Table 1.
Median and interquartile ranges [25th, 75th] of spatially weighted calcium scores (SWCS) and corresponding number (%) of positive coronary artery calcification Agatston scores (CAC-AS) overall and by participant characteristic at baseline exam 1 (2000–2002).
| n | SWCS | CAC-AS ≥ 1 | |
|---|---|---|---|
|
| |||
| Overall | 6,206 | 6.3 [0.7, 58.2] | 3,080 (49.6) |
| Age (Years) | |||
| <55 | 1,758 | 1.5 [0.3, 7.1] | 429 (24.4) |
| 55–64 | 1,716 | 4.4 [0.6, 31.7] | 759 (44.2) |
| ≥65 | 2,732 | 30.2 [2.9, 162.4] | 1,892 (69.3) |
| Sex (%) | |||
| Female | 3,284 | 2.9 [0.4, 23.8] | 1,302 (39.6) |
| Male | 2,922 | 17.1 [2, 117.9] | 1,778 (60.8) |
| Race and Ethnicity (%) | |||
| White | 2,375 | 8.8 [0.7, 102.3] | 1,349 (56.8) |
| Black | 1,706 | 5.6 [0.8, 36.2] | 741 (43.4) |
| Hispanic/Latino | 1,360 | 6 [1.4, 45] | 609 (44.8) |
| Chinese | 765 | 3.1 [0.3, 45.9] | 381 (49.8) |
| Study Site (%) | |||
| Salem, NC | 960 | 2.1 [0.1, 50] | 489 (50.9) |
| New York, NY | 994 | 6.7 [1.3, 35.7] | 412 (41.4) |
| Baltimore, MD | 955 | 10.2 [1.3, 89.3] | 532 (55.7) |
| St. Paul, MN | 972 | 5.7 [1.6, 76.4] | 496 (51) |
| Chicago, IL | 1,112 | 6.2 [0.5, 52.4] | 534 (48) |
| Los Angeles, CA | 1,213 | 8.7 [0.8, 56.8] | 617 (50.9) |
| Education (%) | |||
| High School or Less | 2,226 | 8.1 [1.2, 65.9] | 1,169 (52.5) |
| Some College | 1,450 | 6.5 [0.8, 57.8] | 702 (48.4) |
| College Degree or More | 2,530 | 4.8 [0.5, 49.7] | 1,209 (47.8) |
| Smoking Status (%) | |||
| Never | 3,165 | 4.3 [0.5, 37.4] | 1,400 (44.2) |
| Former | 2,248 | 12.1 [1.3, 92.4] | 1,296 (57.7) |
| Current | 793 | 4.7 [0.7, 51.9] | 384 (48.4) |
| Pack-Years | |||
| 0 | 3,250 | 4.3 [0.5, 37.1] | 1,431 (44) |
| 1 – 10 | 1,084 | 5.8 [0.9, 52.5] | 515 (47.5) |
| 11 – 20 | 604 | 8.9 [1, 63.7] | 322 (53.3) |
| >20 | 1,268 | 18.3 [1.5, 141.8] | 812 (64) |
| BMI (kg/ | |||
| BMI < 25 | 1,810 | 2.2 [0.2, 51.2] | 862 (47.6) |
| 25 ≤ BMI < 30 | 2,432 | 5.6 [0.8, 62.2] | 1,252 (51.5) |
| BMI ≥ 30 | 1,964 | 11.3 [2.3, 58.8] | 966 (49.2) |
| Physical Activity (MET-hours/week) | |||
| ≤34 | 1,625 | 9 [0.9, 62.9] | 846 (52.1) |
| 35–69 | 1,563 | 6.9 [0.7, 65.5] | 816 (52.2) |
| 70–139 | 1,691 | 6.1 [0.7, 60.4] | 830 (49.1) |
| ≥140 | 1,327 | 4.5 [0.6, 37] | 588 (44.3) |
| LDL-cholesterol (mg/dL) | |||
| <100 | 1,794 | 5.6 [0.6, 60] | 865 (48.2) |
| 100–129 | 2,414 | 6.5 [0.7, 56.3] | 1,183 (49) |
| 130–159 | 1,435 | 6.3 [0.8, 58.6] | 725 (50.5) |
| ≥160 | 563 | 7.3 [1.1, 62.2] | 307 (54.5) |
| HDL-cholesterol (mg/dL) | |||
| <50 | 3,238 | 10 [1.3, 71.2] | 1,750 (54) |
| 50–69 | 2,287 | 4.5 [0.5, 43.3] | 1,047 (45.8) |
| 70–99 | 625 | 2 [0.2, 31.5] | 256 (41) |
| ≥100 | 56 | 3.8 [0.3, 51.6] | 27 (48.2) |
| eGFR (mL/min/1.73 m2) | |||
| <45 | 55 | 81.5 [20, 230.6] | 44 (80) |
| 45–59 | 140 | 55.8 [4.9, 293.2] | 107 (76.4) |
| 60–89 | 1,739 | 23.1 [2.6, 134.8] | 1,141 (65.6) |
| >90 | 4,272 | 3.6 [0.5, 30.1] | 1,788 (41.9) |
| Diabetes Mellitus (%) | |||
| Normal | 4,602 | 4.3 [0.5, 43.3] | 2,124 (46.2) |
| IFG | 849 | 12.6 [1.9, 84.1] | 483 (56.9) |
| DM | 755 | 22.1 [3.4, 151.6] | 473 (62.6) |
| Hypertension (%) | |||
| No | 3,415 | 3 [0.4, 27.2] | 1,398 (40.9) |
| Yes | 2,791 | 17.2 [1.9, 110.5] | 1,682 (60.3) |
| BP Medications (%) | |||
| No | 3,897 | 3.6 [0.5, 32.6] | 1,681 (43.1) |
| Yes | 2,309 | 18.1 [2, 113.7] | 1,399 (60.6) |
| Lipid Medications (%) | |||
| No | 5,186 | 5 [0.6, 45.8] | 2,400 (46.3) |
| Yes | 1,020 | 23 [2, 144.7] | 680 (66.7) |
| PM2.5 (μg/m3) | |||
| ≤12 | 913 | 6.1 [1.6, 83.3] | 473 (51.8) |
| 13–15 | 264 | 5.5 [0.6, 45.6] | 125 (47.3) |
| 16–20 | 3,707 | 6.3 [0.6, 57.4] | 1,820 (49.1) |
| >20 | 1,063 | 8.7 [0.8, 57.2] | 547 (51.5) |