Table 1. Characteristics of the study sample.
| No atrial fibrillation or flutter (N=13,061) | Atrial fibrillation or flutter (N=80) | Total (N=13141) | |
|---|---|---|---|
| Age (years; mean ± SD) | 55.0 [49.0 - 62.0] | 64.5 [57.0 - 73.2] | 55.0 [49.0 - 62.0] |
| Female sex (N (%)) | 7117 (54.5%) | 30 (37.5%) | 7147 (54.4%) |
| Race (N (%)) | |||
| White | 6750 (52.3%) | 46 (60.5%) | 6796 (52.3%) |
| Brown | 3625 (28.1%) | 21 (27.6%) | 3646 (28.1%) |
| Black | 2071 (16.0%) | 9 (11.8%) | 2080 (16.0%) |
| Other | 471 (3.6%) | 0 (0.0%) | 471 (3.6%) |
| Educational level (N (%)) | |||
| Incomplete high school | 1472 (11.3%) | 13 (16.2%) | 1485 (11.3%) |
| High school | 4110 (31.5%) | 25 (31.2%) | 4135 (31.5%) |
| College or above | 7476 (57.3%) | 42 (52.5%) | 7518 (57.2%) |
| Monthly family income (N (%)) | |||
| < 6 BMW | 2816 (21.7%) | 16 (20.0%) | 2832 (21.6%) |
| 6 to 15 BMW | 6112 (47.0%) | 29 (36.2%) | 6141 (46.9%) |
| > 15 BMW | 4073 (31.3%) | 35 (43.8%) | 4108 (31.4%) |
| Use of antihypertensive medication (N (%)) | 5800 (44.4%) | 61 (76.2%) | 5861 (44.6%) |
| Use of hypoglycemic medication (N (%)) | 2577 (20.9%) | 30 (39.5%) | 2607 (21.0%) |
| Use of lipid-lowering medication (N (%)) | 6658 (51.0%) | 37 (46.2%) | 6695 (51.0%) |
| ICVH metrics (N (%)) | |||
| Diet | 177 (1.4%) | 0 (0.0%) | 177 (1.3%) |
| Physical activity | 3488 (26.7%) | 15 (18.8%) | 3503 (26.7%) |
| Body-mass index | 4229 (32.4%) | 27 (33.8%) | 4256 (32.4%) |
| Smoking | 11474 (87.8%) | 74 (92.5%) | 11548 (87.9%) |
| Blood pressure | 4499 (34.4%) | 7 (8.8%) | 4506 (34.3%) |
| Fasting plasma glucose | 5927 (45.4%) | 23 (28.7%) | 5950 (45.3%) |
| Total cholesterol | 5213 (39.9%) | 38 (47.5%) | 5251 (40.0%) |
| ICVH score (mean ± SD) | |||
| Global | 3.0 [2.0 - 4.0] | 2.0 [1.0 - 3.0] | 3.0 [2.0 - 4.0] |
| Lifestyle | 1.0 [1.0 - 2.0] | 1.0 [1.0 - 2.0] | 1.0 [1.0 - 2.0] |
| Health | 1.0 [0.0 - 2.0] | 1.0 [0.0 - 1.0] | 1.0 [0.0 - 2.0] |
BMW: Brazilian minimum wage; one Brazilian minimum wage during data collection averaged approximately 310 US dollars. ICVH: Ideal cardiovascular health. Source: The authors.