Table 1.
A Comparison of Demographics and Baseline Performances Between the Retained and Lost Participants
| Retained | Lost | t (df) | p | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Age | 70.58 | 7.50 | 71.00 | 8.12 | .23 (81) | .816 |
| Education | 14.70 | 2.70 | 12.82 | 2.54 | −3.04 (79) | .003 |
| NYHAC | 1.15 | .74 | 1.29 | .69 | .72 (63) | .474 |
| DRS total (raw) | 138.05 | 4.41 | 135.18 | 7.05 | −2.28 (81) | .025 |
| DRS total (scaled)† | 10.34 | 2.56 | 9.58 | 2.87 | −1.22 (79) | .224 |
| BDI total | 5.14 | 3.73 | 7.45 | 5.69 | 1.60 (67) | .115 |
| CDS total | 35.78 | 18.54 | 40.44 | 27.19 | .19 (80) | .364 |
NYHAC = New York Heart Association Class; DRS=Dementia Rating Scale;
†
Raw DRS scores were converted to age- and education-corrected scaled scores using the Mayo’s Older Americans Normative Studies (MOANS) norms (36); BDI = Beck Depression Inventory; CDS = Cognitive Difficulties Scale