Table 3 Weighted prevalences for risk factors for HIV infection by time in Canada
Risk factors | 0-5 year (n = 45) | >5 to 15 years (n = 51) | >15 years (n = 57) | Canadian-born (n = 29) | P-value |
|---|---|---|---|---|---|
| Â | wPrev (95% CI) | wPrev (95% CI) | wPrev (95% CI) | wPrev (95% CI) | Â |
Factors associated with exposure to HIV | Â | Â | Â | Â | Â |
Age of sexual debut | Â | Â | Â | Â | 0.070a |
  Never had sex | 26.7 (14.5, 43.8) | 21.8 (8.4, 45.7) | 3.7 (1.1, 12.2) | 6.9 (1.9, 21.9) |  |
  12 years old or younger | 9.3 (2.2, 32.2) | 1.3 (0.2, 9.3) | 13.4 (4.3, 34.5) | 5.3 (1.0, 23.4) |  |
  13 to 15 years old | 8.6 (3.0, 22.4) | 8.3 (3.1, 20.2) | 10.3 (3.3, 27.7) | 17.1 (7.1, 36.0) |  |
  16 to 18 years old | 32.7 (17.4, 52.7) | 17.8 (8.5, 33.5) | 37.7 (23.6, 54.3) | 31.3 (14.8, 54.4) |  |
  19+ years old | 19.3 (10.4, 33.1) | 44.4 (22.8, 68.2) | 22.4 (12.8, 36.3) | 37.6 (18.2, 62.0) |  |
Engaged in transactional sex | —— | 3.0 (0.7, 11.8) | 1.3 (0.2, 8.5) | 8.5 (2.3, 26.6) | 0.425b |
History of forced/unwanted sex | 11.5 (4.3, 27.4) | 9.4 (3.7, 21.7) | 16.0 (8.5, 27.9) | 58.5 (37.2, 77.0) | <0.001 a * |
Had a sexual partner who injected drugs | —— | —— | 1.0 (0.1, 8.0) | 11.0 (3.7, 28.8) | 0.113b |
Factors associated HIV exposure and transmission | Â | Â | Â | Â | Â |
Ever test for HIV | 76.1 (60.4, 86.9) | 60.1 (37.8, 78.8) | 41.5 (26.6, 58.2) | 72.0 (51.5, 86.1) | 0.131a |
HIV test in Canada, past year | 21.0 (11.5, 35.0) | 15.0 (7.4, 28.0) | 17.7 (7.6, 36.0) | 7.4 (2.1, 22.6) | 0.551a |
Shared drug use equipment | —— | —— | —— | 4.2 (0.8, 19.5) | 0.392b |
Abstinence, lifetime | 26.7 (14.5, 43.8) | 21.8 (8.4, 45.7) | 3.7 (1.1, 12.2) | 6.9 (1.9, 21.9) | 0.001 a * |
Abstinence, past year | 52.0 (34.6, 69.0) | 32.9 (16.2, 55.4) | 20.4 (10.5, 36.0) | 10.0 (3.4, 25.9) | 0.011 a * |
Unprotected sex, cohabiting regular partner, past year | 28.7 (16.0, 46.1) | 51.6 (29.7, 72.9) | 67.0 (49.6, 80.7) | 44.9 (25.4, 66.2) | 0.090a |
Unprotected sex, non-cohabiting regular partner, past year | 17.5 (8.0, 34.0) | 43.4 (22.0, 67.5) | 54.1 (37.7, 69.7) | 38.1 (20.6, 59.3) | 0.101a |
Unprotected sex during last intercourse, regular partner | 20.1 (10.2, 35.7) | 50.3 (28.5, 72.1) | 55.1 (38.6, 70.6) | 25.8 (12.5, 45.9) | 0.027 a * |
Unprotected sex, casual partner, past year | 3.5 (0.8, 13.4) | 2.2 (0.4, 10.7) | 15.1 (5.5, 35.2) | 5.5 (1.3, 20.0) | 0.056 a |
Unprotected sex during last intercourse, casual partner | —— | 25.2 (7.3, 59.2) | 10.3 (2.9, 30.3) | 5.5 (1.3, 20.0) | 0.066 b |
Never using condom, past year | 20.6 (10.5, 36.6) | 31.1 (17.9, 48.3) | 50.8 (34.0, 67.5) | 43.6 (23.5, 66.0) | 0.103a |
Ever mixed sex with drugs or alcohol | 14.3 (6.7, 28.0) | 19.8 (9.8, 36.0) | 43.6 (28.2, 60.4) | 63.9 (40.4, 82.1) | 0.001 a * |
Non-monogamous sexual partnership, past year | 15.7 (5.7, 36.7) | 7.3 (2.2, 21.2) | 18.1 (7.7, 37.2) | 16.5 (6.5, 36.0) | 0.644a |
History of sexually transmitted infections | 6.1 (2.0, 17.1) | 13.3 (5.7, 28.2) | 31.4 (17.7, 49.3) | 42.3 (23.1, 64.1) | 0.032 a * |
Number of sex partners, lifetime | Â | Â | Â | Â | 0.021 b * |
  None | 26.7 (14.5, 43.8) | 21.8 (8.4, 45.7) | 3.7 (1.1, 12.2) | 6.9 (1.9, 21.9) |  |
  1 | 1.1 (0.1, 9.8) | 24.2 (6.7, 58.6) | 9.2 (4.0, 19.4) | —— |  |
  2 to 4 | 24.3 (13.5, 39.7) | 21.9 (11.2, 38.5) | 20.7 (11.3, 35.0) | 6.6 (1.8, 21,5) |  |
  5 to 9 | 22.7 (10.0, 43.8) | 8.5 (3.3, 20.4) | 26.0 (13.4, 44.2) | 23.4 (9.2, 48.1) |  |
  10 to 19 | 3.3 (0.8, 13.2) | 8.1 (2.5, 23.3) | 8.6 (3.2, 21.2) | 34.3 (15.9, 59.1) |  |
  20 or more | 7.9 (1.5, 32.4) | 3.5 (0.9, 12.6) | 18.3 (7.8, 37.3) | 14.4 (5.5, 32.6) |  |
Number of sex partners, past year | Â | Â | Â | Â | 0.003 a * |
  0 | 52.0 (34.6, 69.0) | 32.9 (16.2, 55.4) | 20.4 (10.5, 36.0) | 10.0 (3.4, 25.9) |  |
  1 | 27.4 (15.3, 44.2) | 24.8 (13.0, 42.2) | 47.1 (31.4, 63.3) | 56.9 (34.6, 76.8) |  |
  2 | 10.1 (2.6, 32.2) | 35.0 (14.7, 62.8) | 18.3 (8.5, 34.9) | 3.9 (0.7, 17.8) |  |
  3 or more | 6.8 (2.0, 20.7) | 4.2 (0.8, 20.2) | 12.4 (4.3, 31.2) | 29.2 (12.2, 55.0) |  |