Table 5.

RSA moderation and simple slopes.

Dependent variable: CAPS-5 Avoidance	β	t	p
RSAa	.058	.244	.810
Heart rate	.208	1.227	.236
BP – Systolic	−.193	−.858	.402
BP – Diastolic	.723	2.608	.018*
FMD	−.426	−2.769	.013*
RSA × FMD interaction	.527	2.287	.035*
Age	−.378	−2.690	.015*
BMI	.231	1.553	.138
R2 = .755
Simple slopes
FMD
Low RSA	−.870	−3.289	.004*
High RSA	.018	.079	.938

Note.

*p < .05; RSA = respiratory sinus arrhythmia; BP = blood pressure; FMD = flow mediated dilation; CAPS-5 = Clinician Administered PTSD Scale for DSM-5.

^aExcludes outliers.