| Multivariate analysis | |||||||||
| OR | 95% CI | Adjusted OR | 95% CI | ||||||
| Male* | |||||||||
| Coinfection with gonorrhoea | 5.6 | 2.0 to 15.8 | 7.2 | 2.5 to 20.4 | |||||
| NGU diagnosis | 6.9 | 3.1 to 15.6 | 7.6 | 3.4 to 17.2 | |||||
| Female† | |||||||||
| Age (increase in one year) | 0.91 | 0.87 to 0.95 | 0.92 | 0.87 to 0.96 | |||||
| Indigenous ethnicity‡ | 5.1 | 2.9 to 9.1 | 4.3 | 2.7 to 8.1 | |||||
| Other ethnicity‡ | 3.0 | 1.6 to 5.5 | 2.8 | 1.5 to 5.3 | |||||
| Chlamydia coinfection | 7.0 | 3.8 to 12.9 | 5.1 | 2.6 to 10.2 | |||||
| Gonorrhoea coinfection | 5.8 | 2.0 to 16.6 | 3.5 | 1.0 to 11.8 |
Missing data: ethnicity (female=52, male=78), symptomatic (female=37, male=60), HIV status (female=85, male=107), pregnant=58, sexual partners=68.
*Symptoms and Chlamydia trachomatis coinfection were not retained in the final model due to lack of significance.
†Testing location, pregnancy and MPC diagnosis were not retained in the final model due to lack of significance.
‡Referent group is Caucasian ethnicity.
MPC, mucopurulent cervicitis; NGU, non-gonococcal urethritis.