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Table 1 Baseline characteristicsa of street-involved youth in Vancouver stratified by unprotected sex in L6M,b 2005-2013 (n = 1,026)

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

Characteristic Total (%) (n = 1,026) Unprotected Sex in L6Mb Odds Ratio (95 % CI)
Yes (%) (n = 590) No (%) (n = 436)
Female gender     
 (yes vs. no) 327 (31.87) 213 (36.10) 114 (26.15) 1.60 (1.22-2.09)**
Age     
 (≥median vs. <median) 624 (60.82) 354 (60.00) 270 (61.93) 0.92 (0.72-1.19)
Caucasian ancestry     
 (yes vs. no) 698 (68.03) 420 (71.19) 278 (63.76) 1.40 (1.08-1.83)*
Stable relationship     
 (yes vs. no) 296 (28.85) 224 (37.97) 72 (16.51) 3.16 (2.34-4.28)***
Homelessness in L6Mb     
 (yes vs. no) 752 (73.29) 451 (76.44) 301 (69.04) 1.49 (1.12-1.97)*
Any crystal meth use in L6Mb,c     
 (yes vs. no) 461 (44.93) 276 (46.78) 185 (42.43) 1.17 (0.91-1.50)
Any cocaine use in L6Mb,c     
 (yes vs. no) 506 (49.32) 312 (52.88) 194 (44.50) 1.38 (1.07-1.77)*
Any heroin use in L6Mb,c     
 (yes vs. no) 358 (34.89) 198 (33.56) 160 (36.70) 0.87 (0.67-1.13)
Any crack use in L6Mb,c     
 (yes vs. no) 611 (59.55) 357 (60.51) 254 (58.26) 1.08 (0.84-1.40)
Any marijuana use in L6Mb     
 (yes vs. no) 903 (88.01) 516 (87.46) 387 (88.76) 0.86 (0.58-1.27)
Any ecstasy use in L6Mb     
 (yes vs. no) 334 (32.55) 211 (35.76) 123 (28.21) 1.42 (1.09-1.86)*
Any alcohol use in L6Mb     
 (yes vs. no) 833 (81.19) 499 (84.58) 334 (76.61) 1.66 (1.21-2.28)**
Binge drug use in L6Mb,c     
 (yes vs. no) 433 (42.20) 265 (44.92) 168 (38.53) 1.30 (1.01-1.67)*
Injection drug use in L6Mb     
 (yes vs. no) 306 (29.82) 173 (29.32) 133 (30.50) 0.94 (0.72-1.23)
Multiple sex partners in L6Mb     
 (>1 vs. ≤1) 558 (54.39) 371 (62.88) 187 (42.89) 2.26 (1.75-2.91)***
Sex work in L6Mb     
 (yes vs. no) 108 (10.53) 66 (11.19) 42 (9.63) 1.18 (0.79-1.78)
  1. Notes:
  2. aCharacteristics for all participants were measured from the first study visit
  3. b‘L6M’ refers to behaviours and activities occurring in the last six months
  4. cRefers to injection or non-injection use
  5. * significant at p < 0.05; ** significant at p < 0.005; *** significant at p < 0.001