Table 3.

Multivariate Logistic Regression Results Predicting Rehospitalization Among Administrative, Diagnostic, Demographic, and Clinical Characteristics

	Model 1 [C-Statistic = 0.55; 95% CI, 0.53–0.55]		Model 2 [C-Statistic = 0.58; 95% CI, 0.57–0.59]		Model 3 [C-Statistic = 0.58; 95% CI, 0.57–0.59]		Model 4 [C-Statistic = 0.58; 95% CI, 0.57–0.59]
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
Prior hospitalizations
Prior 2 years
None (reference)
1–2	1.05	0.96–1.15	1.10	1.00–1.20	1.10	1.00–1.20	1.09	1.00–1.18
3 or more	1.29	1.10–1.52	1.38	1.16–1.63	1.38	1.17–1.63	1.36	1.16–1.61
Lifetime
None (reference)
1–3	1.26	1.17–1.35	1.19	1.11–1.28	1.19	1.11–1.28	1.22	1.14–1.31
4–5	1.45	1.28–1.65	1.30	1.14–1.47	1.28	1.13–1.46	1.33	1.17–1.51
6 or more	1.53	1.34–1.75	1.36	1.18–1.55	1.34	1.17–1.54	1.40	1.22–1.60
Diagnoses
Mood disorder			1.21	1.12–1.30	1.29	1.20–1.38
Schizophrenia			1.36	1.25–1.45	1.33	1.22–1.44
Dementia/other cognitive			0.75	0.66–0.84
Personality disorder			1.15	1.04–1.27
Primary substance use disorder			0.63	0.57–0.69	0.69	0.63–0.77	0.61	0.56–0.68
Secondary substance use disorder			1.11	1.02–1.21	1.13	1.03–1.22	1.13	1.04–1.23
Clinical status
Unemployed					1.08	1.01–1.15	1.07	1.00–1.14
PSS = 0 (reference)
PSS = 1–2					1.11	1.02–1.20	1.14	1.06–1.23
PSS = 3+					1.17	1.08–1.27	1.23	1.14–1.32
SoS = 0
SoS = 1+					1.12	1.04–1.21	1.11	1.03–1.20

Abbreviations: CI = confidence interval, OR = odds ratio, PSS = Positive Symptom Scale, SoS = Severity of Self-Harm scale.