Associations of age, number of reported sexual partners and frequency of sexual practices in the preceding month with a diagnosis of rectal Chlamydia trachomatis and Neisseria gonorrhoeae
| C trachomatis | N gonorrhoeae | |||||
|---|---|---|---|---|---|---|
| n (%) | OR (95% CI),p value | Adjusted OR (95% CI), p value* | n (%) | OR (95% CI),p value | Adjusted OR (95% CI), p value* | |
| *Adjusted OR is adjusted for all other risk factors in this column. | ||||||
| Age (years) | ||||||
| p = 0.60 | p = 0.65 | p = 0.001 | p = 0.002 | |||
| 18–29 | 8/165 (4.9) | 1 | 1 | 19/165 (11.5) | 1 | 1 |
| 30–39 | 24/303 (7.9) | 1.69 (0.74 to 3.85) | 1.64 (0.66 to 4.06) | 22/303 (7.3) | 0.60 (0.32 to 1.15) | 0.57 (0.27 to 1.19) |
| 40–80 | 7/131 (5.3) | 1.11 (0.39 to 3.14) | 1.28 (0.42 to 3.88) | 3/131 (2.3) | 0.18 (0.05 to 0.62) | 0.18 (0.05 to 0.64) |
| Number of sexual partners in the previous month: | ||||||
| p = 0.41 | p = 0.87 | p = 0.06 | p = 0.27 | |||
| 0–1 | 12/206 (5.8) | 1 | 1 | 9/206 (4.4) | 1 | 1 |
| 2–5 | 14/238 (5.9) | 1.01 (0.46 to 2.24) | 1.27 (0.52 to 3.07) | 17/238 (7.1) | 1.68 (0.73 to 3.86) | 1.63 (0.66 to 4.02) |
| >5 | 11/121 (9.1) | 1.62 (0.69 to 3.79) | 1.57 (0.59 to 4.16) | 15/121 (12.4) | 3.10 (1.31 to 7.32) | 3.37 (1.27 to 8.94) |
| Number of sexual practices in the previous month: | ||||||
| Unprotected receptive anal intercourse | ||||||
| p = 0.003 | p = 0.03 | p = 0.002 | p = 0.12 | |||
| 0 | 20/420 (4.8) | 1 | 1 | 21/420 (5.0) | 1 | 1 |
| 1–4 | 12/97 (12.4) | 2.82 (1.33 to 6.00) | 2.71 (1.24 to 5.94) | 14/97 (14.4) | 3.20 (1.57 to 6.56) | 2.67 (1.27 to 5.63) |
| >4 | 4/43 (9.3) | 2.05 (0.67 to 6.30) | 1.87 (0.56 to 6.19) | 5/43 (11.6) | 2.50 (0.89 to 7.01) | 1.88 (0.56 to 6.28) |
| Unprotected receptive oro-anal intercourse | ||||||
| p = 0.03 | p = 0.26 | p = 0.02 | p = 0.65 | |||
| 0 | 8/237 (3.4) | 1 | 1 | 8/237 (3.4) | 1 | 1 |
| 1–4 | 18/210 (8.6) | 2.68 (1.14 to 6.31) | 2.28 (0.90 to 5.76) | 21/210 (10.0) | 3.18 (1.38 to 7.34) | 2.21 (0.92 to 5.27) |
| >4 | 10/109 (9.2) | 2.89 (1.11 to 7.54) | 2.40 (0.81 to 7.11) | 9/109 (8.3) | 2.58 (0.97 to 6.87) | 1.42 (0.48 to 4.19) |