Table 2.

Linear Regression Results

PTSD Symptoms: CAPS-5 Final Scores
	B	SE B	β	p
Variable
Intercept	23.28	1.72		<0.001
HRV1	−2.14	0.78	−0.30	0.010
Condition2	−4.17	1.78	−0.27	0.025
Interaction3	−1.97	0.78	−0.26	0.017
Baseline CAPS-54	0.91	0.13	0.73	<0.001
Substance Use: TLFB Final Scores
	B	SE B	β	p
Variable
Intercept	34.97	7.76		<0.001
HRV	6.82	3.49	0.34	0.059
Condition	6.80	7.79	0.15	0.389
Interaction	−2.06	3.54	−0.10	0.565
Baseline TLFB5	0.26	0.19	0.23	0.171

Note.

¹Baseline resting heart rate variability.

²Treatment condition.

³Heart rate variability multiplied by treatment condition.

⁴Clinician Administered PTSD Scale

⁵Timeline Follow Back.