Table 2. Results of the Final Mixed-Effects Location-Scale Model.
| 95% Credible Interval | ||||
|---|---|---|---|---|
| Location Model | Posterior Mean | Posterior SD | Lower | Upper |
| Fixed Intercept | 4.37 | 0.14 | 4.11 | 4.62 |
| Day of Weara | ||||
| Day 2 | –0.03 | 0.04 | –0.11 | 0.04 |
| Day 3 | –0.05 | 0.04 | –0.12 | 0.02 |
| Day 4 | –0.06 | 0.04 | –0.13 | 0.01 |
| Day 5 | 0.01 | 0.04 | –0.07 | 0.08 |
| Day 6 | –0.03 | 0.04 | –0.10 | 0.04 |
| Day 7 | –0.19 | 0.05 | –0.29 | –0.09 |
| Age (0 = 70) | –0.01 | 0.01 | –0.03 | 0.01 |
| Years of Education (0 = 16) | 0.01 | 0.02 | –0.02 | 0.05 |
| Woman | 0.18 | 0.14 | –0.09 | 0.44 |
| VO2max (0 = 1.50) | 0.26 | 0.10 | 0.07 | 0.46 |
| Mild Alzheimer's Status | –0.23 | 0.11 | –0.45 | –0.02 |
| Scale Model for the Residual Variance | ||||
| Residual Variance Fixed Intercept | 0.19 | 0.12 | –0.02 | 0.44 |
| Day of Weara | ||||
| Day 2 | 0.16 | 0.05 | 0.06 | 0.26 |
| Day 3 | 0.14 | 0.05 | 0.04 | 0.23 |
| Day 4 | 0.08 | 0.05 | –0.02 | 0.19 |
| Day 5 | 0.12 | 0.05 | 0.01 | 0.23 |
| Day 6 | –0.01 | 0.05 | –0.10 | 0.09 |
| Day 7 | 0.39 | 0.07 | 0.25 | 0.54 |
| Age (0 = 70) | 0.01 | 0.01 | –0.01 | 0.02 |
| Years of Education (0 = 16) | –0.02 | 0.02 | –0.06 | 0.01 |
| Woman | –0.28 | 0.12 | –0.54 | –0.10 |
| Mild Alzheimer's Status | 0.01 | 0.11 | –0.21 | 0.22 |
| Variance Components | ||||
| Location-Model Random Intercept | 0.26 | 0.05 | 0.18 | 0.37 |
| Location-Scale Random Intercept Correlation | –0.15 | 0.04 | –0.23 | –0.09 |
| Scale-Model Random Intercept | 0.26 | 0.05 | 0.19 | 0.38 |
aReference day was study day 1.
Note. Statistically significant effects are presented in boldface. DIC = 25,396.46. Age was centered at 70, years of education was centered at 16 (i.e., a college graduate), and cardiorespiratory capacity (VO2max) was centered at 1.50 mL/(kg·min).