Table 1.
Variance inflation factors (VIFs) measure the amount of multicollinearity in the regression models.
| Independent Variables in the Regression Models | VIF | |
|---|---|---|
| Gender | 1.254 | |
| Age | 2.777 | |
| Place of residence | 1.411 | |
| Civil status | 1.342 | |
| Education | 1.890 | |
| Professional activity | 3.479 | |
| Time since transplant | 1.442 | |
| Comorbidities | Diabetes | 1.185 |
| Hypercholesterolemia | 1.272 | |
| Hypertension | 1.328 | |
| Rheumatic diseases | 1.358 | |
| Other | 1.195 | |
| Blood concentration of tacrolimus < 5 mg or ciclosporin < 100 mg | 2.007 | |
| AIS (total score) | 1.980 | |
| HADS | Anxiety | 2.320 |
| Depression | 3.120 | |
| WHOQoL-BREF | Perception of quality of life | 1.550 |
| Perception of health | 1.652 | |
| Physical dimension | 3.186 | |
| Psychological dimension | 3.526 | |
| Social dimension | 2.349 | |
| Environmental dimension | 2.350 | |
| TFI (total score) | 1.798 | |
| MMSE | 1.447 | |
Abbreviations: VIF, variance inflation factor; AIS, Acceptance of Illness Scale; HADS, Hospital Anxiety and Depression Scale; WHOQoL-BREF, World Health Organization Quality of Life—Short Form; TFI, Tilburg Frailty Indicator; and MMSE, Mini-Mental State Examination.