Demographics and sexual characteristics comparing male patients who had type specific serology (cases) with controls (those who did not have serology)
| Cases | Controls | Crude OR | Adjusted OR* | |||
|---|---|---|---|---|---|---|
| No | (%) | No | (%) | (95% CI) | (95% CI) | |
| *Excluding 29 patients (6 cases and 23 controls) whose sexual orientation was not recorded. | ||||||
| Age | ||||||
| Median (range) | 35 | (18–80) | 31 | (17–81) | ||
| 17–19 | 4 | (0.8) | 20 | (4.0) | 1 | 1 |
| 20–24 | 54 | (10.8) | 75 | (14.0) | 3.60 (1.16 to 11.13) | 2.80 (0.87 to 8.85) |
| 25–29 | 92 | (18.2) | 115 | (22.8) | 4.00 (1.32 to 12.11) | 2.72 (0.88 to 8.41) |
| 30–34 | 101 | (20.1) | 104 | (20.6) | 4.86 (1.60 to 14.70) | 3.15 (1.01 to 9.75) |
| 35–39 | 86 | (17.1) | 64 | (12.7) | 6.72 (2.19 to 20.61) | 4.58 (1.45 to 14.42) |
| 40–44 | 67 | (13.3) | 38 | (7.5) | 8.81 (2.81 to 27.70) | 5.92 (1.83 to 19.17) |
| >45 | 98 | (19.5) | 89 | (17.6) | 5.51 (1.81 to 16.72) | 3.87 (1.24 to 12.08) |
| χ2 = 28.35 | p<0.0001 | ptrend<0.0001 | ptrend = 0.013 | |||
| Sexual orientation* | ||||||
| Heterosexual | 469 | (94.6) | 417 | (86.3) | 1 | 1 |
| Homosexual | 9 | (1.8) | 29 | (6.0) | 0.28 (0.13 to 0.59) | 0.32 (0.15 to 0.72) |
| Bisexual | 18 | (3.6) | 37 | (7.7) | 0.43 (0.24 to 0.77) | 0.39 (0.21 to 0.75) |
| χ2 = 19.97 | p<0.0001 | p<0.0001 | p<0.001 | |||
| HIV status | ||||||
| Never test | 55 | (11.2) | 79 | (16.6) | 1 | 1 |
| Negative | 431 | (87.4) | 385 | (81.2) | 1.61 (1.11 to 2.33) | 1.78 (1.19 to 2.66) |
| Positive | 7 | (1.14) | 10 | (2.1) | 1.01 (0.36 to 2.80) | 2.57 (0.82 to 8.05) |
| χ2 = 7.05 | p<0.03 | p<0.03 | p<0.002 | |||
| Had genital herpes | ||||||
| No | 392 | (78.1) | 489 | (96.6) | 1 | 1 |
| Yes | 110 | (21.9) | 17 | (3.4) | 8.07 (4.76 to 13.67) | 6.69 (3.90 to 11.46) |
| χ2 = 78.77 | p<0.0001 | p<0.0001 | p<0.0001 | |||
| Had non-gonococcal urethritis | ||||||
| No | 419 | (83.5) | 468 | (92.5) | 1 | 1 |
| Yes | 83 | (16.5) | 38 | (7.5) | 2.44 (1.63 to 3.66) | 1.96 (1.27 to 3.04) |
| p<0.002 | ||||||