Table I.
Sample characteristics by age group
| Characteristic | Adults ≤ 49 years old (n = 34) |
Adults 50–64 years old (n = 33) |
Adults ≥ 65 years old (n = 32) |
|---|---|---|---|
| Age, mean years (SD), range | 41.1 (8.8) | 57.6 (4.5) | 71.1 (6.7) |
| 20 – 49 | 50 – 64 | 65 – 85 | |
| Female | 21 (61.8) | 14 (42.4) | 17 (53.1) |
| Race/ethnicity* | |||
| African American or black | 28 (82.4) | 30 (90.9) | 18 (56.3) |
| Caucasian or white | 6 (17.6) | 3 (9.1) | 14 (43.8) |
| Educational level | |||
| Less than high school | 5 (14.7) | 8 (24.2) | 7 (21.9) |
| High school or equivalent | 21 (61.8) | 20 (60.6) | 16 (60.0) |
| At least some university/college | 8 (23.5) | 5 (15.2) | 9 (28.1) |
| Marital status | |||
| Currently married or with a partner |
7 (20.6) | 14 (42.4) | 14 (43.7) |
| Never married | 10 (29.4) | 3 (9.1) | 2 (6.3) |
| Widowed or separated | 14 (41.2) | 16 (48.5) | 16 (50.0) |
| Total gross annual income | |||
| < $20,000 | 19 (56.5) | 16 (49.4) | 18 (56.3) |
| $20,000-$49,999 | 12 (35.3) | 12 (36.4) | 8 (25.0) |
| $50,000 or higher | 2 (5.9) | 3 (9.1) | 6 (18.8) |
| Refused to answer | 1 (2.9) | 2 (6.1) | 0 |
| Religion | |||
| Protestant | 22 (64.7) | 23 (69.7) | 26 (81.3) |
| Other | 9 (26.4) | 7 (21.2) | 4 (12.6) |
| None | 3 (8.8) | 3 (9.1) | 2 (6.3) |
| Dialysis modality | |||
| Hemodialysis | 34 (100) | 31 (93.9) | 32 (100) |
| Peritoneal | 0 | 2 (3.0) | 0 |
| Years on dialysis, mean (SD) | 7.26 (6.50) | 4.46 (2.80) | 2.44 (2.21) |
| Comorbid conditions | |||
| Myocardial infarction | 10 (29.4) | 12 (36.4) | 10 (31.3) |
| Congestive heart failure | 20 (58.8) | 22 (66.7) | 19 (59.4) |
| Peripheral vascular disease | 14 (41.2) | 15 (45.5) | 8 (25.0) |
| CVA | 15 (44.1) | 13 (39.4) | 5 (15.6) |
| COPD | 10 (29.4) | 12 (36.4) | 12 (37.5) |
| Diabetes | 32 (94.1) | 28 (84.8) | 28 (87.5) |
| CCI score, mean (SD) | 7.6 (2.0) | 8.8 (2.0) | 8.8 (1.6) |
Numbers indicate n (%) unless indicated otherwise. Due to rounding, some of the percentages may not add up to 100.
*
p < 0.01.
CVA, cardiovascular accident; COPD, chronic obstructive pulmonary disease; CCI, Charlson comorbidity index.