Table 5.
Association between other sexually transmitted infections and HIV infection among female sex workers, Kampala, Uganda, 2008–09
| STIa | n | HIV+ | Weighted % | Adjusted PR (95% CI)b |
|---|---|---|---|---|
| Syphilis | ||||
| Positive | 193 | 81 | 38.9 | 1.22 (0.98–1.52) |
| Negative | 745 | 239 | 31.2 | 1.00 (Referent) |
| Chlamydia trachomatis vaginal | ||||
| Positive | 39 | 8 | 16.9 | 0.90 (0.54–1.51) |
| Negative | 683 | 239 | 33.9 | 1.00 (Referent) |
| Chlamydia trachomatis rectal | ||||
| Positive | 22 | 4 | 13.2 | 0.80 (0.30–2.10) |
| Negative | 706 | 246 | 33.8 | 1.00 (Referent) |
| Neisseria gonorrhoeae vaginal | ||||
| Positive | 55 | 29 | 49.2 | 1.64 (1.27–2.10) |
| Negative | 667 | 218 | 31.8 | 1.00 (Referent) |
| Neisseria gonorrhoeae rectal | ||||
| Positive | 27 | 16 | 58.9 | 1.96 (1.44–2.66) |
| Negative | 701 | 234 | 32.4 | 1.00 (Referent) |
| Trichomonas vaginalis | ||||
| Positive | 73 | 26 | 32.5 | 1.00 (0.70–1.42) |
| Negative | 773 | 263 | 33.3 | 1.00 (Referent) |
| Bacterial vaginosis | ||||
| Positive | 318 | 128 | 39.9 | 1.19 (0.98–1.46) |
| Negative | 526 | 160 | 29.0 | 1.00 (Referent) |
| Any STI | ||||
| Positive | 511 | 197 | 37.2 | 1.28 (1.05–1.56) |
| Negative | 431 | 126 | 27.9 | 1.00 (Referent) |
NOTE: STI, sexually transmitted infection; PR, prevalence ratio
aFor each STI, the total sample size differs from 942 due to missing information
bAdjusted for age, schooling, occupation other than sex work, number of pregnancies in life, ever aborted, genital ulcer/sore in last 12 months, anal warts in last 12 months, and ever had an HIV test