Simple linear regression results of key variables related to ESRD and the SF-36 item health survey
| Variables | B (Beta) coefficients | t-Value | p-Value | R Square (R²) | F-value |
|---|---|---|---|---|---|
| SP | 0.263 | 8.207 | < 0.001 | 0.398 | 67.35 |
| EKD | 0.184 | 5.418 | < 0.001 | 0.223 | 29.35 |
| BKD | 0.131 | 3.831 | < 0.001 | 0.126 | 14.67 |
| PCS | 0.192 | 3.593 | < 0.001 | 0.112 | 12.90 |
| MCS | 0.355 | 5.726 | < 0.001 | 0.243 | 32.79 |
| PF | 0.252 | 7.380 | < 0.001 | 0.348 | 54.46 |
| RP | 0.142 | 5.419 | < 0.001 | 0.224 | 29.36 |
| RE | 0.173 | 5.639 | < 0.001 | 0.238 | 31.79 |
| SF | 0.102 | 2.734 | 0.007 | 0.068 | 17.47 |
| BP | 0.167 | 4.912 | < 0.001 | 0.191 | 24.13 |
| EWB | 0.126 | 1.947 | 0.054 | 0.036 | 13.79 |
| EF | 0.175 | 3.582 | < 0.001 | 0.112 | 12.83 |
| GH | 0.216 | 5.250 | < 0.001 | 0.213 | 27.56 |
PF: physical functioning; RP: role physical; RE: role emotional; SF: social function; BP: bodily pain; EWB: emotional well-being; EF: energy and fatigue; GH: general health; SP: symptoms and problems; EKD: effects of kidney disease; BKD: burden of kidney disease; PCS: physical component summary; MCS: mental component summary; ESRD: end-stage renal disease