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Table 1 Baseline characteristics of the study participants according to the TG/HDL-C ratio groups

From: Positive association between the ratio of triglycerides to high-density lipoprotein cholesterol and diabetes incidence in Korean adults

Men T1 (< 1.681) T2 (1.681– < 2.951) T3 (≥ 2.951) p value
Number of subjects 15,692 15,675 15,679 NA
TG/HDL-C 1.17  ±  0.32 2.25  ±  0.36 4.84  ±  1.99 <  0.001
Age, yr 56.5  ±  7.8 55.8  ±  7.5 55.0  ±  7.1 <  0.001
BMI, kg/m2 22.7  ±  2.6 23.8  ±  2.6 24.6  ±  2.5 <  0.001
SBP, mmHg 122.9  ±  14.5 124.6  ±  14.3 126.0  ±  14.2 <  0.001
Fasting glucose, mg/dL 94.2  ±  11.1 95.4  ±  11.2 96.4  ±  11.5 <  0.001
Total cholesterol, mg/dL 186.6  ±  29.4 191.4  ±  30.7 195.3  ±  31.8 <  0.001
TG, mg/dL 71.3  ±  22.4 115.2  ±  24.9 205.6  ±  71.2 <  0.001
HDL-C, mg/dL 64.4  ±  38.8 51.4  ±  9.3 43.8  ±  8.6 <  0.001
ALT, IU/L 23.4  ±  17.4 25.4  ±  16.5 29.2  ±  19.9 <  0.001
Hypertension, N (%) 2086 (13.2) 2534 (16.2) 2618 (16.7) <  0.001
Family history of diabetes, N (%) 832 (5.3) 906 (5.8) 1036 (6.6) <  0.001
Ever-smokers, N (%) 9308 (59.3) 9981 (63.7) 10,728 (68.4) <  0.001
Alcohol consumption, N (%)     <  0.001
 Rare 5450 (34.7) 5584 (35.6) 5318 (33.9)  
 Sometimes 6500 (41.4) 6553 (41.8) 6799 (43.4)  
 Regular 3742 (23.8) 3538 (22.6) 3562 (22.7)  
Physical activity, N (%)     <  0.001
 Rare 3288 (21.0) 3186 (20.3) 3302 (21.1)  
 Sometimes 6903 (44.0) 7513 (47.9) 7751 (49.4)  
 Regular 5501 (35.1) 4976 (31.7) 4626 (29.5)  
Household income, N (%)     <  0.001
 Low 2301 (14.7) 2224 (14.2) 2064 (13.2)  
 Middle 4790 (30.5) 4609 (29.4) 4585 (29.2)  
 High 8601 (54.8) 8842 (56.4) 9030 (57.6)  
Women T1 (< 1.278) T2 (1.278– < 2.142) T3 (≥ 2.142) p value
Number of subjects 11,227 11,207 11,213 NA
TG/HDL-C 0.92  ±  0.24 1.67  ±  0.25 3.54  ±  1.58 <  0.001
Age, yr 54.5  ±  6.8 56.3  ±  7.7 58.3  ±  8.4 <  0.001
BMI, kg/m2 22.7  ±  2.7 23.4  ±  2.9 24.1  ±  2.9 <  0.001
SBP, mmHg 118.2  ±  14.6 120.6  ±  15.1 123.6  ±  15.6 <  0.001
Fasting glucose, mg/dL 91.1  ±  10.0 92.2  ±  10.1 93.2  ±  10.5 <  0.001
Total cholesterol, mg/dL 193.2  ±  29.9 194.9  ±  30.2 198.8  ±  31.3 <  0.001
TG, mg/dL 60.9  ±  19.8 94.3  ±  19.1 163.5  ±  58.4 <  0.001
HDL-C, mg/dL 70.8  ±  47.7 56.8  ±  9.7 47.9  ±  9.1 <  0.001
ALT, IU/L 19.4  ±  19.7 20.2  ±  14.8 21.9  ±  14.8 <  0.001
Hypertension, N (%) 1288 (11.5) 1769 (15.8) 2299 (20.5) <  0.001
Family history of diabetes, N (%) 912 (8.1) 861 (7.7) 815 (7.3) 0.056
Ever-smokers, N (%) 194 (1.7) 207 (1.8) 238 (2.1) 0.085
Alcohol consumption, N (%)     <  0.001
 Rare 8979 (80.0) 9484 (84.6) 9736 (86.8)  
 Sometimes 1905 (17.0) 1429 (12.8) 1255 (11.2)  
 Regular 343 (3.1) 294 (2.6) 222 (2.0)  
Physical activity, N (%)     <  0.001
 Rare 3020 (26.9) 3382 (30.2) 3602 (32.1)  
 Sometimes 4914 (43.8) 4736 (42.3) 4723 (42.1)  
 Regular 3293 (29.3) 3089 (27.6) 2888 (25.8)  
Household income, N (%)     0.080
 Low 2906 (25.9) 2839 (25.3) 2797 (24.9)  
 Middle 3925 (35.0) 4021 (35.9) 4125 (36.8)  
 High 4396 (39.2) 4347 (38.8) 4291 (38.3)  
  1. Values are presented as n (%) or mean  ±  standard deviation
  2. SBP systolic blood pressure; BMI body mass index; TG triglyceride; HDL-C HDL cholesterol; TG/HDL-C ratio the ratio of TG to HDL-C; ALT alanine aminotransferase