Table 2.
Characteristics of the participants according to the tertiles of the TyG index.
| Characteristic | Tertiles of TyG index |
|||
|---|---|---|---|---|
| T1 | T2 | T3 | p-value | |
| Age | 44.01 ± 17.08 | 49.03 ± 17.05 | 52.10 ± 15.36 | <0.0001 |
| Gender (%) | <0.0001 | |||
| Male | 41.51 | 50.17 | 55.81 | |
| Female | 58.49 | 49.83 | 44.19 | |
| Family RIP | 3.07 ± 1.65 | 2.98 ± 1.66 | 2.86 ± 1.62 | <0.0001 |
| Marital Status (%) | <0.0001 | |||
| Married | 51.70 | 55.08 | 59.55 | |
| Widowed | 3.80 | 5.91 | 6.91 | |
| Divorced | 9.11 | 11.25 | 11.85 | |
| Separated | 1.82 | 2.42 | 2.11 | |
| Never married | 23.53 | 16.79 | 12.27 | |
| Living with partner | 10.02 | 8.55 | 7.30 | |
| Race (%) | <0.0001 | |||
| Mexican American | 6.35 | 9.00 | 10.43 | |
| Other Hispanic | 5.46 | 6.26 | 6.48 | |
| Non-Hispanic White | 65.05 | 68.26 | 69.21 | |
| Non-Hispanic Black | 15.15 | 9.02 | 6.04 | |
| Other Races | 7.99 | 7.47 | 7.84 | |
| Education (%) | <0.0001 | |||
| Less Than 9th Grade | 3.28 | 4.88 | 6.65 | |
| 9-11th Grade (Includes 12th grade with no diploma) | 8.07 | 10.25 | 12.15 | |
| High School Grad/GED or Equivalent | 19.92 | 23.73 | 24.76 | |
| Some College or AA degree | 31.91 | 31.11 | 31.91 | |
| College Graduate or above | 36.83 | 30.04 | 24.54 | |
| Alcohol | 5.12 ± 22.80 | 3.56 ± 6.78 | 4.45 ± 34.23 | 0.0795 |
| BMI | 26.82 ± 6.50 | 29.37 ± 6.93 | 31.77 ± 6.74 | <0.0001 |
| Waist circumference | 92.61 ± 15.40 | 100.48 ± 16.02 | 107.55 ± 15.21 | <0.0001 |
| Asthma (%) | 0.9403 | |||
| Yes | 15.00 | 15.29 | 15.13 | |
| No | 85.00 | 84.71 | 84.87 | |
| Arthrolithiasis (%) | <0.0001 | |||
| Yes | 2.35 | 3.41 | 6.97 | |
| No | 97.65 | 96.59 | 93.03 | |
| Chronic heart failure (%) | <0.0001 | |||
| Yes | 1.65 | 2.02 | 4.35 | |
| No | 98.35 | 97.98 | 95.65 | |
| CHD (%) | <0.0001 | |||
| Yes | 2.46 | 3.21 | 5.40 | |
| No | 97.54 | 96.79 | 94.60 | |
| Angina pectoris (%) | <0.0001 | |||
| Yes | 1.26 | 2.13 | 3.74 | |
| No | 98.74 | 97.87 | 96.26 | |
| Stroke (%) | 0.0047 | |||
| Yes | 2.19 | 3.26 | 3.29 | |
| No | 97.81 | 96.74 | 96.71 | |
| COPD (%) | <0.0001 | |||
| Yes | 3.67 | 6.40 | 7.91 | |
| No | 96.33 | 93.60 | 92.09 | |
| Cancer (%) | <0.0001 | |||
| Yes | 8.50 | 10.57 | 12.18 | |
| No | 91.50 | 89.43 | 87.82 | |
| Pulmonary emphysema (%) | 0.0073 | |||
| Yes | 1.32 | 2.05 | 2.25 | |
| No | 98.68 | 97.95 | 97.75 | |
| Diabetes (%) | <0.0001 | |||
| Yes | 2.86 | 6.87 | 22.13 | |
| No | 95.67 | 90.44 | 74.64 | |
| Borderline | 1.47 | 2.69 | 3.23 | |
| Hypertensive (%) | <0.0001 | |||
| Yes | 22.57 | 33.51 | 46.45 | |
| No | 77.43 | 66.49 | 53.55 | |
| LDL-C | 2.65 ± 0.77 | 3.05 ± 0.87 | 3.13 ± 1.02 | <0.0001 |
| HDL-C | 1.63 ± 0.46 | 1.41 ± 0.37 | 1.16 ± 0.31 | <0.0001 |
| Insulin | 51.84 ± 48.13 | 75.31 ± 76.50 | 116.41 ± 140.72 | <0.0001 |
| Depression | 2.77 ± 3.91 | 2.99 ± 4.08 | 3.62 ± 4.74 | <0.0001 |
Mean + SD for continuous variables: the P value was calculated by the weighted linear regression model; (%) for categorical variables: the P value was calculated by the weighted chi-square test.
Abbreviations: RIP, ratio of family income to poverty; BMI, body mass index; HDL, high-density lipoprotein; LDL, low-density lipoprotein; TyG index, triglyceride glucose index; COPD, chronic obstructive pulmonary disease; CHD, coronary heart disease.