Table 1 Participant characteristics: patients undergoing hemodialysis in a single center in Baltimore (n = 146)

Age (years), median [IQR]

61 [53, 70]

Women

46.6

African American race

84.3

Post-secondary education

25.4

Currently employed

8.9

Marital status

 Married/cohabitating

34.7

 Single

28.5

 Separated/divorced

18.8

 Widowed

18.1

Lives with children

30.8

History of smoking

21.2

BMI, median [IQR]

26.7 [23.0, 33.5]

No. comorbidities, median [IQR]

3 [2,4]

 Hypertension

89.0

 Diabetes

65.8

 Peripheral vascular disease

30.1

 Congestive heart failure

39.0

 Myocardial infarction

16.4

 Angina pectoris

4.8

 COPD

19.2

 History of cancer

18.5

 Rheumatoid arthritis

6.9

Number of ADLs, median [IQR]

0 [0, 1]

Time on dialysis (years), median [IQR]

3.6 [1.4, 6.4]