Self-identified HIV exposure categories among LHIV-Manitoba cohort participants, by sex
| Male* (N=634) | Female* (N=256) | Total (N=890) | P value | ||||
| n | % | n | % | n | % | ||
| Condomless anal sex between males+injection drug use | 28 | 4.4 | – | – | 28 | 3.1 | – |
| Condomless anal sex between males | 302 | 47.6 | – | – | 302 | 33.9 | – |
| Recipient of blood/blood product | 3 | 1.0 | – | – | 3 | 0.3 | |
| Condomless vaginal sex | 50 | 16.6 | – | – | 50 | 5.6 | |
| Possible exposure in an HIV-endemic country† | 5 | 1.7 | – | – | 5 | 0.6 | |
| Occupational exposure | 2 | 0.7 | – | – | 2 | 0.2 | |
| Injection drug use | 126 | 19.9 | 67 | 26.2 | 193 | 21.7 | 0.039 |
| Recipient of blood/blood product | 5 | 4.0 | 2 | 3.0 | 7 | 0.8 | |
| Condomless vaginal sex | 80 | 63.5 | 56 | 83.6 | 136 | 15.3 | |
| Possible exposure in an HIV-endemic country† | 1 | 0.8 | 0 | 0 | 1 | 0.1 | |
| Occupational exposure | 1 | 0.8 | 1 | 1.5 | 2 | 0.2 | |
| Recipient of blood/blood product | 18 | 2.0 | 8 | 0.9 | 26 | 2.9 | 0.248 |
| Condomless vaginal sex | 11 | 61.1 | 6 | 75.0 | 17 | 1.9 | |
| Possible exposure in an HIV-endemic country† | 2 | 11.1 | 1 | 12.5 | 3 | 0.3 | |
| Occupational exposure | 1 | 5.6 | 2 | 25.0 | 3 | 0.3 | |
| Condomless vaginal sex | 331 | 52.2 | 237 | 92.5 | 568 | 63.8 | <0.001 |
| Possible exposure in an HIV-endemic country† | 35 | 10.6 | 40 | 15.6 | 75 | 8.4 | |
| Occupational exposure | 2 | 0.6 | 4 | 1.7 | 6 | 0.7 | |
| Occupational exposure | 5 | 0.8 | 4 | 1.6 | 9 | 1.0 | 0.285 |
| Possible exposure in an HIV-endemic country | 0 | 0 | 0 | 0 | 0 | 0 | |
| Possible perinatal acquisition | 1 | 0.2 | 0 | 0 | 1 | 0.1 | – |
| Possible exposure in an HIV-endemic country† | 1 | 100 | – | – | 1 | 0.1 | |
| Other/unknown | 16 | 2.5 | 7 | 2.7 | 23 | 2.6 | 0.864 |
| Number of potential HIV exposures recorded | |||||||
| 1 | 446 | 70.4 | 151 | 59.0 | 597 | 67.1 | <0.001 |
| 2 | 172 | 27.1 | 102 | 39.8 | 274 | 30.8 | |
| ≥3 | 16 | 2.5 | 3 | 1.2 | 19 | 2.1 | |
*Sum of categories exceeds total sample size because participants may have ≥1 HIV exposure category reported in clinical file.
†Possible exposure in an HIV-endemic country is never assigned as a primary exposure category, but is captured as an additional exposure category if an individual was born in, or spent considerable time living/working in an HIV-endemic country and experienced a potentially ‘risky’ event.