Table 1.
Baseline Characteristics of Participants
| Characteristics | Mean±SD or N (%) | Characteristics | Mean±SD or N (%) |
|---|---|---|---|
| All participants | 5644 | LDL cholesterol, mg/dL | 117.3±31 |
| Males | 2662 (47.2) | HDL cholesterol, mg/dL | 51±14.7 |
| Age, y | 61.7±10.2 | Lipid‐lowering medication | 909 (16.1) |
| Race | Diabetes mellitus | ||
| White | 2232 (39.5) | Normal | 4209 (74.8) |
| Black | 1529 (27.1) | Impaired fasting glucose | 764 (13.6) |
| Hispanic | 1207 (21.4) | Untreated diabetes mellitus | 146 (2.6) |
| Chinese | 676 (12) | Treated diabetes mellitus | 508 (9) |
| Highest education level | Smoking status | ||
| 25th percentile | Completed high school/GED | Never smoker | 2868 (51) |
| Median | Some college but no degree | Former smoker | 2068 (36.7) |
| 75th percentile | Bachelor's degree | Current smoker | 694 (12.3) |
| Household income | Creatinine, mg/dL | 0.95±0.25 | |
| 25th percentile | $20 000 to $24 999 | Heart rate (beats per minute) | 63±9.6 |
| Median | $40 000 to $49 999 | CAC score=0 | 2923 (51.8) |
| 75th percentile | $50 000 to $74 999 | CAC score >0 to 100 | 1481 (26.2) |
| BMI, kg/m2 | 28.3±5.4 | CAC score >100 | 1240 (22) |
| SBP, mm Hg | 125.7±21 | CAC score (Agatston Unit) in participants with CAC >0 | 270.6±506 |
| DBP, mm Hg | 71.8±10.2 | ||
| Blood pressure medication | 2023 (35.9%) | Interscan period, yr | 2.4±0.9 |
These figures are numbers (%) and mean±SD. CAC indicates coronary artery calcium; DBP, diastolic blood pressure; GED, general education development; HDL, high‐density lipoprotein; LDL, low‐density lipoprotein; SBP, systolic blood pressure.