Table 2.

Sensitivity analyses to test the robustness of RSFC-six-month post-trauma PTSD symptom associations when accounting for other relevant demographic, clinical, and trauma-related predictors.

Predictor	B	β	t	p
MR Scanner Type	−0.660	−0.139	−1.319	0.198
Age	0.001	0.005	0.052	0.959
Sex (male/female)	−1.458	−0.284	−2.819	0.009a
Education (post-secondary/no post-secondary)	−0.020	−0.004	−0.033	0.974
African American Race (versus Caucasian)	0.618	0.129	1.108	0.278
Other Minority Race (versus Caucasian)	−1.123	−0.147	−1.299	0.205
Physical Assault (versus motor vehicle crash)	1.342	0.225	1.839	0.077
Other non-vehicular incident (versus motor vehicle crash)	−0.612	−0.064	−0.476	0.638
Trauma Load	−0.044	−0.077	−0.655	0.518
Psychotropic Medication	0.053	0.008	0.070	0.944
Pain Medication	0.203	0.040	0.403	0.690
Two-Week PTSD Symptoms (IES-R)	0.013	0.099	0.598	0.555
Two-Week Depressive Symptoms (BDI-II)	0.077	0.256	1.885	0.070
Two-Week Anxiety Symptoms (BAI)	0.034	0.145	1.050	0.303
Two-Week Pain Rating	0.042	0.040	0.382	0.706
Alcohol Use (AUDIT-C)	0.026	0.023	0.223	0.825
Right Amygdala – Right Cerebellum RSFC (+14, −78, −52)	−7.293	−0.395	−3.428	0.002a
Right Amygdala – Right Cerebellum RSFC (+12,-50, −26)	−1.351	−0.097	−0.836	0.411
Left Amygdala – Left Postcentral/Precentral Gyrus RSFC	−3.342	−0.251	−1.966	0.060

^ap <.05 More negative right amygdala -right cerebellum resting state functional connectivity (RSFC) survived as a predictor of six-month post-trauma PTSD symptom severity.