Table 3. Predictors of readmission, length of stay and charge (regression analyses).

	Readmission (yes/no) (n = 244)			annual LOS (ln) (n = 244)			Charge/day (ln) (n = 242)			Total charge (ln) (n = 242)
Predictor	Exp(B)	S.E.	Sig.	B	S.E.	Sig.	B	S.E.	Sig.	B	S.E.	Sig.
Age	0.99	0.02	0.11	0.01	0.01	0.11	0.00	0.00	0.73	0.01	0.00	0.07
Sex	1.14	0.46	0.67	−0.05	0.12	0.67	−0.05	0.03	0.13	−0.10	0.12	0.41
Payer	2.47	0.44	0.01	0.31	0.12	0.01	0.22	0.04	<.01	0.54	0.12	<0.01
Diagnosis
- SMD	1.98	0.52	0.70	0.14	0.12	0.70	0.07	0.03	0.04	0.21	0.12	0.08
- CMD & other	1.63	0.70	0.24	0.06	0.16	0.24	0.02	0.05	0.62	0.09	0.16	0.56
Employed	2.22	0.49	0.06	−0.21	0.11	0.06	−0.03	0.03	0.37	−0.24	0.11	0.03
Log likelihood or R2	LL = 156			R2 = 0.04			R2 = 0.15			R2 = 0.10

Reference group for diagnosis is substance use disorder.