Table 4.
Bivariate associations between partnership characteristics and sexual behaviors within casual and anonymous sexual partnerships while in the two most recently visited countries in the previous 12 months, of men who have sex with men who travel internationally, San Francisco Bay Area, 2009–2011 (N=800 partnerships)
| Casual Partnerships | ||||||
| CAI | CIAI | CRAI | ||||
| % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | |
| HIV seroconcordancy | ||||||
| Concordant | 21.9 | Reference | 17.5 | Reference | 11.8 | Reference |
| Discordant or Unknown | 22.1 | 1.0 (0.4, 2.4) | 13.0 | 0.7 (0.2, 2.0) | 19.4 | 1.8 (0.7, 4.7) |
| Venue type where partner met | ||||||
| Bar or nightclub | 15.7 | Reference | 14.9 | Reference | 1.1 | Reference |
| Internet | 18.6 | 1.2 (0.4,3.5) | 14.1 | 0.9 (0.3,2.7) | 9.6 | 9.6 (2.1,44.7) |
| Sex club or bathhouse | 43.1 | 4.1 (0.6,26.4) | 7.0 | 0.4 (0.1,2.4) | 36.1 | 51.0 (6.2,420.8) |
| Introduced by friends | 11.8 | 0.7 (0.2,3.0) | 9.2 | 0.6 (0.1,2.4) | 7.7 | 7.5 (1.3,42.2) |
| Street or park or public venue | 40.2 | 3.6 (0.9,13.8) | 17.7 | 1.2 (0.2,6.8) | 36.3 | 51.5 (11.6,227.8) |
| Other | 27.2 | 2.0 (0.5,8.3) | 24.9 | 1.9 (0.4,8.4) | 25.4 | 30.8 (6.5,146.9) |
| HIV Status Disclosure | ||||||
| Yes | 27.0 | Reference | 19.8 | Reference | 13.0 | Reference |
| No | 15.3 | 0.5 (0.2,1.2) | 10.3 | 0.5 (0.2, 1.4) | 13.2 | 0.8 (0.3, 2.1) |
| Partner HIV Status Known | ||||||
| Yes | 25.6 | Reference | 19.4 | Reference | 16.4 | Reference |
| No | 10.0 | 0.3 (0.1, 1.0) | 3.8 | 0.2 (0.0, 0.8) | 9.5 | 0.5 (0.2, 1.7) |
| Anonymous Partnerships | ||||||
| CAI | CIAI | CRAI | ||||
| % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | |
| HIV seroconcordancy | ||||||
| Concordant | 21.0 | Reference | 10.3 | Reference | 14.3 | Reference |
| Discordant or Unknown | 7.1 | 0.3 (0.1, 0.8) | 5.4 | 0.5 (0.2, 1.6) | 2.1 | 0.1 (0, 0.4) |
| Venue type where partner met | ||||||
| Bar or nightclub | 8.2 | Reference | 4.7 | Reference | 3.5 | Reference |
| Internet | 20.2 | 2.8 (0.8,10.7) | 8.4 | 1.9 (0.4,9.7) | 13.9 | 4.5 (0.9,23.7) |
| Sex club or bathhouse | 7.8 | 0.9 (0.3,3.0) | 6.3 | 1.4 (0.3,5.9) | 3.0 | 0.8 (0.2,4.0) |
| Introduced by friends | 0 | 0 | 0 | 0 | 0 | 0 |
| Street or park or public venue | 16.5 | 2.2 (0.6,7.5) | 12.8 | 3.0 (0.7,13.2) | 4.1 | 1.2 (0.2,6.4) |
| Other | 7.3 | 0.9 (0.2,3.9) | 4.7 | 1.0 (0.2,5.6) | 3.6 | 1.0 (0.1,8.7) |
| HIV Status Disclosure | ||||||
| Yes | 17.3 | Reference | 6.0 | Reference | 14.0 | Reference |
| No | 8.3 | 0.4 (0.2,1.2) | 6.8 | 1.2 (0.4, 3.6) | 2.2 | 0.1 (0.0, 0.4) |
| Partner HIV Status Known | ||||||
| Yes | 19.4 | Reference | 9.7 | Reference | 13.0 | Reference |
| No | 7.2 | 0.3 (0.1, 0.9) | 5.4 | 0.5 (0.2, 1.7) | 2.1 | 0.1 (0.0, 0.5) |
CAI: any condomless anal intercourse
CIAI: condomless insertive anal intercourse
CRAI: condomless receptive anal intercourse