TABLE 2.

Selected Variables for Mexican American Non-Injecting Heroin Users by Injecting History

	Total %	Never Injectors % AORa		Former Injectors % AOR
	N = 300	N = 238		N = 62
Prior history of heroin use
Four or more years since started to use heroin**	44	36	1.0	74	3.7 (1.6, 8.7)
Mean age at first heroin use 18 or older	45	48	1.0	37	0.6 (0.2, 1.6)
Heroin use (prior 30 days)
Daily user	54	52	1.0	61	1.3 (0.6, 2.7)
≥ 2 bags per day	32	32	1.0	32	0.7 (0.3, 1.5)
Sniffing (intranasal) always	83	82	1.0	89	1.6 (0.6, 4.5)
Severity of heroin dependence (prior 30 days)
Severity of heroin dependence score ≥ 6 on SDS scale	34	32	1.0	42	1.6(0.7, 3.3)
Heroin market experience (prior 30 days)
Quality is good or very good	75	75	1.0	66	0.5(0.2, 1.0)
Quantity available on the street is enough or more than enough	96	96	1.0	95	0.8(0.2, 4.4)
Drug Use
Marijuana	83	83	1.0	85	1.5(0.6, 4.1)
Acculturation
Score 3 and Above on Short Acculturation Scale***	71	77	1.0	4.9	0.3(0.2, 0.7)

^**p< . 01.

^aAOR are adjusted for age.