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Covariance parameters for the interactive effect of condition and time (study phase) predicting daily self-reported stress.
| Parameter | Estimate (SE) | Z valuea | P value |
| Intercept | 0.460 (0.112) | 4.12 | <.001 |
| Study phase (3 vs 1) | 0.340 (0.036) | 9.55 | <.001 |
| Residual (VCb) | 0.601 (0.031) | 19.53 | <.001 |
aThe Z value represents the test value of the z distribution on which statistical significance is determined for this analysis.
bVC: variance component (method for structuring the covariance matrix).
