Table 1.
Demographic Characteristics at Baseline for Completers and Noncompleters of Memory Training
| Baseline Characteristic | Completed Training (N = 619) | Did Not Complete Training (N = 84)* | p Value |
| Age | 73.4 ± 5.9 | 74.2 ± 6.6 | .27 |
| Gender, female | 76.9 | 72.6 | .39 |
| Race | .86 | ||
| White | 74.6 | 73.8 | |
| African American | 24.9 | 26.2 | |
| Other/unknown | 0.5 | 0.0 | |
| Years of education | 13.6 ± 2.7 | 13.4 ± 2.9 | .41 |
| MMSE score | 27.4 ± 2.0 | 26.8 ± 2.2 | .03 |
| Memory composite | 0.2 ± 2.5 | −0.5 ± 2.6 | .02 |
| Reasoning composite | 0.2 ± 2.7 | −0.4 ± 2.8 | .04 |
| Speed composite | −0.1 ± 2.5 | −0.02 ± 2.5 | .75 |
Notes: Values are mean ± standard deviation or %. *Randomized to receive memory training. MMSE = Mini-Mental State Examination. p values obtained using chi-square and t tests.