Table 4.

Odds ratio estimates of correlates of not cleaning needles with bleach at last injection among past-year IDUs: data from the 2005–2008 National Survey on Drug Use and Health

Covariate	Unadjusted odds ratio		Adjusted odds ratioa
	OR	95% CI	aOR	95% CI
Age
18–25	1.0		1.0
26–34	0.74	(0.38, 1.45)	0.83	(0.41, 1.66)
35+	0.82	(0.41, 1.64)	0.70	(0.36, 1.36)
Sex
Male	1.0		1.0
Female	0.60	(0.31, 1.04)	0.57	(0.32, 1.01)
Race
White	1.0		1.0
Non-White	1.13	(0.44, 2.92)	1.18	(0.50, 2.78)
Education Attainment
HS or greater	1.0		1.0
< HS	0.50	(0.23, 1.08)	0.50	(0.24, 1.03)
Population Density
Not in a CBSA	1.0		1.0
<1 million people	1.76	(0.85, 3.63)	1.66	(0.74, 3.71)
1 million people+	1.28	(0.55, 2.95)	1.27	(0.53, 3.02)
Marital Status
Single	1.0		1.0
Married	0.43	(0.17, 1.08)	0.42	(0.17, 1.05)
Injecting Heroin in the Past Year
No	1.0		1.0
Yes	0.89	(0.43, 1.85)	0.75	(0.34, 1.63)
Injecting Cocaine in the Past Year
No	1.0		1.0
Yes	0.94	(0.47, 1.88)	0.94	(0.50, 1.78)
Injecting Methamphetamine in the Past Year
No	1.0		1.0
Yes	0.93	(0.46, 1.84)	1.08	(0.49, 2.37)
Injecting Other Stimulants in the Past Year
No	1.0		1.0
Yes	0.63	(0.26, 1.51)	0.61	(0.25, 1.51)
Number of Drugs Injected in the Past Year
1	1.0		1.0
2+	0.68	(0.35, 1.31)	0.68	(0.33, 1.38)
Crack Cocaine Use in the Past Year
No	1.0		1.0
Yes	2.14	(1.07, 4.31)	2.18	(1.10, 4.33)

^aOdds ratio is adjusted for age, sex, race/ethnicity, education attainment, and survey year.