (0.2) | |
5 | – | – | 4.8 (0.3) | 1.6 (0.1) | |
Number of chronic diseases, % (SE) | < 0.001 | ||||
0 | 95.6 (0.4)a | 93.1 (0.4)b | 92.1 (0.5)b | 93.5 (0.3) | |
1 | 4.0 (0.3)a | 6.2 (0.4)b | 7.2 (0.4)b | 5.8 (0.2) | |
≥ 2 | 0.4 (0.1)a | 0.7 (0.1)b | 0.7 (0.1)b | 0.6 (0.1) |