Risk factors for rectal gonorrhoea among men who have sex with men
| Risk factors* | Number of individuals, n (%) | Rectal gonorrhoea positive, n (%) | Crude OR (95% CI) | p Value | Adjusted OR (95% CI) | p Value |
|---|---|---|---|---|---|---|
| Age | ||||||
| ≤24 | 313 (23.9%) | 20 (6.4%) | 4.39 (1.74 to 11.07) | 0.002 | 4.93 (1.83 to 13.27) | 0.002 |
| 25–34 | 607 (46.3%) | 30 (4.9%) | 3.34 (1.38 to 8.11) | 0.008 | 3.63 (1.43 to 9.24) | 0.007 |
| ≥35 | 392 (29.9%) | 6 (1.5%) | 1 | Ref | 1 | Ref |
| Receptive rimming | ||||||
| Yes | 925 (70.5%) | 44 (4.8%) | 1.56 (0.82 to 2.99) | 0.179 | ||
| No | 387 (29.5%) | 12 (3.1%) | 1 | Ref | ||
| Receptive fingering/penis dipping | ||||||
| Yes | 1106 (84.3%) | 51 (4.6%) | 1.94 (0.77 to 4.93) | 0.162 | ||
| No | 206 (15.7%) | 5 (2.4%) | 1 | Ref | ||
| Use of partner's saliva as a lubricant for anal sex | ||||||
| Yes | 899 (68.5%) | 47 (5.2%) | 2.48 (1.20 to 5.10) | 0.014 | 2.17 (1.00 to 4.71) | 0.050 |
| No | 413 (31.5%) | 9 (2.2%) | 1 | Ref | 1 | Ref |
| Condom use for RAI | ||||||
| Not always condom use | 572 (45.4%) | 39 (6.8%) | 3.07 (1.70 to 5.56) | <0.001 | 2.66 (1.42 to 4.97) | 0.002 |
| Always condom use/no RAI | 688 (54.6%) | 16 (2.3%) | 1 | Ref | 1 | Ref |
| Number of male partners | ||||||
| None | 53 (4.0%) | 1 (1.89%) | 1 | Ref | ||
| 1–3 | 662 (50.5%) | 20 (3.02%) | 1.62 (0.21 to 12.31) | 0.641 | ||
| ≥4 | 597 (45.5%) | 35 (5.86%) | 3.24 (0.43 to 24.12) | 0.251 | ||
| Pharyngeal gonorrhoea | ||||||
| Positive | 22 (1.7%) | 8 (36.4%) | 14.91 (5.96 to 37.26) | <0.001 | 17.31 (6.29 to 47.63) | <0.001 |
| Negative | 1273 (98.3%) | 47 (3.7%) | 1 | Ref | 1 | Ref |
| HIV serostatus | ||||||
| Positive | 33 (2.5%) | 6 (18.2%) | 5.46 (2.16 to 13.83) | <0.001 | 6.23 (2.27 to 17.10) | <0.001 |
| Negative | 1279 (97.5%) | 50 (3.9%) | 1 | Ref | 1 | Ref |
*All sexual behavioural data were measured in the last three months prior to the survey. RAI, receptive anal intercourse.