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. Author manuscript; available in PMC: 2010 Sep 22.

Published in final edited form as: Drug Alcohol Depend. 2008 Dec 19;101(1-2):92–100. doi: 10.1016/j.drugalcdep.2008.11.006

Table 3.

Substance Dependence symptoms at exit

	Group			Contrasts
	NC	Cocaine	Split	NC vs Cocaine	NC vs Split	Split vs Cocaine
% still cocaine dependent	76%	55%	45%	X²(1)=5.02, p=.025	X²(1)=9.99, p<.002	n.s.
% still heroin dependent	53%	45%	34%	n.s.	X²(1)=4.05, p=.044	n.s.
symptoms of cocaine dep.	2.6	2.1	1.6	n.s.	Tukey-adjusted p<.05	n.s.
symptoms of heroin dep.	1.7	1.6	1.3	n.s.	n.s.	n.s.