Table 1

Characteristics of AF cohort, 2009–2015

Entire cohort<$40 000$40–$59 000$60–$74 000$75–$99 000≥$100 000
No. of individuals 336 736129 84562 83334 68541 24668 127
Demographics
 Age, years (mean (SD))72.7 (11.9)77.2 (9.3)73.5 (11.1)71.4 (11.8)69.6 (12.3)66 (12.8)
 Women149 865 (44.5)73 896 (56.9)26 426 (42.1)13 421 (38.7)14 963 (36.3)21 159 (31.1)
Race
White 277 964 (82.6)101 939 (78.5)51 418 (81.8)28 913 (83.4)35 210 (85.4)60 484 (88.8)
 Black28 286 (8.4)15 262 (11.8)5532 (8.8)2617 (7.6)2414 (5.9)2461 (3.6)
 Asian6976 (2.1)1954 (1.5)1155 (1.8)780 (2.3)1015 (2.5)2072 (3)
 Hispanic23 510 (7.0)10 690 (8.2)4728 (7.5)2375 (6.9)2607 (6.3)3110 (4.6)
Education
 <High School103 579 (30.8)61 581 (47.4)20 952 (33.4)8894 (25.6)7648 (18.5)4504 (6.6)
 <Bachelor’s degree188 007 (55.8)64 051 (49.3)37 173 (59.2)22 184 (64)27 102 (65.7)37 497 (55.0)
>Bachelor’s degree45 150 (13.4)4213 (3.2)4708 (7.5)3607 (10.4)6496 (15.8)26 126 (38.4)
Comorbidities
 CHA2DS2-VASc (mean (SD))4.1 (2.0)4.7 (1.8)4.2 (1.9)3.8 (2.0)3.6 (2.0)3.0 (2.0)
 Hypertension275 630 (82.8)113 145 (87.9)52 605 (84.6)28 262 (82.5)32 538 (80.0)49 080 (73.3)
 Diabetes176 929 (34.9)75 342 (38.6)34 336 (36.9)18 176 (35.4)20 502 (33.0)28 573 (27.1)
 Prior CHD148 841 (44.2)62 204 (47.9)29 159 (46.4)15 446 (44.5)17 346 (42.1)24 686 (36.2)
 Prior HF110 242 (32.7)50 549 (38.9)21 176 (33.7)10 746 (31)11 773 (28.5)15 998 (23.5)
 Prior stroke88 607 (26.3)39 746 (30.6)17 273 (27.5)8717 (25.1)9763 (23.7)13 108 (19.2)
 COPD116 482 (34.6)52 986 (40.8)22 572 (35.9)11 416 (32.9)12 573 (30.5)16 935 (24.9)
 CKD70 388 (20.9)33 176 (25.6)13 862 (22.1)6867 (19.8)7326 (17.8)9157 (13.4)
Oral anticoagulant use86 702 (25.8)31 182 (24.0)16 210 (25.8)9274 (26.8)11 277 (27.3)18 759 (27.5)
  • Values correspond to N (percentage) unless otherwise stated.

  • AF, atrial fibrillation; CHA2DS2-VASc, congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke/transient ischaemic attack, vascular disease, age 65–75 years and sex category.; CHD, coronary heart disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; HF, heart failure.