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Table 2 Bivariate and multivariable GEE analyses of factors associated with unprotected sex in L6Ma (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
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 L6Ma   
 (yes vs. no) 1.16 (1.02-1.32)* 1.15 (0.99-1.33)
Any crystal meth use in L6Ma,b   
 (yes vs. no) 1.20 (1.03-1.40)* 1.21 (1.03-1.43)*
Any cocaine use in L6Ma,b   
 (yes vs. no) 1.43 (1.24-1.64)*** 1.20 (1.02-1.41)*
Any heroin use in L6Ma,b   
 (yes vs. no) 0.90 (0.77-1.05)  
Any crack use in L6Ma,b   
 (yes vs. no) 1.07 (0.94-1.23)  
Any marijuana use in L6Ma   
 (yes vs. no) 1.37 (1.17-1.60)*** 1.23 (1.02-1.49)*
Any ecstasy use in L6Ma   
 (yes vs. no) 1.41 (1.19-1.67)*** 1.23 (1.01-1.48)*
Any alcohol use in L6Ma   
 (yes vs. no) 1.45 (1.26-1.68)*** 1.31 (1.11-1.55)**
Binge drug use in L6Ma,b   
 (yes vs. no) 1.13 (0.99-1.30)  
Injection drug use in L6Ma   
 (yes vs. no) 1.00 (0.85-1.16)  
Multiple sex partners in L6Ma   
 (>1 vs. ≤ 1) 1.86 (1.60-2.17)*** 2.60 (2.18-3.10)***
Sex work in L6Ma   
 (yes vs. no) 1.19 (0.92-1.55)  
  1. Notes:
  2. a‘L6M’ refers to behaviours and activities occurring in the last six months
  3. bRefers to injection or non-injection use
  4. *significant at p < 0.05; ** significant at p < 0.005; *** significant at p < 0.001