Table 3.
Multilevel Regression Models Predicting Log High Frequency Heart Rate Variability (HFlog) from Estradiol (E2) and Progesterone (P4) in Study One (N = 158 visits).
| Parameter | Outcome: HFlog (Vagally-Mediated Heart Rate Variability) | |
|---|---|---|
| Estimate | SE | |
| Fixed Effects | ||
| Intercept (γ00) | 5.98 | 0.16 |
| Sample-Standardized Age (γ01) | 0.06 | 0.15 |
| Person-Centered E2 (γ10) | −0.037 | 0.085 |
| Person-Centered P4 (γ20) | −0.036 *** | 0.011 |
| E2 * P4 (γ30) | −0.015 | 0.025 |
| Variance Components | ||
| Intercept (u0j) | 0.86 | 0.22 |
| Person-Centered P4 (u2j) | 0.016 * | 0.0076 |
| Autoregressive (visit-1) Term | −0.14 | 0.14 |
| Residual (eij) | 0.30 | 0.043 |
Note. * p < 0.05, *** p < 0.001. Statistically significant parameters are shown in bold.