Table 2.
Baseline dialysis patient characteristics, overall and by tertile of overall functional social support score
| Baseline Characteristic | n | All | Tertile of Functional Support Score |
|||
|---|---|---|---|---|---|---|
| Low | Middle | High | Pa | |||
| Range of overall functional support score | – | 0.0 to 100.0 | 0.0 to 72.4 | 73.6 to 92.1 | 92.2 to 100.0 | – |
| Demographic | ||||||
| age (years; mean ± SD) | 949 | 57.7 ± 14.8 | 58.2 ± 14.5 | 57.4 ± 15.0 | 57.5 ± 14.9 | 0.76 |
| male gender (%) | 949 | 54.1 | 58.9 | 48.2 | 55.0 | 0.03 |
| white race (%) | 949 | 66.9 | 62.0 | 67.4 | 71.3 | 0.04 |
| graduated high school (%) | 942 | 70.7 | 71.9 | 70.1 | 70.1 | 0.85 |
| employed (%) | 949 | 13.7 | 13.0 | 11.8 | 16.3 | 0.24 |
| married (%) | 948 | 56.2 | 42.1 | 56.9 | 69.6 | <0.001 |
| Clinical | ||||||
| ICED (% score of 3) | 948 | 29.5 | 25.6 | 26.5 | 36.4 | 0.01 |
| BMI (mean ± SD) | 884 | 27.2 ± 6.8 | 27.4 ± 6.8 | 26.6 ± 6.9 | 27.6 ± 6.6 | 0.14 |
| HD (%) | 949 | 75.2 | 80.1 | 75.1 | 70.6 | 0.02 |
| late evaluation (% <4 months from first nephrologist visit to dialysis) | 790 | 30.1 | 31.8 | 33.5 | 25.4 | 0.10 |
| Laboratory | ||||||
| albumin (g/dl; mean ± SD) | 927 | 3.63 ± 0.38 | 3.65 ± 0.37 | 3.62 ± 0.35 | 3.62 ± 0.40 | 0.37 |
| creatinine (mg/dl; mean ± SD) | 927 | 7.29 ± 2.59 | 7.40 ± 2.51 | 7.24 ± 2.69 | 7.21 ± 2.58 | 0.63 |
| hemoglobin (g/dl; mean ± SD) | 920 | 10.8 ± 1.3 | 10.8 ± 1.3 | 10.7 ± 1.2 | 10.8 ± 1.4 | 0.81 |
| Satisfaction and HRQOL | ||||||
| definite recommendation (%) | 884 | 81.8 | 74.1 | 85.2 | 86.1 | <0.001 |
| excellent overall care (%) | 884 | 65.7 | 56.7 | 68.4 | 72.0 | <0.001 |
| MCS score (mean ± SD) | 843 | 46.6 ± 11.6 | 44.3 ± 11.7 | 45.9 ± 11.2 | 49.4 ± 11.3 | <0.001 |
| PCS score (mean ± SD) | 843 | 32.7 ± 10.0 | 32.5 ± 9.4 | 32.1 ± 10.0 | 33.5 ± 10.5 | 0.21 |
ICED, Index of Coexistent Disease.
a
By ANOVA (continuous variables) or χ2 test (categorical variables) across tertile of functional social support score.