Table 1.

Summary of Multilevel Model Regression Analyses of CE

	Model 1a. [Both groups] Predictors of Log10(CE)
Variable	Level	Effect(∆lgCE)	SE	P
OXT Dose*	(ref. = Placebo)	-	-	-
	20 IU*	0.02	0.01	0.05
	40 IU	0.02	0.01	0.08
Group	(ref. = Control)	-	-	-
	PTSD-AUD	0.02	0.03	0.47
Age*		0.00	0.00	>0.01
PTSD-AUD x 20 IU Dose		−0.01	0.01	0.56
PTSD-AUD x 40 IU Dose		−0.03	0.02	0.08
Crossover Order				>0.34
Group x Order				>0.34
	Model 1b.† [Placebo visit only] Predictors of Log10(CE)
Variable	Level	Effect(∆lgCE)	SE	P
OXT Dose	(Placebo only)	-	-	-
Group*	(ref. = Control)	-	-	-
	PTSD-AUD*	0.04	0.01	0.01
Age*		<0.01	<0.01	<0.01
	Model 1c. [HC only] Predictors of Log10(CE)
Variable	Level	Effect(∆lgCE)	SE	P
Group	(HC only)	-	-	-
OXT Dose*	(ref. = Placebo)	-	-	-
	20 IU*	0.02	0.01	0.04
	40 IU	0.02	0.01	0.06
Age*		<0.01	<0.01	<0.01
Crossover Order				>0.31
	Model 1d. [PTSD-AUD only] Predictors of Log10(CE)
Variable	Level	Effect(∆lgCE)	SE	P
Group	(PTSD-AUD only)	-	-	-
OXT Dose	(ref. = Placebo)	-	-	-
	20 IU	0.01	0.01	0.20
	40 IU	−0.01	0.01	0.51
Age*		<0.01	<0.01	<0.01
Crossover Order				> 0.15

Abbrev.: CE=congruency effect; Effect = per unit effect size (regression coefficient); ∆lg=change in log units; SE= standard error; OXT= oxytocin; IU= international units; PTSD= posttraumatic stress disorder; AUD= alcohol use disorder. ^†Post-hoc analysis.