Table 1. Baseline characteristics by FLI score in the cohort random sample.
| Low FLI (<20) | Intermediate FLI (20–60) | High FLI (>60) | p* | FLI ≥90th Percentile (≥91.4) | p † | |
|---|---|---|---|---|---|---|
| Participants | 19% | 36% | 44% | |||
| Age, mean (SD) | 64.5 (11) | 66.1 (9) | 64.0 (8) | 0.11 | 61 (8) | <0.001 |
| Women | 73% | 53% | 49% | <0.001 | 56% | 0.85 |
| Black | 35% | 38% | 46% | 0.05 | 47% | 0.34 |
| Stroke belt | 36% | 38% | 30% | 0.39 | 33% | 0.78 |
| BMI, mean (SD) | 23.1 (2.5) | 27.2 (3.0) | 33.7 (5.6) | <0.001 | 40.0 (6.4) | <0.001 |
| Waist (cm), mean (SD) | 78 (8) | 91 (7) | 107 (12) | <0.001 | 119 (12) | <0.001 |
| SBP (mmHg), mean (SD) | 121 (15) | 126 (16) | 131 (17) | <0.001 | 131 (16) | 0.04 |
| Current smoking | 13% | 11% | 15% | 0.43 | 15% | 0.66 |
| Hypertension | 37% | 55% | 68% | <0.001 | 75% | 0.002 |
| Dyslipidemia | 37% | 60% | 69% | <0.001 | 64% | 0.24 |
| CVD | 12% | 16% | 18% | 0.25 | 12% | 0.26 |
| Diabetes | 8% | 14% | 34% | <0.001 | 40% | <0.001 |
| Atrial fibrillation | 10% | 7% | 10% | 0.51 | 4% | 0.06 |
| LVH | 2% | 8% | 10% | 0.003 | 10% | 0.43 |
| Alcohol drinks/wk, mean (SD) | 3.9 (15.8) | 2.6 (7.9) | 1.7 (4.0) | 0.15 | 1.0 (3.3) | 0.006 |
| Statin use | 23% | 34% | 35% | 0.04 | 32% | 0.86 |
BMI: body mass index, SBP: systolic blood pressure, CVD: cardiovascular disease, LVH: left ventricular hypertrophy
* p values for differences between the groups, by Rao-Scott χ2 statistic (categorical variables) or linear regression (continuous variables)
† p values for ≥90th percentile compared with all others, by Rao-Scott χ2 statistic (categorical variables) or linear regression (continuous variables)