Table 3.
Hierarchical regression table for predictors of semi-quantitative whole brain metabolism. Note that bivariate association P-values for R2Δ and b are equivalent expressions
| Predictor | R2D | F | P | B (SE) | b | t | P | |
|---|---|---|---|---|---|---|---|---|
| Bivariate associations | Age | 0.10 | 5.22 | 0.03 | −0.06 (0.02) | −0.32 | −2.28 | 0.03 |
| aSWA | 0.03 | 1.18 | 0.28 | 0.02 (0.02) | 0.16 | 1.08 | 0.28 | |
| rSWA | 0.10 | 4.84 | 0.03 | 8.20 (3.73) | 0.31 | 2.20 | 0.03 | |
| Moderation models | Age | 0.11 | 2.80 | 0.07 | −0.52 (0.03) | −0.30 | −2.08 | 0.04 |
| aSWA | 0.01 (0.02) | 0.10 | 0.66 | 0.51 | ||||
| Age 3 aSWA | 0.12 | 6.89 | 0.01 | 0.01 (0.002) | 0.36 | 2.63 | 0.01 | |
| Age | 0.14 | 3.42 | 0.04 | −0.38 (0.03) | −0.22 | −1.38 | 0.18 | |
| rSWA | 5.30 (4.3) | 0.20 | 1.25 | 0.22 | ||||
| Age 3 rSWA | 0.13 | 7.25 | 0.01 | 0.86 (0.32) | 0.36 | 2.69 | 0.01 |
aSWA, absolute slow wave activity; rSWA, relative slow wave activity; SE, standard error.
Significant relationships are highlighted in bold font.