Table 4 Multiple regression models with person with dementia QoL outcomes as dependent variables. The model fit is reported for each model, and the contribution of disease severity (sMMSE) reported (ΔR2 and p-value). Individual variables beta coefficients (including 95% CIs) are also reported
| Coefficients | Model change | Model | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | Independent Variables | β | B | B Lower 95% CI | B Upper 95% CI | p | ΔR2 | p | Adjusted R2 | F | p |
|
DEMQOL (n = 177) | 0.02 | 0.06 | 0.04 | 2.19 | 0.05 | ||||||
| Gender: Male | −0.11 | −2.97 | −6.92 | 0.98 | 0.14 | ||||||
| Residential setting: Care home | −0.13 | −5.26 | −11.73 | 1.22 | 0.11 | ||||||
| Age | 0.15 | 0.24 | −0.01 | 0.49 | 0.06 | ||||||
| NPI | − 0.05 | −0.05 | −0.19 | 0.09 | 0.49 | ||||||
| Carer EQ-5D | 0.07 | 3.51 | −3.81 | 10.84 | 0.35 | ||||||
| sMMSE | −0.15 | −0.37 | −0.76 | 0.01 | 0.06 | ||||||
| EQ-5D (self) (n = 185) | 0.001 | 0.63 | 0.00 | 0.99 | 0.43 | ||||||
| Gender: Male | −0.03 | − 0.01 | − 0.08 | 0.06 | 0.75 | ||||||
| Residential setting: Care home | −0.01 | 0.00 | −0.12 | 0.11 | 0.95 | ||||||
| Age | 0.04 | 0.00 | 0.00 | 0.01 | 0.60 | ||||||
| NPI | −0.13 | 0.00 | 0.00 | 0.00 | 0.09 | ||||||
| Carer EQ-5D | 0.10 | 0.09 | −0.05 | 0.22 | 0.21 | ||||||
| sMMSE | −0.04 | 0.00 | −0.01 | 0.00 | 0.63 | ||||||
| CASP-19 (self) (n = 155) | < 0.001 | 0.89 | 0.03 | 1.63 | 0.14 | ||||||
| Gender: Male | −0.10 | −1.81 | −4.91 | 1.29 | 0.25 | ||||||
| Residential setting: Care home | −0.12 | −3.98 | −9.73 | 1.77 | 0.17 | ||||||
| Age | 0.21 | 0.25 | 0.05 | 0.45 | 0.02 | ||||||
| NPI | −0.10 | −0.07 | −0.20 | 0.06 | 0.27 | ||||||
| Carer EQ-5D | 0.02 | 0.61 | −5.26 | 6.47 | 0.84 | ||||||
| sMMSE | 0.01 | 0.02 | −0.29 | 0.34 | 0.89 | ||||||
| DEMQOL-Proxy (n = 284) | 0.06 | < 0.001 | 0.22 | 14.14 | < 0.001 | ||||||
| Gender: Male | 0.07 | 2.01 | −0.96 | 4.98 | 0.18 | ||||||
| Residential setting: Care home | −0.01 | −0.39 | −4.52 | 3.75 | 0.85 | ||||||
| Age | 0.00 | 0.01 | −0.17 | 0.19 | 0.95 | ||||||
| NPI | −0.43 | −0.39 | −0.49 | − 0.29 | 0.00 | ||||||
| Carer EQ-5D | 0.14 | 8.11 | 2.09 | 14.13 | 0.01 | ||||||
| sMMSE | −0.29 | −0.44 | −0.62 | − 0.26 | 0.00 | ||||||
| EQ-5D (proxy) (n = 276) | 0.04 | < 0.001 | 0.25 | 16.36 | < 0.001 | ||||||
| Gender: Male | 0.13 | 0.08 | 0.01 | 0.15 | 0.02 | ||||||
| Residential setting: Care home | −0.16 | −0.13 | −0.23 | −0.03 | 0.01 | ||||||
| Age | −0.13 | − 0.01 | −0.01 | 0.00 | 0.02 | ||||||
| NPI | −0.26 | −0.01 | −0.01 | 0.00 | 0.00 | ||||||
| Carer EQ-5D | 0.08 | 0.10 | −0.04 | 0.24 | 0.15 | ||||||
| sMMSE | 0.23 | 0.01 | 0.00 | 0.01 | 0.00 | ||||||