Table 2. General linear mixed models estimates for Total Mini Mental State Examination (MMSE) score as a function of baseline life-space assessment (LSA) over a 5-year period, N=432.
| Predictor variables | Model 1 Estimate (SE) | p-value | Model 2 Estimate (SE) | p-value |
|---|---|---|---|---|
| LSA category | ||||
| Intercept | 23.91 (3.19) | < .0001 | 25.87 (3.35) | < .0001 |
| Time | -1.48 (0.26) | < .0001 | -1.36 (0.25) | < .0001 |
| Main effect | ||||
| I (0 to 20) | Reference | Reference | ||
| II (21 to 40) | 0.99 (0.49) | .0422 | 0.37 (0.52) | .4824 |
| III (41 to 60) | 1.09 (0.50) | .0295 | -0.04 (0.56) | .9427 |
| IV (≥61) | 1.27 (0.53) | .0181 | -0.14 (0.61) | .8202 |
| Interaction with time | ||||
| I (0 to 20)*Time | Reference | Reference | ||
| II (21 to40)*Time | 0.59 (0.29) | .0436 | 0.56 (0.28) | .0471 |
| III (41 to 60)* Time | 0.65 (0.29) | .0236 | 0.85 (0.28) | .0026 |
| IV (≥61) * Time | 1.01 (0.30) | .0007 | 1.03 (0.29) | .0004 |
| LSA (continuous score) | ||||
| Intercept | 23.49 (3.22) | < .0001 | 25.81 (3.38) | < .0001 |
| Time | -1.44 (0.20) | < .0001 | -1.26 (0.19) | < .0001 |
| LSA - Main effect | 0.01 (0.01) | .0468 | -0.01 (0.01) | .4163 |
| LSA interaction with time | 0.01 (0.004) | .0005 | 0.01 (0.003) | .0002 |
Model 1: Adjusted for time, age, gender, marital status, education
Model 2: Adjusted for type of housing, living arrangement, social support, financial strain, medical conditions, depressive symptoms, activities of daily living, and Short Physical Performance Battery along with variables in Model 1