Table 3

 Associations of age, number of reported sexual partners and frequency of sexual practices in the preceding month, with a diagnosis of urethral Chlamydia trachomatis and Neisseria gonorrhoeae

C trachomatisN gonorrhoeae
n (%)OR (95% CI), p valueAdjusted OR (95% CI),p value*n (%)OR (95% CI), p valueAdjusted OR (95% CI),p value*
*Adjusted OR is adjusted for all other risk factors in this column.
Age (years)
p = 0.33p = 0.09p = 0.083p = 0.053
    18–299/165 (5.5)1116/165 (9.7)11
    30–3912/303 (4.0)0.71 (0.29 to 1.73)0.66 (0.27 to 1.64)22/303 (7.3)0.73 (0.37 to 1.43)0.73 (0.33 to 1.62)
    40–805/131 (3.8)0.69 (0.22 to 2.10)0.59 (0.19 to 1.85)5/131 (3.8)0.37 (0.13 to 1.04)0.37 (0.11 to 1.21)
Number of sexual partners in the previous month
p = 0.74p = 0.74p = 0.19p = 0.29
    0–17/206 (2.4)1111/206 (5.3)11
    2–515/238 (6.3)1.91 (0.76 to 4.79)1.69 (0.64 to 4.44)19/238 (8.0)1.54 (0.71 to 3.31)1.44 (0.58 to 3.58)
    >54/121 (3.3)0.97 (0.28 to 3.39)1.17 (0.31 to 4.45)10/121 (8.3)1.60 (0.66 to 3.88)1.71 (0.62 to 4.79)
Number of sexual practices in the previous month
    Unprotected receptive oral intercourse
p = 0.46p = 0.61p = 0.03p = 0.058
    0–26/148 (4.1)113/148 (2.0)11
    3–916/184 (8.7)2.25 (0.86 to 5.91)1.90 (0.69 to 5.23)15/184 (8.2)4.29 (1.22 to 15.1)3.02 (0.82 to 11.1)
    >94/187 (2.1)0.52 (0.14 to 1.87)0.42 (0.10 to 1.71)16/187 (8.6)4.52 (1.29 to 15.8)2.84 (0.75 to 10.8)
    Unprotected insertive anal intercourse
p = 0.57p = 0.24p = 0.001p = 0.24
    018/419 (4.3)1118/419 (4.3)11
    1–46/95 (6.3)1.50 (0.58 to 3.89)1.70 (0.64 to 4.55)15/95 (15.8)4.18 (2.02 to 8.63)3.53 (1.60 to 7.83)
    >42/47 (4.3)0.99 (0.22 to 4.41)1.68 (0.34 to 8.34)4/47 (8.5)2.07 (0.67 to 6.40)1.78 (0.54 to 5.88)