The effectiveness of an integrated collaborative care model vs. a shifted outpatient collaborative care model on community functioning, residential stability, and health service use among homeless adults with mental illness: a quasi-experimental study

Table 3 Health service use generalized estimating equation models

	Any ED Visits in the Past 6 months			Any Overnight Hospital Visits in the Past 6 months			Any Community Physician Visits in the Past 30 days
Effect	Odds Ratio [Exp(β)]	95 % CI	p Value	Odds Ratio [Exp(β)]	95 % CI	p Value	Odds Ratio [Exp(β)]	95 % CI	p Value
SOCC vs. IMCC	1.79	1.04–3.07	0.035	3.15	1.61–6.17	0.001	2.54	1.39–4.63	0.002
6 M vs. Baseline	0.51	0.30–0.87	0.014	0.45	0.26–0.79	0.006	1.31	0.73–2.35	0.358
12 M vs. Baseline	0.48	0.26–0.90	0.021	0.33	0.17–0.63	0.001	2.07	1.14–3.74	0.017
Schizophrenia diagnosis at Baseline	0.50	0.30–0.84	0.009	1.06	0.57–1.97	0.859	0.71	0.42–1.20	0.204
ASI Alcohol Composite Score at Baseline	1.01	0.19–5.43	0.992	0.55	0.15–2.05	0.369	1.23	0.29–5.20	0.777
ASI Drug Composite Score at Baseline	0.85	0.03–22.61	0.923	1.66	0.07–39.65	0.756	15.28	0.45–516.21	0.129
Caucasian Ethnicity	1.48	0.85–2.58	0.171	0.98	0.49–1.94	0.947	1.18	0.65–2.13	0.591
Foreign Born	0.86	0.49–1.53	0.611	0.86	0.40–1.86	0.697	1.20	0.65–2.21	0.555
BPRS at Baseline	1.03	1.00–1.05	0.061	1.02	1.00–1.05	0.093	0.99	0.96–1.02	0.425
% Lifetime Homeless	1.01	0.98–1.04	0.603	1.01	0.97–1.05	0.737	0.99	0.96–1.02	0.345
MCAS at Baseline	1.03	1.00–1.06	0.103	1.01	0.97–1.05	0.604	0.98	0.95–1.01	0.168

ASI Addiction Severity Index, BPRS Brief Psychiatric Rating Scale, ED emergency department; IMCC integrated multidisciplinary collaborative care, MCAS Multnomah Community Ability Scale, SOCC shifted outpatient collaborative care

ISSN: 1472-6963