BMC Public Health

Table 2 Bivariate and multivariable GEE analyses of factors associated with unprotected sex in L6M^a (n = 1,026)

From: Substance use patterns and unprotected sex among street-involved youth in a Canadian setting: a prospective cohort study

Characteristic	Unadjusted	Adjusted
Characteristic	Odds Ratio (95 % CI)	Odds Ratio (95 % CI)
Female gender
(yes vs. no)	1.54 (1.25-1.90)***	1.46 (1.18-1.81)**
Age
(≥median vs. <median)	0.78 (0.64-0.95)*
Caucasian ancestry
(yes vs. no)	1.32 (1.08-1.61)*	1.38 (1.13-1.68)**
Stable relationship
(yes vs. no)	3.11 (2.63-3.68)***	4.64 (3.82-5.65)***
Homelessness in L6M^a
(yes vs. no)	1.16 (1.02-1.32)*	1.15 (0.99-1.33)
Any crystal meth use in L6M^a,b
(yes vs. no)	1.20 (1.03-1.40)*	1.21 (1.03-1.43)*
Any cocaine use in L6M^a,b
(yes vs. no)	1.43 (1.24-1.64)***	1.20 (1.02-1.41)*
Any heroin use in L6M^a,b
(yes vs. no)	0.90 (0.77-1.05)
Any crack use in L6M^a,b
(yes vs. no)	1.07 (0.94-1.23)
Any marijuana use in L6M^a
(yes vs. no)	1.37 (1.17-1.60)***	1.23 (1.02-1.49)*
Any ecstasy use in L6M^a
(yes vs. no)	1.41 (1.19-1.67)***	1.23 (1.01-1.48)*
Any alcohol use in L6M^a
(yes vs. no)	1.45 (1.26-1.68)***	1.31 (1.11-1.55)**
Binge drug use in L6M^a,b
(yes vs. no)	1.13 (0.99-1.30)
Injection drug use in L6M^a
(yes vs. no)	1.00 (0.85-1.16)
Multiple sex partners in L6M^a
(>1 vs. ≤ 1)	1.86 (1.60-2.17)***	2.60 (2.18-3.10)***
Sex work in L6M^a
(yes vs. no)	1.19 (0.92-1.55)

Notes:
^a‘L6M’ refers to behaviours and activities occurring in the last six months
^bRefers to injection or non-injection use
*significant at p < 0.05; ** significant at p < 0.005; *** significant at p < 0.001

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