Table 5.
Hierarchical linear regression of MCI participant (Block 1) and informant (Block 2) variables predicting Mean FAQ score (square root transformed)
| Block | Predictors | Adjusted R2 | R2 Change | F (df) | β | t | P |
|---|---|---|---|---|---|---|---|
| 1 | Participant sex | −0.06 | −3.53 | <.001* | |||
| Participant age | 0.055 | 0.056 | 48.45 | 0.009 | 0.516 | 0.606 | |
| Participant GDS | (4,3265)* | 0.14 | 7.87 | <.001* | |||
| Participant cognition | −0.18 | −9.81 | <.001 | ||||
| 2 | Participant sex | −0.011 | −0.653 | 0.513 | |||
| Participant age | −0.001 | −0.077 | 0.939 | ||||
| Participant GDS | 0.131 | 7.68 | <.001* | ||||
| Participant cognition | 0.087 | 0.033 | 45.72 | −0.222 | −12.05 | <.001* | |
| Informant | (7,3262)* | −0.104 | −5.80 | <.001* | |||
| race/ethnicity | |||||||
| Informant education | 0.062 | 3.62 | <.001* | ||||
| Informant relationship | −0.124 | −7.00 | <.001* | ||||
Note. Dependent variable (Mean FAQ) was square root transformed. Excluding informant cohabitation variable from Block 2.
p<.001.
FAQ = Functional Activities Questionnaire; GDS = Geriatric Depression Score.