Table 4.

Hierarchical multiple regression analysis predicting depression at 6-month follow-up with demographic and clinical variables (Model 1) and AHI z-scores (Model 2)

Predictor	B	SE	β	t	p
Model 1
BDI-II at admission	0.358	0.063	0.282	5.661	< 0.001
BDI-II at discharge	0.589	0.069	0.443	8.600	< 0.001
age	0.105	0.042	0.120	2.495	0.013
gender	-0.434	1.176	− 0.018	-0.369	0.712
unemployment status	0.794	1.500	0.025	0.529	0.597
suicide attempts	3.580	1.847	0.090	1.939	0.054
anxiety disorder	0.571	1.342	0.020	0.425	0.671
antidepressant at admission	1.241	1.284	0.051	0.966	0.335
antidepressant at discharge	-0.972	1.624	− 0.032	-0.599	0.550
R²	0.398
ΔR²	—
Model 2
BDI-II at admission	0.382	0.068	0.301	5.597	< 0.001
BDI-II at discharge	0.453	0.085	0.340	5.352	< 0.001
age	0.100	0.042	0.114	2.369	0.018
gender	0.051	1.195	0.002	0.043	0.966
unemployment status	1.280	1.497	0.040	0.855	0.393
suicide attempts	3.246	1.838	0.082	1.766	0.078
anxiety disorder	0.560	1.331	0.019	0.420	0.674
antidepressant at admission	1.149	1.273	0.047	0.903	0.368
antidepressant at discharge	-1.465	1.620	− 0.048	-0.905	0.366
AHI at admission	-0.419	0.663	− 0.034	-0.633	0.527
AHI at discharge	1.954	0.723	0.169	2.703	0.007
R²	0.414
ΔR²	0.015

AHI: Aggressionshemmungs-Inventar

BDI-II: revised Beck Depression Inventory