Table 8.
Beta coefficients, Change in R2 and R2 values for the multitasking, executive and neuropsychological predictors of DOT performances for the older adult group. Age and education were entered in Block 1, results are presented for Model 2
| Variables | Complete/ Inefficient† |
Total Time† |
Total Accuracy Score† |
Sequencing Score |
|---|---|---|---|---|
| Multitasking Predictors | ||||
| Age | .26 | .07 | .35* | −.26 |
| Education | −.21 | −.33* | −.23 | −.04 |
| MAS Prose Memory | −.22 | −.17 | −.09 | −.07 |
| Prospective Memory Test | −.33* | −.13 | −.19 | .35* |
| BADS Zoo Map | .14 | −.04 | −.01 | .09 |
|
|
||||
| Change in R2 | .14 | .04 | .04 | .15 |
| R 2 | .21 | .18 | .19 | .22 |
| Executive Function Measures | ||||
| Age | .06 | −.04 | .26 | −.10 |
| Education | −.04 | −.29* | −.24 | −.05 |
| Trails B† | .22 | .25 | .12 | −.07 |
| D-KEFS Letter Fluency total | −.30* | −.09 | −.04 | .22 |
| Clox 1 | .14 | .25 | −.05 | .05 |
|
|
||||
| Change in R2 | .14 | .08 | .02 | .06 |
| R 2 | .22 | .22 | .18 | .09 |
| Neuropsychological Measures | ||||
| Age | .25 | −.07 | .29 | −.17 |
| Education | −.12 | −.33* | −.16 | −.02 |
| BVMT-R Copy | −.05 | .16 | .05 | −.07 |
| Trails A† | .01 | .33* | −.05 | −.01 |
| D-KEFS Category Fluency | −.21 | .02 | −.17 | .02 |
|
|
||||
| Change in R2 | .04 | .11 | .03 | .01 |
| R 2 | .15 | .25 | .16 | .04 |
Notes. Total correct raw score was used for all neuropsychological measures. MAS = Memory Assessment Scale; BADS = Behavioral Assessment of the Dysexecutive Syndrome; D-KEFS = Delis-Kaplan Executive Functioning Scale; BVMT-R = Brief Visuospatial Memory Test-Revised.
†
Higher scores represent poorer performance.
*
p < .05.