|  | Lifetime reported single substance user (n = 945) | Lifetime reported multiple sbstance user (n = 405) | ||||
---|---|---|---|---|---|---|---|
 |  | AOR | 95% C.I. | P-value | AOR | 95% C.I. | P-value |
Age group | 14–19 | 1 |  |  | 1 |  |  |
 | 20–29 | 1.60 | 1.07–2.40 | .023 | 1.53 | 0.85–2.77 | .160 |
 | 30–39 | 2.12 | 1.38–3.25 | .001 | 2.62 | 1.41–4.86 | .002 |
 | 40+ | 1.02 | 0.62–1.67 | .944 | 1.16 | 0.57–2.38 | .679 |
Education level | No University degree | 1 | Â | Â | 1 | Â | Â |
 | University degree | 0.74 | 0.56–0.94 | .012 | 0.66 | 0.48–0.89 | .007 |
Sexual orientation | Gay | 1 | Â | Â | 1 | Â | Â |
 | Bisexual | 0.81 | 0.62–1.06 | .120 | 1.00 | 0.68–1.46 | .985 |
 | Other | 0.62 | 0.42–0.92 | .016 | 1.19 | 0.72–1.98 | .502 |
Currently have a casual sex partner | No | 1 | Â | Â | 1 | Â | Â |
 | Yes | 1.24 | 0.96–1.60 | .104 | 2.57 | 1.84–3.59 | .000 |
Depression | No | 1 | Â | Â | 1 | Â | Â |
 | Yes | 1.12 | 0.84–1.50 | .447 | 2.27 | 1.58–3.27 | .000 |
HIV status | Negative | 1 | Â | Â | 1 | Â | Â |
 | Positive | 2.91 | 0.92–9.21 | .070 | 7.78 | 2.33–25.93 | .001 |
UAI in the previous 6 months | No anal intercourse | 1 | Â | Â | 1 | Â | Â |
 | Protected | 1.57 | 0.95–2.58 | .078 | 1.20 | 0.56–2.56 | .634 |
 | Unprotected | 2.53 | 1.53–4.17 | .000 | 2.42 | 1.14–5.16 | .022 |
Number of sex partners in the previous 6 months | 0 | 1 | Â | Â | 1 | Â | Â |
 | 1 | 0.82 | 0.54–1.25 | .360 | 1.08 | 0.59–1.98 | .804 |
 | 2–3 | 1.04 | 0.68–1.58 | .864 | 1.06 | 0.59–1.92 | .838 |
 | 4–5 | 1.44 | 0.90–2.29 | .127 | 1.22 | 0.65–2.30 | .543 |
 | 6+ | 1.67 | 1.05–2.67 | .031 | 2.13 | 1.15–3.95 | .016 |
Sex club in the previous 6 months | No | 1.00 | Â | Â | 1 | Â | Â |
 | Yes | 1.64 | 1.29–2.09 | .000 | 2.00 | 1.44–2.80 | .000 |
Gay venue in the previous 6 months | No | 1.00 | Â | Â | 1 | Â | Â |
 | Yes | 1.65 | 1.32–2.01 | .000 | 2.56 | 1.78–3.39 | .000 |
Tested for HIV within the past year | No | 1 | Â | Â | 1 | Â | Â |
 | Yes | 1.42 | 1.08–1.88 | .013 | 1.78 | 1.25–2.54 | .001 |
HIV/STI knowledge score | 0–4 | 1 |  |  | 1 |  |  |
 | 5(full score) | 1.22 | 0.98–1.52 | .081 | 1.59 | 1.18–2.16 | .003 |