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P5.34 High prevalence of sexually transmitted infections among women screened for contraceptive intravaginal ring study, kisumu kenya, 2014
  1. VO Otieno,
  2. GO Otieno,
  3. EM Makanga,
  4. VO Akelo,
  5. BA Nyagol
  1. Kenya Medical Research Institute-Kisumu, Kenya


Introduction World Health Organisation global estimates for sexually transmitted infections (STI) stand at 448 million new cases per year with the greatest burden occurring in sub-Saharan Africa. We assessed prevalence and correlates of herpes simplex virus type 2 (HSV-2), bacterial vaginosis (BV), gonorrhoea, syphilis, chlamydia and HIV infection among Kenyan women 18–34 years of age screened for a contraceptive vaginal ring study

Methods Women provided socio-demographic, medical information, and underwent real-time rapid HIV testing, STI testing using vaginal swabs and pelvic examinations. Log-binomial regression model was used to compute adjusted prevalence ratios (PR).

Results Out of 463 women screened, 457 were included in the analysis. Median age was 25 IQR (21-28) and 67% had completed primary education. Overall, 71.3% tested positive for any STI, including HIV. Prevalence of HSV-2, BV, and HIV were 54.9%, 30.0% and 14.5% respectively; 18.1% were co-infected with all STIs. STI prevalence increased with age and peaked among those 30–34 years (PR=1.26; 95% CI, 1.06, 1.48). Early age at first sex (<14 years) was associated with a 27% increase in STI prevalence compared to those who initiated sexual activity at ages 17–19 (PR=1.27; 95% CI, 1.07, 1.51). History of transactional sex, and sexual intercourse in the last 7 days were associated with a prevalent STI (PR=2.05; 95% CI, 1.07, 3.92) and (PR=1.17; 95% CI, 1.01, 1.36), respectively. Women reporting one lifetime sexual partner were 30% less likely to test positive for any STI compared to women with 4 or more lifetime sexual partners (PR=0.70; 95% CI, 0.54, 0.92).

Conclusion Multiple prevention strategies, including dual protection from pregnancy and STIs, are needed in this setting.

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