Table 1.
Baseline study characteristics (N=286)
| Characteristic | Value |
|---|---|
| Age (yr) | 64 (56, 73) |
| Men | 161 (56) |
| Race (African American) | 114 (40) |
| Educationa | |
| Less than high school | 41 (14) |
| High school equivalent | 91 (32) |
| More than high school | 153 (54) |
| Income ($/yr) | |
| <30,000 | 145 (51) |
| ≥30,000 | 90 (31) |
| Unknown | 51 (18) |
| Married/living with partner | 138 (48) |
| Employed | 31 (11) |
| Time on dialysis (yr) | 2.2 (0.9, 4.3) |
| Dialysis schedule (Monday/Wednesday/Friday) | 186 (65) |
| Dialysis access | |
| Catheter | 57 (20) |
| Arteriovenous fistula or graft | 229 (80) |
| Charlson Comorbidity Index scorea | |
| 1–2 | 66 (23) |
| 3–4 | 109 (38) |
| ≥5 | 110 (39) |
| Diabetes | 147 (52) |
| Peripheral vascular disease | 35 (12) |
| Laboratory values | |
| Hemoglobin (g/dl) | 11.6 (10.9, 12.3) |
| Albumin (g/dl) | 3.8 (3.5, 4.1) |
| Calcium (mg/dl) | 8.9 (8.5, 9.3) |
| Phosphorous (mg/dl) | 5.0 (4.3, 6.0) |
| Intact parathyroid hormone (pg/ml) | 252 (168, 390) |
| Kt/V | 1.5 (1.4, 1.6) |
Continuous variables are presented as the median (interquartile range) and categorical variables as the n (%).
a
Totals do not sum to 286 due to missing data from one patient.