Table 2

 Associations of age, number of reported sexual partners and frequency of sexual practices in the preceding month, with a diagnosis of pharyngeal 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*
NA, not available.
*Adjusted OR is adjusted for all other risk factors in this column.
†Adjusted OR not tested, as numbers of people with infection were too small.
Age (years)
p = 0.48p = 0.06p = 0.11
    18–293/165 (1.8)116/165 (9.7)11
    30–394/303 (1.3)0.72 (0.16 to 3.27)NA18/303 (5.9)0.59 (0.29 to 1.19)0.61 (0.28 to 1.34)
    40–800/131 (0)N/AN/A10/131 (7.6)0.77 (0.34 to 1.76)0.80 (0.32 to 2.02)
Number of sexual partners in the previous month
p = 0.41p = 0.13p = 0.95
    0–13/206 (1.5)112/206 (5.8)11
    2–54/238 (1.7)1.16 (0.26 to 5.23)NA17/238 (7.1)1.24 (0.58 to 2.67)0.92 (0.40 to 2.11)
    >50/121 (0)NANA12/121 (9.9)1.78 (0.77 to 4.10)1.03 (0.41 to 2.61)
Number of sexual practices in the previous month
    Unprotected insertive oral intercourse
p = 0.33p<0.001p = 0.005
    0–21/165 (0.6)13/165 (1.8)11
    3–90/179 (0)NANA12/179 (6.7)3.88 (1.08 to 14.0)3.90 (1.03 to 14.7)
    >93/184 (1.6)2.72 (0.28 to 26.4)NA24/184 (13.0)8.10 (2.39 to 27.4)8.18 (2.21 to 30.3)
    Unprotected active oro-anal intercourse
p = 0.45p = 0.25p = 0.50
    01/272 (0.4)117/272 (6.3)11
    1–42/188 (1.1)2.91 (0.26 to 32.4)NA14/188 (7.5)1.21 (0.58 to 2.51)0.94 (0.42 to 2.09)
    >41/98 (1.0)2.79 (0.17 to 45.1)NA10/98 (10.2)1.70 (0.75 to 3.86)0.85 (0.33 to 2.22)