Demographic and clinical characteristics of the study participants by incident atrial fibrillation (AF) status
| Characteristic | No AF | AF | p Value |
|---|---|---|---|
| Age (years) | 62 (10) | 72 (11) | <0.0001 |
| Sex | <0.0001 | ||
| Female | 96.3 (2734) | 3.7 (106) | |
| Male | 94.0 (2517) | 6.0 (161) | |
| Race/ethnicity/ethnicity | <0.0001 | ||
| Caucasian | 93.0 (2030) | 7.0 (150) | |
| Chinese | 97.7 (716) | 2.3 (17) | |
| Black | 96.1 (1282) | 3.9 (52) | |
| Hispanic | 96.2 (1223) | 3.8 (48) | |
| Height (cm) | 166 (10) | 168 (11) | |
| Body Mass Index (kg/m2) | 28 (5) | 29 (5) | |
| Smoking | <0.005 | ||
| Never | 95.8 (2667) | 4.2 (118) | |
| Former | 93.9 (1902) | 6.1 (123) | |
| Current | 96.5 (669) | 3.5 (24) | |
| Systolic blood pressure (mm Hg) | 126 (21) | 137 (22) | <0.0001 |
| Diastolic blood pressure (mm Hg) | 72 (10) | 72 (11) | |
| Hypertension | <0.0001 | ||
| No | 97.2 (3005) | 2.8 (87) | |
| Yes | 99.5 (2246) | 7.4 (180) | |
| Drugs for hypertension | <0.0001 | ||
| No | 96.9 (3393) | 3.1 (111) | |
| Yes | 92.3 (1856) | 7.8 (156) | |
| Diabetes (treated) | |||
| No | 95.3 (4745) | 4.7 (232) | |
| Yes | 93.5 (502) | 6.5 (35) | |
| Ejection fraction (%) | 69 (7) | 69 (9) | |
| Left Ventricular Mass (g) | 145 (39) | 163 (47) | <0.0001 |
| NT-pro BNP (pg/mL) | 93 (225) | 271 (509) | <0.0001 |
Values presented as mean (SD) or percent with no AF or AF (count).
BNP, brain natriuretic peptide.