Table 4.

Multilevel fixed effects for physiological measures across drug, timepoint, and drug x timepoint.

Predictors	b	β	S.E.	p	Lower 95% CI	Upper 95% CI
Mean pre-ejection period
Intercept	128.38	.00	10.714	<.001	107.30	149.46
Drug	9.37	.42	3.143	.003	3.19	15.56
TSST Prep	−10.75	−.22	2.230	<.001	−15.14	−6.36
TSST Tasks	−10.69	−.16	2.214	<.001	−15.05	−6.34
TSST Recovery	−1.62	−.02	2.247	.471	−6.04	2.80
Drug x Prep	5.21	.07	3.277	.113	−1.23	11.66
Drug x Tasks	9.68	.13	3.237	.003	3.31	16.05
Drug x Recovery	2.16	.03	3.273	.510	−4.28	8.60
Sex	5.64	.17	2.477	.025	.770	10.52
BMI	.67	.06	.905	.465	−1.12	2.45
SES	−.89	−.11	.630	.164	−2.13	.36
Log-transformed salivary alpha-amylase
Intercept	1.96	−.00	.833	.021	.32	3.61
Drug	−.25	−.25	.203	.220	−.65	.15
Post-TSST T15 (15-min)	.20	−.02	.125	.120	−.05	.44
Drug x T15	−.50	−.13	.176	.006	−.85	−.15
Sex	.06	.03	.230	.788	−.39	.52
Menses Cycle	.03	.04	.077	.713	−.12	.18
BMI	−.08	−.11	.066	.258	−.21	.06
SES	.10	.19	.048	.049	.00	.19
Mean respiratory sinus arrhythmia
Intercept	11.39	.00	.680	<.001	10.05	12.73
Drug	−.24	−.12	.194	.210	−.63	.14
TSST Prep	.19	.09	.171	.258	−.14	.53
TSST Tasks	.30	.07	.201	.131	−.09	.70
TSST Recovery	−.18	−.04	.160	.275	−.49	.14
Drug x Prep	.06	.01	.231	.792	−.39	.52
Drug x Tasks	−.25	−.05	.242	.305	−.72	.23
Drug x Recovery	.14	.03	.228	.548	−.31	.59
Heart rate	−.05	−.64	.005	<.001	−.06	−.04
Sex	−.26	−.11	.140	.072	−.53	.02
BMI	.01	.02	.050	.797	−.09	.11
SES	−.05	−.10	.036	.142	−.13	.02
Log-transformed salivary cortisol
Intercept	.66	.00	.647	.311	−.61	1.93
Drug	.45	.21	.178	.013	.10	.80
Post-TSST T15 (15-min)	.87	.43	.132	<.001	.61	1.13
Post-TSST T30 (30-min)	.60	.28	.132	<.001	.34	.86
Drug x T15	−.08	−.02	.190	.693	−.45	.30
Drug x T30	−.10	−.03	.190	.611	−.47	.28
Sex	.33	.18	.178	.070	−.02	.68
Menses Cycle	.00	−.00	.059	.999	−.12	.12
BMI	.06	.10	.051	.216	−.04	.16
SES	−.01	−.01	.037	.893	−.08	.07

Note: Significant effects (p<.05) are bolded. SEs are with respect to the unstandardized coefficients.