Table 4.

Estimates of the Effect of the Delaware PBC on Waiting Time in Outpatient Alcohol and Other Drug Treatment

Parameter	Model 1: Pre-Post with Comparison Group n = 21,977			Model 2: Pre-Post Only n = 10,597
	Estimate	SE	p	Estimate	SE	p
Intercept	6.05	1.05	<.0001	22.92	4.56	<.0001
State and Admission Year (Maryland / 1998 – 2001)
Delaware	16.68	3.97	<.0001
Admission in 2002 – 2003	4.16	1.30	0.001
Admission in 2004 – 2006	3.31	1.17	0.005
Delaware admission 2002 – 2003	−13.27	2.36	<.0001	−9.09	1.95	<.0001
Delaware admission 2004 – 2006	−20.04	2.22	<.0001	−16.71	1.89	<.0001
Client Characteristics
Female (male)	0.92	0.40	0.02	0.87	0.41	0.03
White (non white)	2.15	0.63	0.001	1.29	0.81	0.11
Hispanic (non hispanic)	−1.43	0.90	0.11	−1.69	1.52	0.27
Marital Status (single)
Married	−0.30	0.32	0.35	−0.08	0.45	0.86
No longer married	−0.13	0.36	0.72	0.45	0.59	0.45
Employment Status (employed)
Not in workforce	0.75	0.66	0.25	0.32	0.81	0.69
Unemployed	−1.18	1.14	0.30	−1.38	1.11	0.22
Living Situation at admission (independent)
Homeless	−0.56	0.86	0.51	−0.36	1.16	0.76
Dependent Living	−0.55	0.77	0.48	−0.38	2.30	0.87
Education level (less than HS graduate)
HS education	0.55	0.47	0.24	0.49	0.45	0.27
Some college	−0.62	0.50	0.22	−0.66	0.57	0.25
Clinical History
Previous treatment for mental health (no)	0.29	0.35	0.42	0.38	0.28	0.18
Previous AOD treatment (no)	−0.51	0.93	0.58	−0.57	0.98	0.56
Current Legal Involvement (none)
Charges pending	1.01	1.48	0.50	1.12	1.47	0.45
Convicted	3.68	0.88	<.0001	3.80	0.88	<.0001
Primary drug at admission (alcohol)
Marijuana	0.01	0.40	0.98	−0.41	0.79	0.61
Cocaine	−1.29	0.42	0.002	−0.92	0.60	0.12
Opiates	−2.50	0.57	<.0001	−2.26	0.86	0.01
Other drug	−1.91	0.78	0.01	−1.86	1.27	0.14
Frequency of use of primary drug (not in last month)
Daily	−2.24	0.60	0.0002	−1.63	0.67	0.02
Weekly	−1.26	0.50	0.01	−0.86	0.71	0.22
Monthly	−0.48	0.52	0.36	−0.20	0.88	0.82

Models adjusted for clustering of clients in programs.