|  | Age | Income | Medication duration | Dialysis duration |
---|---|---|---|---|---|
Age | r | 1 | Â | Â | Â |
Income | r | 0.228** | 1 | Â | Â |
 | P | 0.001 |  |  |  |
Medication duration | r | 0.115 | -0.021 | 1 | Â |
 | P | 0.084 | 0.760 |  |  |
Dialysis duration | r | 0.011 | -0.113 | 0.498** | 1 |
 | P | 0.872 | 0.098 | < 0.001 |  |
Medication adherence | r | -0.107 | 0.176* | -0.250** | -0.061 |
 | P | 0.116 | 0.010 | < 0.001 | 0.375 |