Table 3.
Factors Associated With Caregiver Reports of IWDs’ Values and Preferences in Daily Care Over Time
| Model 1 | Model 2 | Model 3 | ||||
| B | SE | B | SE | B | SE | |
| Fixed effects | ||||||
| Intercept (initial status), γ00 | 89.47*** | 0.89 | 89.29*** | 0.89 | 81.11*** | 5.19 |
| Time (change over months), γ10 | −0.23*** | 0.04 | −0.22*** | 0.04 | −0.22*** | 0.04 |
| QoL_resid (within-person), γ20 | – | – | 2.70 | 2.05 | 4.04* | 1.98 |
| Predictors of the intercept | ||||||
| QoL_mean (between-person) | – | – | – | – | 3.38† | 1.79 |
| Spouse | – | – | – | – | −3.40* | 1.54 |
| Baseline decision-making involvement of IWDs | – | – | – | – | 7.54*** | 1.04 |
| Baseline best interests | – | – | – | – | 10.00** | 3.73 |
| Baseline IWD self report of Importance of Values and Preferences | – | – | – | – | 0.22** | 0.08 |
| Random effects | ||||||
| Variance intercept, | 93.66*** | 16.57 | 92.18*** | 16.47 | 41.38*** | 11.75 |
| Variance in change over time, | 0.05** | 0.02 | 0.06** | 0.02 | 0.06** | 0.02 |
| Covariance intercept, change over time, | 1.18** | 0.45 | 1.16** | 0.45 | 1.26*** | 0.38 |
| Residual variance, | 76.70*** | 7.68 | 74.84*** | 7.60 | 73.10*** | 7.38 |
| −2LL | 3922.7 | 3873.4 | 3700.1 | |||
| AIC | 3930.7 | 3881.4 | 3708.1 | |||
Notes: N = 198 caregivers. Model based on up to five occasions of measurement nested within 198 participants. AIC = Akaike Information Criterion; IWDs = individuals with dementia; −2LL = −2 log likelihood, relative model fit statistics.
*p < .05. **p < .01. ***p < .001. † p = .05.