CVD (N = 2148)

No CVD (N = 3512)

P value

Age, mean ± SD

58.3 ± 0.4

42.5 ± 0.3

<0.001

Sex, n (%)

Male

Female

1049 (48.4)

1099 (51.6)

1658 (47.7)

1854 (52.3)

0.6667

Race, n (%)

African American

White

Other

554 (25.8)

731(34.0)

863 (40.1)

638 (18.2)

1106 (31.5)

1768 (50.3)

<0.001

Income, n (%)

<20,000 USD

>20,000 USD

512 (16.1)

1481 (83.9)

497 (9.6)

2754 (90.4)

<0.001

BMI (kg/m²), mean ± SD

31.6 ± 0.2

28.3 ± 0.1

BMI, n (%)

Underweight

Normal

Overweight

Obesity

14 (0.8)

305 (14.3)

666 (32.0)

1041 (52.9)

61 (1.7)

960 (29.3)

1209 (36.6)

1096 (32.4)

<0.001

Hours of sleep, mean ± SD

7.60 ± 0.05

7.70 ± 0.03

0.5258

Sleep categories, n (%)

≤6 hours

>6 to <9 h

≥9 hours

378 (21.2)

903 (62.7)

312 (16.1)

524 (16.5)

1624 (70.7)

391 (12.8)

0.007

Sleep disturbances, n (%)

817 (41.4)

702 (23.9)

<0.001

CVD conditions, n (%)

Angina

Congestive heart failure

Coronary heart disease

Myocardial infarction

Hypertension

205 (7.1)

235 (8.3)

130 (4.6)

235 (8.3)

2035 (71.7)

Co-morbidities

Diabetes, n (%)

690 (26.8)

266 (5.9)

<0.001

Stroke, n (%)

154 (6.2)

48 (0.9)

<0.001

Depression, n (%)

509 (25.0)

665 (21.8)

<0.001