Table 3.
Interaction between cognitive changes and study groups.
| Measures of cognitive function | Main effect of cognitive change/interaction between cognitive change and study group | ||||||
|
|
|
Model Ia | Model IIb | ||||
|
|
F | η2 | P value | F | η2 | P value | |
| Verbal memory |
|
|
|
|
|||
|
|
Learning | 0.03/0.06 | 0.001/0.001 | .86/.81 | 0.13/0.19 | 0.002/0.003 | .72/.67 |
|
|
Delayed free recall | 12.38/7.86 | 0.18/0.12 | .001/.007 | 0.22/8.64 | 0.004/0.13 | .64/.005 |
| Attention/ executive functions | |||||||
|
|
Digit span forward | 6.08/5.49 | 0.10/0.09 | .02/.02 | 1.75/4.15 | 0.03/0.07 | .19/.046 |
|
|
Digit span backward | 12.72/9.04 | 0.18/0.14 | .001/.004 | 0.42/6.19 | 0.007/0.10 | .52/.02 |
| Language |
|
|
|
|
|||
|
|
Fluency | 6.90/12.94 | 0.11/0.18 | .01/.001 | 0.75/9.24 | 0.01/0.14 | .39/.004 |
aModel I: no adjusted factors.
bModel II: adjusted for Short-Form Geriatric Depression Scale and Subjective Memory Complaints Questionnaire scores.