Table 5.
The summary of hierarchical regression models to predict TMT‐A performance
| Psychomotor processing speed | ||||
|---|---|---|---|---|
| Model | Independent variables | Adjusted R 2 (Δ) | βj | p |
| Model 1 | 23.8 | <.001 | ||
| Age | .501 | <.001 | ||
| Model 2 | 27.8 (5.0) | .047 | ||
| Age | .553 | <.001 | ||
| FA in FMajor | −.231 | .047 | ||
| Model 3 | 54.9 (27.1) | <.001 | ||
| Age | .402 | <.001 | ||
| FA in FMajor | −.200 | .030 | ||
| Regional fALFF values | −.540 | <.001 | ||
Note: Adjusted R 2 (explanation of variance in the percentages) and standardized beta values (βj) were presented for significant findings. Incremental explanations of variance are shown in brackets as delta (Δ) of adjusted R 2 in percentage. p < .05.
Abbreviation: FMajor, forceps major.