Table 1.
Baseline Characteristics of Participants in the Subcohort and Ischemic Stroke Cases
| Characteristics | Subcohort (n=3203) | Ischemic Stroke Cases (n=1755) |
|---|---|---|
| Age at enrollment, y | 56.3 (50.7–64.2) | 58.9 (51.0–64.6) |
| Sex, % (No.) | ||
| Male | 54.0 (1731) | 61.9 (1087) |
| Female | 46.0 (1472) | 38.1 (668) |
| Education, % (No.) | ||
| <7 y | 32.9 (1053) | 41.0 (719) |
| 8 to 10 y | 45.0 (1440) | 42.6 (747) |
| >10 y | 22.2 (710) | 16.5 (289) |
| Body mass index, kg/m2 | 25.7 (20.6–33.4) | 26.3 (21.0–34.9) |
| Waist circumference, cm | 90.0 (69.5–111.0) | 93.0 (72.0–116.0) |
| Smoking status, % (No.) | ||
| Noncurrent smoker | 63.9 (2047) | 50.5 (887) |
| Current <15 g/d | 13.6 (436) | 15.4 (271) |
| Current ≥15 g/d | 22.5 (720) | 34.0 (597) |
| Physical activity, h/wk | 2.5 (0.0–10.5) | 2.0 (0.0–11.0) |
| Alcohol intake, g/d | 13.7 (0.8–65.4) | 15.0 (0.5–79.4) |
| Abstains from alcohol, % (No.) | ||
| Yes | 2.1 (68) | 3.0 (52) |
| No | 97.9 (3135) | 97.0 (1703) |
| Hypercholesterolemia, % (No.) | ||
| Yes | 7.9 (253) | 10.8 (190) |
| No | 49.4 (1581) | 48.4 (850) |
| Unknown | 42.7 (1369) | 40.8 (715) |
| Hypertension, % (No.) | ||
| Yes | 15.7 (502) | 28.8 (505) |
| No | 71.7 (2297) | 57.7 (1012) |
| Unknown | 12.6 (404) | 13.6 (238) |
| Diabetes mellitus, % (No.) | ||
| Yes | 2.0 (65) | 4.3 (76) |
| No | 92.9 (2974) | 89.6 (1572) |
| Unknown | 5.1 (164) | 6.1 (107) |
| Atrial fibrillation/atrial flutter, % (No.) | ||
| Yes | 0.9 (30) | 1.4 (24) |
| No | 99.1 (3173) | 98.6 (1731) |
Values are expressed as medians (5th–95th percentile) unless otherwise indicated.