Overall Changes (i.e., “Delta” Values) Throughout the Uptake Period
| Variable (unit) | Mean | SD | Range | P* |
| STAI | −1.70 | 3.71 | 23 | <0.01 |
| Cortisol (μg/dL) | −0.15 | 0.31 | 1.74 | 0.01 |
| Heart rate (Z) | −0.75 | 1.00 | 3.70 | 0.01 |
| Skin conductance (Z) | 0.76 | 1.55 | 3.99 | <0.01 |
↵* Paired-samples t test.