Table 2.
Baseline demographics of study patients
| Characteristic | Control (n=16) | Intervention (n=19) |
|---|---|---|
| Age (yr), mean (SD) | 68 (14) | 69 (11) |
| Sex, n (%) | ||
| Female | 8 (50) | 11 (58) |
| Male | 8 (50) | 8 (42) |
| Race, n (%) | ||
| American Indian or Alaska Native | 0 (0.0) | 1 (5) |
| Asian | 0 (0.0) | 1 (5) |
| Black or African American | 6 (38) | 4 (21) |
| White | 10 (63) | 13 (68) |
| Ethnicity, n (%) | ||
| Hispanic/Latino | 0 (0) | 3 (16) |
| Non-Hispanic or Latino | 16 (100) | 16 (84) |
| Education, n (%) | ||
| Less than high school | 1 (7) | 0 (0) |
| High school/GED | 3 (21) | 9 (47) |
| College | 5 (36) | 4 (21) |
| Graduate/professional degree | 5 (36) | 6 (32) |
| Comorbidities, n (%) | ||
| Cancer (history of or in remission) | 3 (19) | 1 (5) |
| Congestive heart failure | 1 (6) | 0 (0) |
| Coronary artery disease | 3 (19) | 2 (11) |
| Diabetes | 5 (31) | 10 (53) |
| Liver disease | 1 (6) | 0 (0) |
| None of the above | 0 (0) | 3 (16) |
| Other | 3 (19) | 3 (16) |
| Charlson Comorbidity Index, mean (SD) | 6 (2) | 5 (2) |
| Karnofsky Performance Score, mean (SD) | 66 (26) | 78 (19) |
| GFR (ml/min per 1.73 m2), mean (SD) | 11 (2) | 11 (5) |
| Cause of kidney failure, n (%) | ||
| Diabetes | 4 (25) | 4 (21) |
| Glomerular disease | 2 (13) | 0 (0) |
| Hypertension | 5 (31) | 10 (53) |
| Other | 5 (31) | 5 (26) |
| Albumin (g/dl), mean (SD) | 3.8 (0.40) | 3.9 (0.4) |
| Hemoglobin (g/dl), mean (SD) | 9.5 (1.90) | 10.0 (1.6) |
| Lives alone, n (%) | 7 (50) | 8 (42) |
| Presence of a health care proxy, n (%) | 11 (79) | 11 (58) |
| Presence of advance care planning documents, n (%) | 5 (36) | 4 (21) |
GED, General Education Development Test.