Table 4.
Results of two robust multiple linear regression analyses predicting free water fraction (top) and effective transverse relaxation rate (iron content, bottom) in the anterior–superior hypothalamus.
| Predictor | Standardized β | Standard error | t-value | p value |
|---|---|---|---|---|
| Free water fraction | ||||
| Intercept | − .071 | .147 | − 0.482 | .633 |
| Age | .190 | .152 | 1.252 | .220 |
| Cortisol (log trans.) | .051 | .205 | 0.250 | .804 |
| Waist circumference | .319 | .129 | 2.477 | .019 |
| Age × Cortisol | − .420 | .166 | − 2.534 | .016 |
| Waist circumference × Cortisol | .133 | .145 | 0.911 | .369 |
| Effective transverse relaxation rate | ||||
| Intercept | .016 | .135 | 0.116 | .909 |
| Age | − .118 | .182 | − 0.647 | .522 |
| Cortisol (log trans.) | − .143 | .392 | − 0.366 | .717 |
| Waist circumference | − .409 | .132 | − 3.090 | .004 |
| Age × Cortisol | − .070 | .409 | − 0.172 | .864 |
| Waist circumference × Cortisol | .018 | .091 | 0.195 | .847 |
Significant values are in [bold].