Polytraumatization in young male refugees from the Middle East and its association with internalizing and externalizing symptoms

Table 2 Hierarchical regression analysis for the total number of potentially traumatic event types (derived from SLESQ) predicting mental health outcomes (HSCL-37A)

Variable	B	SE B	β	BCa 95% CI^a	p	Adj. R²	ΔR²
Model 1: internalizing symptoms
Step 1						0.22
Age	− 0.27	0.52	− 0.04	[− 1.28, 0.76]	0.611
Length of stay	− 0.75	0.75	− 0.07	[− 2.36, 1.21]	0.355
Post-migration Stress	1.11	0.31	0.39	[0.55, 1.71]	< 0.001
Unaccompanied status	6.01	2.71	0.21	[0.76, 11.18]	0.030
Step 2						0.31	0.09
Age	− 0.47	0.49	− 0.07	[− 1.41, 0.51]	0.339
Length of stay	− 1.24	0.72	− 0.12	[− 2.63, 0.37]	0.083
Post-migration stress	1.07	0.32	0.37	[0.52, 1.17]	< 0.001
Unaccompanied status	5.23	2.58	0.19	[0.21, 10.15]	0.043
PTE total	1.48	0.36	0.30	[0.73, 2.16]	< 0.001
Model 2: externalizing symptoms
Step 1						0.13
Age	− 0.22	0.18	− 0.09	[− 0.62, 0.14]	0.251
Length of stay	− 0.20	0.32	− 0.05	[− 0.87, 0.59]	0.543
Post-migration stress	0.37	0.16	0.33	[0.11, 0.65]	0.019
Unaccompanied status	1.81	1.17	0.17	[− 0.65, 4.18]	0.137
Step 2						0.17	0.04
Age	− 0.27	0.18	− 0.11	[− 0.65, 0.08]	0.148
Length of stay	− 0.33	0.29	− 0.08	[− 0.94, 0.37]	0.275
Post-migration stress	0.36	0.17	0.32	[0.09, 0.64]	0.034
Unaccompanied status	1.61	1.13	0.15	[− 0.83, 4.04]	0.172
PTE total	0.38	0.17	0.20	[0.01, 0.70]	0.034

N = 148. **p < 0.01. ***p < 0.001. Model 1, Step 1: F(4, 144) = 11.58, p < 0.001. Model 1, Step 2: F(5, 143) = 14.11, p < 0.001; and ΔF(1, 143) = 18.58, p < 0.001. Model 2, Step 2: F(4, 144) = 6.67, p < 0.001. Model 2, Step 2: F(5, 143) = 6.91, p < 0.001; and ΔF(1, 143) = 6.80, p = 0.010. Model 1, VIF (maximum) = 1.32; Model 2, VIF (maximum) = 1.32
^aBias-corrected and accelerated bootstrap (BCa) confidence intervals (CI) based on 5000 resamples

ISSN: 1753-2000