Table 1.
Framingham Heart Study Offspring Study Participant Characteristics
| Variable | No AF* (n=2185) |
Prevalent AF (n=153) |
Incident AF (n=107) |
|---|---|---|---|
| Age, y | 65.6 ± 8.7 | 72.7± 8.2 | 71.6 ± 8.5 |
| Men, n (%) | 932 (43) | 93 (61) | 60 (56) |
| Body mass index, kg/m2 | 28.2 ± 5.4 | 29.5± 5.2 | 28.8 ± 5.4 |
| Systolic blood pressure, mm Hg | 128 ± 17 | 129 ± 20 | 135 ± 17 |
| Diastolic blood pressure, mm Hg | 73 ± 10 | 70 ± 10 | 71 ± 10 |
| Current smoking, n (%) | 192 (8.8) | 6 (3.9) | 10 (9.4) |
| Prevalent myocardial infarction, n (%) | 70 (3.2) | 33 (22) | 6 (5.6) |
| Prevalent heart failure, n (%) | 21 (1.0) | 33 (22) | 5 (4.7) |
| Prevalent diabetes mellitus, n (%) | 273 (13) | 38 (25) | 21 (20) |
| Antihypertensive treatment, n (%) | 995 (46) | 103 (68) | 72 (68) |
| Aspirin, n (%) | 537 (25) | 34 (22) | 33 (31) |
| Warfarin, n (%) | 24 (1) | 83 (54) | 2 (2) |
| Beta-blocker, n (%) | 497 (23) | 117 (76) | 48 (45) |
| Digoxin, n (%) | 12 (1) | 32 (21) | 2 (2) |
| Calcium-channel blocker, n (%) | 296 (14) | 40 (26) | 26 (24) |
Data are presented as means standard deviation or number (percentage). AF = atrial fibrillation. Values reported were measured at enrollment.
*
No AF indicates absence of diagnosed AF at baseline or in follow-up