Correlation analysis between NPCS (Gets), HADS, SPPB and EQ-5D-5L and demographics in the total sample (n=30)
| Healthcare | Personal care | Rehabilitation | Social/ family support | Environment | |
| τ | τ | τ | τ | τ | |
| Age | 0.27 | 0.10 | 0.15 | 0.01 | −0.21 |
| Kidney disease (0=no, 1=yes) | 0.27 | −0.10 | −0.16 | −0.17 | −0.24 |
| High blood pressure (0=no, 1=yes) | 0.27 | 0.21 | 0.04 | −0.14 | 0.17 |
| BMI | 0.09 | 0.15 | −0.21 | −0.13 | 0.18 |
| HADS anxiety | −0.20 | 0.10 | 0.16 | −0.03 | −0.11 |
| HADS depression | −0.21 | 0.14 | 0.04 | 0.05 | −0.14 |
| SPPB total score | −0.20 | −0.34* | −0.09 | −0.24 | −0.05 |
| EQ-5D-5L mobility | 0.28 | 0.07 | −0.12 | 0.03 | −0.14 |
| EQ-5D-5L self-care | 0.14 | 0.47** | 0.14 | 0.21 | 0.22 |
| EQ-5D-5L usual activity | 0.41* | 0.21 | 0.02 | 0.12 | −0.17 |
| EQ-5D-5L pain/discomfort | 0.21 | −0.03 | −0.28 | 0.01 | −0.11 |
| EQ-5D-5L anxiety/depression | −0.08 | 0.25 | 0.08 | 0.09 | −0.10 |
Correlation calculated with Kendall’s tau beta correlation coefficient (τ). Bootstrapping with 1000 samples.
*p<0.05; **p<0.01.
HADS, Hospital Anxiety and Depression Scale; NPCS, Needs and Provision Complexity Scale; SPPB, Short Physical Performance Battery.