Is the level of institutionalisation found in psychiatric housing services associated with the severity of illness and the functional impairment of the patients? A patient record analysis

Table 5 Linear Regression models for the association between cost of psychiatric care and accommodation setting

	Cost of psychiatric inpatient treatment		Costs of psychiatric outpatient treatment		Costs of psychopharmacological treatment		Total costs of psychiatric care without housing service costs		Total costs of psychiatric care including housing service costs
	b	p¹	b	p¹	b	p¹	b	p¹	b	p¹
Type of housing	No housing support : Reference category
Ambulant housing support	1694.71	0.405	408.25	0.335	-161.14	0.694	1939.03	0.377	24339.03	0.000
Foster families for adults	3918.69	0.269	-703.25	0.000	-387.60	0.230	2804.15	0.437	21289.15	0.000
Staffed apartments	1104.28	0.597	-515.69	0.004	613.50	0.526	1193.23	0.577	58643.23	0.000
Intensively staffed group homes	1250.59	0.440	-776.70	0.000	598.48	0.120	1121.95	0.510	28621.95	0.000
Psychiatric nursing homes	2177.02	0.335	-102.10	0.604	379.10	0.368	2447.80	0.286	25837.80	0.000
Control variables
Age	-41.76	0.217	-0.40	0.924	-15.50	0.130	-56.71	0.125	-56.71	0.125
Gender	-783.86	0.561	-233.65	0.217	289.93	0.182	-711.79	0.610	-711.79	0.610
Living situation	-3570.19	0.011	-555.34	0.008	-403.79	0.136	-4536.11	0.002	-4536.11	0.002
Diagnosis of schizophrenia	-2433.21	0.205	136.90	0.410	191.01	0.585	-2112.06	0.294	-2112.06	0.294
Legal guardianship	3448.81	0.002	263.36	0.077	236.46	0.318	3912.36	0.001	3912.36	0.001
Suicide attempt	-2646.25	0.046	-226.25	0.271	756.77	0.001	-2085.08	0.134	-2085.08	0.134
Constant	5763.48	0.033	1366.78	0.000	1261.16	0.033	8340.43	0.003	8340.43	0.003
F/p	1.35	0.197	5.28	0.000	3.85	0.000	1.96	0.334	140.29	0.000
R²	0.11		0.14		0.11		0.10		0.69
N	250		250		250		250		250

Statistical parameters: b = regression coefficient; p¹ Robust estimation of standard errors; F = value on F-distribution for variances; R² = fit of regression analysis as degree of explanation effect by this model; N = sample size. Dichotomous variables: gender: women = 0; men = 1; living situation: 0 = single; 1 = living in couple; diagnosis: 1 = schizophrenia; 0 = any other diagnosis according to ICD-10

ISSN: 1471-244X