Table 2.

Change in alcohol use, intoxication, illegal drug use and ASI composite scores before and after discharge from residential dual diagnosis treatment

N = 368 completing all assessments	One month before admission period 1	One month after discharge period 2	Six months after discharge period 3	12 months after discharge period 4	Mean change from baseline	p < .001 between periods
Illegal drug use days per month	9.5	0.4	1.0	1.2	91%	1 v 2, 3 & 4
Intoxication days per month	16.34	1.0	2.1	1.8	90%	1 v 2, 3 & 4
Alcohol use in days per month	18.8	1.4	3.2	3.0	87%	1 v 2, 3 & 4 2 v 3 & 4
ASI drug composite score	.135	.020	.020	.023	84%	1 v 2, 3 & 4
ASI alcohol composite score	.618	.109	.125	.120	81%	1 v 2, 3 & 4
ASI family composite score	.326	.139	.133	.123	60%	1 v 2, 3 & 4
ASI legal composite score	.121	.075	.051	.030	50%	1 v 2, 3 & 4
ASI psychiatric composite score	.478	.262	.230	.223	50%	1 v 2, 3 & 4
ASI medical composite score	.288	.148	.150	.185	44%	1 v 2, 3 & 4
ASI employment composite score	.388	.464	.384	.368	−4% @ 1 +5% @ 4	1 v 2, 2 v 3 & 4