Table 1. Characteristics of participants at the visit prior to atrial fibrillation diagnosis, Atherosclerosis Risk in Communities (ARIC) study from 1987 to 2006 and Cardiovascular Health Study (CHS) from 1989 to 2006.
| ARIC | CHS | ||
|---|---|---|---|
| N | 1222 | 756 | |
| Age, years, mean (SD) | 63.4 (6.2) | 79.1 (6.2) | |
| Women | 43.0% | 49.6% | |
| Race | Black | 18.9% | 2.8% |
| Smoking | Current | 23.3% | 8.7% |
| Smoking | Past | 44.5% | 47.1% |
| Smoking | Never | 32.2% | 44. 2% |
| Alcohol | No | 66.1% | 71.3% |
| Alcohol | Light to moderate | 26.9% | + |
| Alcohol | Heavy | 7% | + |
| BMI | Mean (SD) | 29.7 (6.1) | 26.1 (4.6) |
| BMI | Median | 28.5 | 25.7 |
| Diabetes | 25.8% | 27.0% | |
| Hypertension | 59.1% | 74.1% | |
| Myocardial infarction | 13.3% | 18.0% | |
| Heart failure | 12.4% | 16.9% | |
| Peripheral artery disease | 5.9% | 26.5% | |
| Aspirin use | 59.3% | 48.9% | |
+Medicare-enhanced data are not presented separately for light to moderate and heavy alcohol use due to a small sample size. Combined proportion is 28.6%. Data are presented as % of participants unless otherwise stated.