Table 3.
Summary of the Bootstrapped Hierarchical Regression Analysis when predicting global cognition and interference index.
| Predictor | Criterion variable | R2 | F | ΔR2 | ΔF | B | SE | CI 95% |
|---|---|---|---|---|---|---|---|---|
| Step 1 | Global cognition | 0.02 | 0.46 (1, 28) | |||||
| Age | -0.05 | 0.13 | [-0.36, 0.07] | |||||
| Step 2 | 0.18 | 2.93 (2, 27) | 0.16 | 5.33∗ (2, 27) | ||||
| Age | -0.02 | 0.12 | [-0.34, 0.09] | |||||
| AGT-A | -0.44∗ | 0.20 | [-0.77, -0.01] | |||||
| Step 1 | Interference Index | 0.03 | 0.82 (1, 28) | |||||
| Age | 0.03 | 0.08 | [-0.04, 0.27] | |||||
| Step 2 | 0.23 | 3.97 (2, 27) | 0.20 | 6.95∗ (2, 27) | ||||
| Age | -0.04 | 0.07 | [-0.18, 0.13] | |||||
| AGT-C | -0.03 | 0.03 | [-0.01, 0.08] | |||||
∗p < 0.05. N = 30 Values inside the parenthesis are the degrees of freedom. The ΔR2 and F-values were derived from hierarchical regression analysis. Bootstrap results are based on 5,000 resamples.