Characteristics of MSM enrolled (n=508) and not enrolled (n=47)
| Characteristic | Enrolled | Not enrolled | OR | 95% CI | P value |
| Mean age (years) | 33.2 | 38.2 | N/A | N/A | 0.0030 |
| HIV-positive n (%) | 30 (5.9) | 13 (27.7) | 0.2 | 0.1 to 0.4 | <0.0001 |
| CD4 Mean (median) | 775 (791) | 862 (751) | N/A | N/A | 0.3798 |
| On PrEP n (%) | 169 (33.3) | 15 (31.9) | 1.1 | 0.6 to 2.0 | 0.8506 |
| Urethral symptoms n (%) | 36 (7.1) | 2 (4.3) | 1.7 | 0.4 to 7.4 | 0.4625 |
| Anorectal symptoms n (%) | 12 (2.4) | 1 (2.1) | 1.1 | 0.1 to 8.8 | 0.9191 |
| CT/NG urethral n (%) | 25 (4.9) | 2 (4.3) | 1.2 | 0.3 to 5.1 | 0.8393 |
| CT/NG anorectal n (%) | 67 (13.2) | 7 (15.2) | 0.9 | 0.4 to 2.0 | 0.6988 |
CD4, CD4 cells/µL; CT/NG anorectal, Chlamydia trachomatis and/or Neisseria gonorrhoeae anorectal infection; CT/NG urethral, Chlamydia trachomatis and/or Neisseria gonorrhoeae urethral infection; MSM, men who have sex with men; N/A, not available; PrEP, HIV pre-exposure prophylaxis.