Univariate analysis of sexual behavioural risk factors with casual partners in last 6 months for pharyngeal N gonorrhoeae infection in the HIV-negative HIM cohort among men who reported casual partner(s)
| Person-years | n* | Incidence (per 100 PY) | HR | 95% CI | p Value† | |
| No of male sexual partners | p<0.001 | |||||
| 1 | 63.6 | 2 | 3.15 | 1 | – | |
| 2–5 | 944.3 | 28 | 2.97 | 0.90 | 0.22 to 3.65 | |
| 6–10 | 669.0 | 48 | 7.18 | 2.18 | 0.52 to 9.09 | |
| 11–50 | 1095.2 | 67 | 6.12 | 1.88 | 0.45 to 7.80 | |
| >50 | 318.8 | 27 | 8.52 | 2.68 | 0.63 to 11.47 | |
| Dry kissing‡ | p=0.044 | |||||
| Never | 478.3 | 19 | 3.97 | 1 | – | |
| Occasionally | 1336.7 | 68 | 5.09 | 1.26 | 0.74 to 2.14 | |
| Often | 1468.8 | 94 | 6.40 | 1.61 | 0.95 to 2.73 | |
| Wet kissing‡ | p=0.008 | |||||
| Never | 286.2 | 6 | 2.10 | 1 | – | |
| Occasionally | 1166.1 | 62 | 5.32 | 2.55 | 1.10 to 5.91 | |
| Often | 1833.3 | 113 | 6.16 | 2.98 | 1.32 to 6.75 | |
| Receptive penile-oral sex without ejaculation§ | p=0.005 | |||||
| Never | 169.3 | 2 | 1.18 | 1 | – | |
| Occasionally | 965.2 | 47 | 4.87 | 4.26 | 1.03 to 17.61 | |
| Often | 2151.1 | 132 | 6.14 | 5.40 | 1.33 to 21.87 | |
| Receptive penile-oral sex with ejaculation§ | p=0.060 | |||||
| Never | 2452.6 | 121 | 4.93 | 1 | – | |
| Occasionally | 704.4 | 52 | 7.38 | 1.50 | 1.07 to 2.10 | |
| Often | 127.7 | 7 | 5.48 | 1.13 | 0.48 to 2.63 | |
| Insertive oro-anal sex¶ | p=0.004 | |||||
| Never | 1490.7 | 66 | 4.43 | 1 | – | |
| Occasionally | 1327.1 | 76 | 5.73 | 1.30 | 0.91 to 1.85 | |
| Often | 467.8 | 39 | 8.34 | 1.87 | 1.24 to 2.83 |
Data are adjusted for repeated measures in same individuals. Other sexual practices in those reporting casual partners including number of female sexual partners, number of regular male partners, being paid for sex and paying for sex were not related to increased risk of pharyngeal N gonorrhoeae.
↵* n does not always equal 193 because of missing data.
↵† p for trend.
↵‡ Wet (dry) kissing refers to partners (not) inserting their tongue(s) into each other's mouth during kissing.
↵§ Receptive penile-oral sex refers to a study participant taking a partner's penis into his mouth; with or without ejaculation refers to whether ejaculation occurred in the study participant's mouth.
↵¶ Insertive oro-anal sex (‘rimming’) refers to a study participant applying his tongue onto, or inserting his tongue into, a partner's anus.