Table 2. Predictors of 1-Year Hospital Days for End-Stage Renal Disease Patients on Hemodialysis1.
| Predictor Variables | Linear Regression Estimates | ||||||
|---|---|---|---|---|---|---|---|
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| Specific Variable | Full Model of Variables | ||||||
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| Variable | Type | t-value | P-value | Additional Variables in Model2 | F-value | P-value | R-square |
| Not Living with Own Family | Psychosocial (Social Environment) | 2.67 | 0.009 | Age, Sex, Race, Albumin | 2.61 | 0.03 | 0.119 |
| Lower Energy/Fatigue3 | Psychosocial (HRQOL Physical) | 2.09 | 0.04 | Age, Sex, Race, Albumin | 2.02 | 0.08 | 0.095 |
| More Pain3 | Psychosocial (HRQOL Physical) | 2.06 | 0.04 | Age, Sex, Race, Albumin | 1.99 | 0.09 | 0.094 |
1
N=103.
2
In each of the separate linear regressions with 1-year hospital days as the dependent variable, the full model of independent variables included the specific variable in the first column plus the control variables listed below in this column.
3
Kidney Disease Quality of Life Short Form (KDQOL-SF). Scale=0-100.
NOTE: HRQOL is health-related quality of life.
SOURCE: Parkerson, G.R. Jr., and Gutman, R.A., Duke University Medical Center, Durham, North Carolina, 1998.