Table 1.
Baseline characteristics of the study population
| Characteristic | Overall, N = 3364a |
|---|---|
| Age, years | 28.00 (19.00–37.00) |
| Sex | |
| Female | 1,587 (48.20) |
| Male | 1,777 (51.80) |
| Race | |
| Mexican American | 1,036 (10.10) |
| Non-Hispanic Black participants | 886 (12.02) |
| Non-Hispanic White participants | 1,168 (67.51) |
| Other Race | 274 (10.38) |
| BMI, kg/m2 | 25.69 ± 5.70 |
| Waist circumference, cm | 88.07 ± 14.64 |
| SBP, mmHg | 113.24 ± 11.76 |
| DBP, mmHg | 68.56 ± 10.43 |
| Physical activity | |
| level 0 | 302 (9.33) |
| level 1 | 529 (16.15) |
| level 2 | 669 (18.82) |
| level 3 | 1,107 (37.22) |
| level 4 | 118 (1.61) |
| level 5 | 208 (4.88) |
| level 6 | 431 (11.98) |
| Smoking status | |
| Never smoker | 2,271 (61.92) |
| Former smoker | 442 (14.99) |
| Current smoker | 651 (23.08) |
| Metabolic syndrome | 226 (9.07) |
| CRP, mg/dL | 0.10 (0.04–0.27) |
| Hb, g/dL | 14.59 ± 1.44 |
| Platelet count, 109 /L | 268.26 ± 61.41 |
| LDL, mmol/L | 2.81 ± 0.86 |
| HDL, mmol/L | 1.32 ± 0.36 |
| HbA1c, % | 5.15 ± 0.29 |
| FPG, mmol/L | 5.12 ± 0.45 |
| TG, mmol/L | 1.02 (0.72–1.49) |
| Vo2max, ml/kg/min | 40.89 ± 9.53 |
| Levels of CVF | |
| Low level | 924 (20.21) |
| Moderate level | 1,285 (35.48) |
| High level | 1,155 (44.30) |
| Impaired CVF | 2,209 (55.70) |
| TyG index | 8.36 ± 0.52 |
| Standardization of TyG index | 0.03 ± 0.16 |
aMedian (25%-75%); n (unweighted) (%); Mean ± SD
BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, CRP C-reactive protein, Hb Hemoglobin, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, HbA1c glycohemoglobin, FPG fasting plasma glucose, TG triglycerides, Vo2max maximal oxygen consumption, CVF cardiovascular fitness, TyG index triglyceride-glucose index