Table 5.
Multiple Regression analyses on ICECAP-O and EQ-5D scores
| Dependant variable: ICECAP-O scores | Dependant variable: EQ-5D-3 L scores | |||||||
|---|---|---|---|---|---|---|---|---|
| Explanatory variable | B | Std. Error | 95% CI of B | p-value | B | Std. Error | 95% CI of B | p-value |
| Gender | 0.059 | 0.043 | −0.028; 0.146 | 0.179 | 0.058 | 0.051 | −0.044; 0.160 | 0.260 |
| Proxy status | 0.112 | 0.104 | −0.095; 0.319 | 0.282 | −0.305 | 0.117 | −0.539; − 0.071 | 0.011 |
| MMSE | 0.004 | 0.005 | −0.006; 0.014 | 0.386 | −0.008 | 0.006 | −0.019; 0.004 | 0.200 |
| Does the participant live independently? | 0.035 | 0.058 | −0.081; 0.151 | 0.549 | 0.009 | 0.068 | −0.127; 0.145 | 0.897 |
| Age | −0.005 | 0.002 | −0.010; 0.000 | 0.042 | 0.006 | 0.003 | 0.000; 0.011 | 0.048 |
| EQ5D Utility | 0.414 | 0.088 | 0.240; 0.589 | 0.000 | – | – | – | – |
| ICECAP-O utility | – | – | – | – | 0.571 | 0.121 | 0.330; 0.812 | 0.000 |
| Constant | 0.576 | 0.257 | 0.063; 1.088 | 0.028 | −0.164 | 0.311 | −0.784; 0.457 | 0.601 |
| R2 | 0.362 | 0.360 | ||||||
| Adjusted R2 | 0.270 | 0.307 | ||||||
| Number of observations | 79 | 79 | ||||||
| Residual degrees of freedom | 72 | 72 | ||||||
B unstandardized regression coefficient, Description of variables: Age – continuous variable, Gender; reference level - males, Proxy status reference level, = self-completed, Does the participant live independently, reference level = No, MMSE = continuous variable, EQ-5D utility = continuous variable, ICECAP-O utility = continuous variable