Table 2.

Univariate and multivariate analyses of factors associated with public drug use among crack cocaine smokers^a (n = 623)

	Univariate		Multivariate
Characteristic	ORb (95% CI)	p-valuec	AOR (95% CI)	p-value
Older Age
Per year older	0.96 (0.94 - 0.98)	<0.001	0.98 (0.96 - 1.00)	0.065
Gender
Female vs. Male	0.81 (0.58 - 1.12)	0.197
Aboriginal Ancestry
Yes vs. No	0.87 (0.63 - 1.22)	0.429
Limited Access to Private Space d
Yes vs. No	2.04 (1.39 - 2.99)	<0.001	1.49 (0.99 - 2.26)	0.058
Daily Cocaine Injection d
Yes vs. No	2.93 (1.39 - 6.17)	0.003	1.70 (0.77 - 3.75)	0.190
Daily Heroin Injection d
Yes vs. No	3.36 (2.10 - 5.38)	<0.001	1.95 (1.17 - 3.27)	0.011
Daily Crack Cocaine Smoking d
Yes vs. No	3.19 (2.26 - 4.49)	<0.001	2.17 (1.49 - 3.14)	<.001
Overdose (non-fatal)* d
Yes vs. No	3.92 (1.13 - 20.98)	0.020	2.04 (0.55 - 7.61)	0.288
Encounters with Police e
Yes vs. No	2.50 (1.64 - 3.81)	<0.001	1.69 (1.07 - 2.68)	0.025
Victim of Violence d
Yes vs. No	1.78 (1.12 - 2.80)	0.013	1.52 (0.92 - 2.51)	0.100
Sex Trade d
Yes vs. No	2.18 (1.26 - 3.75)	0.004	1.30 (0.72 - 2.38)	0.386
Drug Dealing d
Yes vs. No	2.74 (1.87 - 4.01)	<0.001	1.61 (1.06 - 2.47)	0.027

Note: ^a Public areas included: city streets, parks, public washrooms, parking lots, clubs or bars, and abandon buildings; ^bOR = Odds Ratio, CI = Confidence Interval; AOR = Adjusted Odds Ratio; ^cUnless otherwise stated, values are based on Pearson's chi-square test for categorical variables and Wilcoxon rank sum test for continuous variables with 1 degree of freedom; ^d Denotes activities or situations referring to previous 6 months; ^e Denotes activities or situations referring to previous month. *p-value and 95% CI reported from Fisher's Exact Test as 25% of cells had expected counts less than 5.