Table 5A.
Hierarchical Regression Model: Correlation between HPT and Oxytocin.
| HPT | Full model | Sex | Sleep | Oxy | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F | p | r | r2 | B | T | Sig | B | T | Sig | B | t | Sig | |
| Oxy | 4.744 | 0.036b | 0.333a | 0.111 | -0.333 | -2.178 | -0.036 | ||||||
| Oxy sex | 2.383 | 0.106c | 0.338b | 0.114 | 0.067 | 0.361 | 0.720 | -0.296 | -1.597 | 0.119 | |||
| Oxy sex sleep | 2.031 | 0.127d | 0.380c | 0.145 | 0.096 | 0.515 | 0.610 | -0.180 | -1.135 | 0.264 | -0.244 | -1.279 | 0.209 |
Oxytocin and HPT are significantly correlated (p = 0.036). However, the predictive power is only marginally increased when adding “sex” (0.3% increase) or “sleep” (3.1%) to the model.