Table 2.

Bivariate and multivariate logistic regression analyses of factors associated with knowledge of THN

Characteristics	Unadjusted		Adjusted
	Odds ratio (95% CI)	p value	Odds ratio (95% CI)	p value
Age (per year younger)	1.06 (0.94–1.20)	0.352	1.05 (0.88–1.26)	0.587
Gender (male vs. female)	0.57 (0.28–1.14)	0.119	0.61 (0.24–1.49)	0.283
White ethnicity (yes vs. no)	2.74 (1.41–5.43)	0.003	2.36 (1.02–5.61)	0.047
Downtown Eastside residencea (yes vs. no)	0.94 (0.46–1.99)	0.863	0.43 (0.15–1.19)	0.108
Ever homeless (yes vs. no)	2.83 (1.09–7.38)	0.031	1.99 (0.54–7.34)	0.297
High school completion (yes vs. no)	0.82 (0.43–1.57)	0.551	0.94 (0.40–2.20)	0.883
Employmenta (yes vs. no)	0.79 (0.38–1.69)	0.534	0.91 (0.36–2.37)	0.842
Incarcerationa (yes vs. no)	2.43 (0.87–8.67)	0.120	1.84 (0.50–8.08)	0.380
Daily heroin usea (yes vs. no)	4.02 (1.70–11.17)	0.003	2.37 (0.73–9.03)	1.171
Daily cocaine or crack usea (yes vs. no)	0.25 (0.06–0.90)	0.036	0.09 (0.01–0.59)	0.016
Daily methamphetamine usea (yes vs. no)	1.35 (0.65–2.95)	0.433	0.70 (0.26–1.90)	0.477
Daily use of prescription opioidsa (yes vs. no)	2.11 (0.53–14.07)	0.346	1.38 (0.17–18.75)	0.784
Public injectinga (yes vs. no)	6.09 (2.69–15.72)	< 0.001	5.61 (1.90–19.12)	0.003
Ever overdosed (yes vs. no)	1.41 (0.73–2.77)	0.314	0.76 (0.32–1.76)	0.522
Unable to access addiction treatmenta (yes vs. no)	3.29 (1.20–11.58)	0.035	3.41 (1.02-14.10)	0.062
Drug or alcohol treatmenta (yes vs. no)	2.00 (1.03–3.91)	0.041	1.71 (0.71–4.19)	0.235

CI confidence interval

^aIn the last 6 months