| dc.description.abstract | Objectives and methods: This paper investigates risk factors associated with
prevalence of sexually transmitted infections. Logistics regression is employed to
determine the risk factors. Furthermore, the study validates the syndromic diagnosis
of STI using etiological diagnosis as the gold standard. Sensitivity, specificity
and positive predictive values is used in this in this validation process.
Results: 9.81% of HIV-infected participant had an etiologic diagnosis with majority
being trichomoniasis (8.04% overall prevalence). There was much lower
prevalence of gonorrhea (1.33%), chlamydia (0.36%), and syphilis (0.48%). 69%
of the participants had positive serology tests for HSV-2. Among women who
participated in the study, 18.6% were diagnosed with bacterial vaginosis.
Sensitivity, specificity and PPV of genital ulcer were 0.00%. Sensitivity of urethral
discharge for predicting Gonorrhea or chlamydia low (20%), specificity was
high at (95%) while PPV was 4%. Sensitivity, specificity and PPV of virginal
discharge for predicting Gonorrhea, chlamydia or trichomoniasis in females are
36%, 76%, and 18% respectively.
The odds of having STI for male was 0.33 (95% CI : 0.20- 0.53) compared to
women. The odds of having STI for the participants aged 45 years and above was
found to be 0.33 (95% CI : 0.15 - 0 .71) as compared to those of age between 18
to 24 years old. In addition, those with vocational training/secondary education
and post secondary education and above had odds ratio of 0.56 (95% CI : 0.39-
0.82) and 0.05 (95% CI : 0.01-0.38). Those with more than one sexual partner was
significantly associated with having STI, odds ration of 3.45 (95% CI: 1.43-8.30).
Conclusion: Prevalence of any STI was relatively low compared to results from
other studies. Trichomoniasis was overwhelmingly the most common genital nonviral
infection, while HSV-2 had the highest overall prevalence. Being a femaleyounger age, less education, and more recent sexual partners were all associated
with an increased risk of STI. Syndromic diagnosis of DD, VD and CD were
insensitive, while their specificity were relatively good. | en |
