. Author manuscript; available in PMC: 2022 Nov 1.

Published in final edited form as: J Int Neuropsychol Soc. 2021 Jan 29;27(10):992–1003. doi: 10.1017/S1355617720001423

Table 3.

Personality and Acute Symptom Predictors of Chronic mTBI Symptoms in mTBI: Final Stepwise Regression Model (n = 50)

	Chronic (3-month) SCAT Symptom Severity
Predictor	B	t	sr ²	R ²	F	Δ F
Model 1				.24	15.21^***	15.21^***
Acute SCAT symptom severity	.49	3.90^***	.24
Model 2				.35	12.49^***	7.67^**
Acute SCAT symptom severity	.39	3.13^**	.14
PID-5-BF Psychoticism	.34	2.77^**	.11
Model 3				.41	10.69^***	4.97^*
Acute SCAT symptom severity	.26	1.96	.05
PID-5-BF Psychoticism	.33	2.75^**	.10
MMPI-2-RF RC1 Somatic Complaints	.29	2.23^*	.06

Note. SCAT = Sport Concussion Assessment Tool 3/5 (raw score total). PID-5-BF = Personality Disorder Inventory for DSM-5 – Brief Form (mean item score). MMPI-2-RF = Minnesota Multiphasic Personality Inventory-2-Restructured Form (T). T-scores (M = 50, SD = 10).

p < .05,

^**

p < .01,

^***

p < .001