. Author manuscript; available in PMC: 2015 Feb 17.

Published in final edited form as: Am J Addict. 2008 May-Jun;17(3):176–180. doi: 10.1080/10550490802019543

TABLE 1.

Demographic and baseline clinical characteristics

	DM/Q (n = 22)	Placebo (n = 9)	χ² or t	p	DF
Demographics
Age (years)	40 (9)	41 (10)	−0.24	0.81	29
Male	15 (68%)	6 (67%)	0.007	0.94	1
Race
Hispanic	8 (36%)	3 (33%)	4.73	0.19	4
Black	6 (27%)	0 (0%)
Caucasian	7 (32%)	6 (67(%)
Other	1 (5%)	0 (0%)
Education (high school or higher)	18 (82%)	7 (78%)	.07	.80	1
Single	13 (59%)	5 (56%)	.03	.86	1
Currently employed	5 (23%)	6 (67%)	5.39	.02	1
Average number of bags of heroin/day	6.3 (3.0)	5.8 (4.0)	.41	.68	29

Values in the table are N (%) for categorical variables, or mean (SD) for continuous variables.