Table 2.
Raw Score Performance on Cognitive Measures.
| Baseline | Change from Baseline | Group x Time Interaction |
||||
|---|---|---|---|---|---|---|
| Measure (Raw Score Range) |
Stable M (SD) |
Declining M (SD) |
p-value (d) | Stable M (SD) |
Declining M (SD) |
P-value (ηp2) |
| MMSE (0−30) |
29.4 (0.8) | 28.9 (1.2) | .04 (.50) | −.14 (1.2) | −.11 (.85) | .92 (.000) |
| DRS−2 Attention (0−37) |
36.6 (0.6) | 36.4 (0.7) | .30 (.25) | −.12 (.77) | −.19 (.68) | .70 (.002) |
| DRS−2 Initiation/Perseveration (0−37) |
36.5 (1.5) | 36.5 (0.8) | .92 (.02) | −.27 (1.6) | .44 (2.0) | .09 (.037) |
| DRS−2 Construction (0−6) |
5.9 (0.2) | 6.0 (0.0) | .08 (.42) | −.04 (.28) | .00 (.00) | .47 (.007) |
| DRS−2 Conceptualization (0−39) |
37.2 (2.7) | 37.0 (2.0) | .74 (.08) | 1.4 (3.2) | 2.4 (2.4) | .17 (.025) |
| DRS−2 Memory (0−25) |
24.3 (1.0) | 23.7 (1.9) | .13 (.37) | .20 (1.4) | 1.5 (1.7) | .001 (.142) |
| DRS−2 Total (0−144) |
140.7 (3.2) | 139.7 (3.8) | .25 (.27) | 1.2 (3.4) | 4.1 (3.9) | .001 (.136) |
| RAVLT TR (0−75) |
50.6 (8.8) | 46.8 (8.1) | .07 (.44) | 1.1 (6.0) | 6.7 (6.2) | <.001 (.164) |
| RAVLT DR (0−15) |
10.1 (2.6) | 9.0 (2.8) | .08 (.42) | −.14 (2.1) | 3.0 (2.4) | <.001 (.315) |
MMSE = Mini-Mental State Examination; DRS−2 = Dementia Rating Scale−2; RAVLT TR = Rey Auditory Verbal Learning Test Total Words Recalled; RAVLT DR = Rey Auditory Verbal Learning Test Delayed Recall